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ATHENA

ATHENA

ATHENA

Athena Gaskets, Piston Kits, and Engine Parts at JJ Motorsports

Athena has been a pioneering force in the world of engine and performance parts since it started serving products in the early 1970s. Known for its commitment to quality and innovation, Athena has established itself as a leader in the industry, providing a wide array of components for various motor vehicles. Over the years, they have built a reputation not only for their engineering excellence but also for their dedication to meeting the evolving needs of their customers in the powersports sector.

At JJ Motorsports, we offer a comprehensive selection of Athena products, including engine parts, gaskets, and kits tailored for 4-stroke off-road motorcycles. Popular items include the ATHENA Water Pump Gasket Kit for Yamaha P400485475014, which includes water pump gasket, clutch cover gasket, oil seals, washers, and bearings as needed, and the ATHENA Piston Kit with Gaskets - 76.75 mm for CRF250R P5F0768245001A made from high-performance aluminum alloy for enhanced durability. Other favorites are the ATHENA Complete Gasket Kit for Honda P400210900323 featuring rubber-coated spring steel construction, the ATHENA Top End Gasket Kit for Honda P400210600323 designed for pro and amateur riders, and the ATHENA Water Pump Gasket Kit for Kawasaki P400250475017 with application-specific components.

Athena's products provide significant benefits such as improved engine efficiency, longevity, and reliability under demanding conditions. Key features include high-performance materials like aluminum alloy with high silicon content for superior resistance, rubber-coated spring steel for high tensile strength, and precise fitment compatible with models from Yamaha, Honda, Kawasaki, and more, making them ideal for off-road and racing applications.

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  • Quantity
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  • On Sale
    ATHENA Piston Kit with Gaskets - 66.34 mm - KTM P4C0664083001A

    ATHENA Piston Kit with Gaskets - 66.34 mm - KTM P4C0664083001A

    ATHENA

    MSRP: $178.95
    Now: $161.00
    Was: $178.95
    For 2-stroke off-road engines, piston reliability directly impacts your power delivery and engine longevity. The ATHENA Piston Kit delivers OE-equivalent durability with enhanced performance...
    09031778
    SKU:
    09031778
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    MSRP: $178.95
    Now: $161.00
    Was: $178.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $178.95
    Now: $161.00
    Was: $178.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 66.34 mm - KTM P4C0664045001A

    ATHENA Piston Kit with Gaskets - 66.34 mm - KTM P4C0664045001A

    ATHENA

    MSRP: $178.95
    Now: $161.00
    Was: $178.95
    When you're pushing a 2-stroke off-road engine to its limits, piston failure isn't an option. The ATHENA Piston Kit delivers OEM-level reliability with enhanced durability through precision CNC...
    09031780
    SKU:
    09031780
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    MSRP: $178.95
    Now: $161.00
    Was: $178.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $178.95
    Now: $161.00
    Was: $178.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 66.34 mm - Yamaha P4F0664267019A ATHENA Piston Kit with Gaskets - 66.34 mm - Yamaha P4F0664267019A

    ATHENA Piston Kit with Gaskets - 66.34 mm - Yamaha P4F0664267019A

    ATHENA

    MSRP: $209.95
    Now: $189.00
    Was: $209.95
    A quality piston kit is fundamental to maintaining peak performance and reliability in high-demand 2-stroke engines. The ATHENA Piston Kit delivers OE-equivalent durability while leveraging advanced...
    09031784
    SKU:
    09031784
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    MSRP: $209.95
    Now: $189.00
    Was: $209.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $209.95
    Now: $189.00
    Was: $209.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 66.35 mm - Yamaha P4F0664267019B

    ATHENA Piston Kit with Gaskets - 66.35 mm - Yamaha P4F0664267019B

    ATHENA

    MSRP: $209.95
    Now: $189.00
    Was: $209.95
    When your 2-stroke off-road engine demands reliability under extreme conditions, OE pistons often fall short on durability and performance. The ATHENA Piston Kit delivers the same factory-level...
    09031785
    SKU:
    09031785
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    MSRP: $209.95
    Now: $189.00
    Was: $209.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $209.95
    Now: $189.00
    Was: $209.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 53.95 mm - Yamaha P4C0540118014A

    ATHENA Piston Kit with Gaskets - 53.95 mm - Yamaha P4C0540118014A

    ATHENA

    MSRP: $145.95
    Now: $131.00
    Was: $145.95
    Maintaining proper piston and gasket sealing is critical to preserving compression, fuel efficiency, and power output in 2-stroke off-road engines. This ATHENA kit delivers OE-equivalent reliability...
    09031786
    SKU:
    09031786
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MSRP: $145.95
    Now: $131.00
    Was: $145.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $145.95
    Now: $131.00
    Was: $145.95
    Subtotal:
  • On Sale
    ATHENA Lithium Ion Battery - 175 A GK-ATHBL-0005

    ATHENA Lithium Ion Battery - 175 A GK-ATHBL-0005

    ATHENA

    MSRP: $179.95
    Now: $142.00
    Was: $179.95
    Traditional lead-acid batteries impose weight penalties and reliability limits on high-performance builds. The ATHENA Lithium Ion Battery delivers 175A of instantaneous cranking power while cutting...
    21130931
    SKU:
    21130931
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    MSRP: $179.95
    Now: $142.00
    Was: $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $179.95
    Now: $142.00
    Was: $179.95
    Subtotal:
  • On Sale
    ATHENA Lithium Ion Battery - 140 A GK-ATHBL-0006

    ATHENA Lithium Ion Battery - 140 A GK-ATHBL-0006

    ATHENA

    MSRP: $179.95
    Now: $142.00
    Was: $179.95
    Weight and space are critical in racing—every pound matters, and every cubic inch counts. The ATHENA Lithium Ion Battery delivers full 140 A cranking power in a significantly smaller and lighter...
    21130932
    SKU:
    21130932
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    MSRP: $179.95
    Now: $142.00
    Was: $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $179.95
    Now: $142.00
    Was: $179.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.97 mm - KX450F P5F0960072007A

    ATHENA Piston Kit with Gaskets - 95.97 mm - KX450F P5F0960072007A

    ATHENA

    MSRP: $263.07
    Now: $237.00
    Was: $263.07
    Stock pistons wear, lose compression, and rob you of the responsiveness your KX450F demands on technical terrain. This ATHENA piston kit restores full performance potential while engineering in...
    09031750
    SKU:
    09031750
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    95.97 MM
    DISPLACEMENT:
    450 CC
    TYPE:
    TOP END
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    MODEL:
    A
    PRODUCT NAME:
    PISTON KIT
    MSRP: $263.07
    Now: $237.00
    Was: $263.07
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $263.07
    Now: $237.00
    Was: $263.07
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.95 mm - CRF450R P5F0960322006A

    ATHENA Piston Kit with Gaskets - 95.95 mm - CRF450R P5F0960322006A

    ATHENA

    MSRP: $259.07
    Now: $233.00
    Was: $259.07
    A worn or stock piston limits your CRF450R's combustion efficiency and reliability—especially under sustained high-RPM riding or aggressive trail conditions. The ATHENA Piston Kit delivers...
    09031744
    SKU:
    09031744
    Availability:
    Ships Same Business Day
    Weight:
    1.53 LBS
    BORE SIZE METRIC:
    95.95 MM
    DISPLACEMENT:
    450 CC
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    MODEL:
    A
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    MSRP: $259.07
    Now: $233.00
    Was: $259.07
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $259.07
    Now: $233.00
    Was: $259.07
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.96 mm - CRF450R P5F0960322006B

    ATHENA Piston Kit with Gaskets - 95.96 mm - CRF450R P5F0960322006B

    ATHENA

    MSRP: $259.07
    Now: $233.00
    Was: $259.07
    A worn or damaged piston directly compromises your CRF450R's compression, power delivery, and engine longevity. The ATHENA Piston Kit delivers OE-equivalent reliability with superior wear resistance...
    09031745
    SKU:
    09031745
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    BORE SIZE METRIC:
    95.96 MM
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    MODEL:
    B
    PRODUCT NAME:
    PISTON KIT
    DISPLACEMENT:
    450 CC
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    MSRP: $259.07
    Now: $233.00
    Was: $259.07
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $259.07
    Now: $233.00
    Was: $259.07
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.95 mm - CRF450R P5F0960320006A

    ATHENA Piston Kit with Gaskets - 95.95 mm - CRF450R P5F0960320006A

    ATHENA

    MSRP: $261.07
    Now: $235.00
    Was: $261.07
    When your CRF450R's piston shows wear, combustion efficiency drops and power delivery suffers—this ATHENA piston kit restores that performance with precision-engineered components built to OEM...
    09031746
    SKU:
    09031746
    Availability:
    Ships Same Business Day
    Weight:
    1.53 LBS
    BORE SIZE METRIC:
    95.95 MM
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    MODEL:
    A
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    DISPLACEMENT:
    450 CC
    TYPE:
    TOP END
    MSRP: $261.07
    Now: $235.00
    Was: $261.07
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $261.07
    Now: $235.00
    Was: $261.07
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.96 mm - CRF450R P5F0960320006B

    ATHENA Piston Kit with Gaskets - 95.96 mm - CRF450R P5F0960320006B

    ATHENA

    MSRP: $261.07
    Now: $235.00
    Was: $261.07
    A worn or damaged piston directly compromises combustion efficiency, power output, and engine longevity—especially in high-demand off-road riding. The ATHENA 95.96 mm Piston Kit restores your CRF450R...
    09031747
    SKU:
    09031747
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    PISTON MATERIAL:
    FORGED
    BORE SIZE METRIC:
    95.96 MM
    DISPLACEMENT:
    450 CC
    MODEL:
    B
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    MSRP: $261.07
    Now: $235.00
    Was: $261.07
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $261.07
    Now: $235.00
    Was: $261.07
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.97 mm - KX450F P5F0960068007A

    ATHENA Piston Kit with Gaskets - 95.97 mm - KX450F P5F0960068007A

    ATHENA

    MSRP: $265.02
    Now: $239.00
    Was: $265.02
    When you're pushing a KX450F to its limits, a worn or stock piston becomes your bottleneck—restricting flow, sapping power, and threatening reliability under sustained load. The ATHENA Piston Kit...
    09031752
    SKU:
    09031752
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    ENGINE TYPE:
    4-STROKE
    MODEL:
    A
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    DISPLACEMENT:
    450 CC
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    95.97 MM
    TYPE:
    TOP END
    MSRP: $265.02
    Now: $239.00
    Was: $265.02
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $265.02
    Now: $239.00
    Was: $265.02
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.98 mm - KX450F P5F0960068007B

    ATHENA Piston Kit with Gaskets - 95.98 mm - KX450F P5F0960068007B

    ATHENA

    MSRP: $265.02
    Now: $239.00
    Was: $265.02
    A worn or damaged piston directly kills your engine's compression, throttle response, and overall reliability—especially critical in high-demand 4-stroke off-road applications. The ATHENA Piston Kit...
    09031753
    SKU:
    09031753
    Availability:
    Ships Same Business Day
    Weight:
    1.51 LBS
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    DISPLACEMENT:
    450 CC
    TYPE:
    TOP END
    MODEL:
    B
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    95.98 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    MSRP: $265.02
    Now: $239.00
    Was: $265.02
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $265.02
    Now: $239.00
    Was: $265.02
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.95 mm - KX450F P5F0960066002A

    ATHENA Piston Kit with Gaskets - 95.95 mm - KX450F P5F0960066002A

    ATHENA

    MSRP: $273.07
    Now: $246.00
    Was: $273.07
    When your KX450F is pushing peak RPMs on the track or trail, a worn piston compromises compression, power delivery, and engine longevity. The ATHENA Piston Kit delivers OE-equivalent reliability with...
    09031754
    SKU:
    09031754
    Availability:
    Ships Same Business Day
    Weight:
    1.60 LBS
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    MODEL:
    A
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE SIZE METRIC:
    95.95 MM
    PRODUCT NAME:
    PISTON KIT
    DISPLACEMENT:
    450 CC
    TYPE:
    TOP END
    MSRP: $273.07
    Now: $246.00
    Was: $273.07
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $273.07
    Now: $246.00
    Was: $273.07
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 94.95 mm - SXF450 P5F0950081002A

    ATHENA Piston Kit with Gaskets - 94.95 mm - SXF450 P5F0950081002A

    ATHENA

    MSRP: $279.95
    Now: $252.00
    Was: $279.95
    When you're pushing your SXF450 to its limits, your piston needs to deliver reliability under extreme heat and pressure. The ATHENA Piston Kit combines OE-equivalent durability with enhanced material...
    09031756
    SKU:
    09031756
    Availability:
    Ships Same Business Day
    Weight:
    1.54 LBS
    BORE SIZE METRIC:
    94.95 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    MODEL:
    A
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    12.8:1
    PISTON MATERIAL:
    FORGED
    DISPLACEMENT:
    449 CC
    RIDING STYLE:
    OFF-ROAD
    MSRP: $279.95
    Now: $252.00
    Was: $279.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $279.95
    Now: $252.00
    Was: $279.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 94.96 mm - SXF450 P5F0950081001B

    ATHENA Piston Kit with Gaskets - 94.96 mm - SXF450 P5F0950081001B

    ATHENA

    MSRP: $279.95
    Now: $252.00
    Was: $279.95
    If you're rebuilding a top-end on your 4-stroke off-road machine, piston selection directly impacts reliability under load and throttle response across the RPM band. The ATHENA Piston Kit delivers...
    09031759
    SKU:
    09031759
    Availability:
    Ships Same Business Day
    Weight:
    1.54 LBS
    BORE SIZE METRIC:
    94.96 MM
    DISPLACEMENT:
    450 CC
    MODEL:
    B
    PRODUCT NAME:
    PISTON KIT
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    12.6:1
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    TYPE:
    TOP END
    MSRP: $279.95
    Now: $252.00
    Was: $279.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $279.95
    Now: $252.00
    Was: $279.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 87.96 mm - SXF350 P5F0880090001B

    ATHENA Piston Kit with Gaskets - 87.96 mm - SXF350 P5F0880090001B

    ATHENA

    MSRP: $257.02
    Now: $231.00
    Was: $257.02
    If you're running a KTM SXF350 at the edge of its limits, piston wear directly impacts combustion efficiency, power delivery, and engine longevity. The ATHENA Piston Kit delivers OE-equivalent...
    09031761
    SKU:
    09031761
    Availability:
    Ships Same Business Day
    Weight:
    1.38 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    87.96 MM
    COMPRESSION RATIO IMPERIAL:
    14.2:1
    DISPLACEMENT:
    349 CC
    TYPE:
    TOP END
    MODEL:
    B
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $257.02
    Now: $231.00
    Was: $257.02
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $257.02
    Now: $231.00
    Was: $257.02
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 87.96 mm - SXF350 P5F0880079001B

    ATHENA Piston Kit with Gaskets - 87.96 mm - SXF350 P5F0880079001B

    ATHENA

    MSRP: $311.02
    Now: $280.00
    Was: $311.02
    A worn or damaged piston directly compromises combustion efficiency, throttle response, and engine longevity—particularly critical in 4-stroke off-road applications where reliability matters. The...
    09031763
    SKU:
    09031763
    Availability:
    Ships Same Business Day
    Weight:
    1.39 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    14.2:1
    DISPLACEMENT:
    349 CC
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE SIZE METRIC:
    87.96 MM
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    MODEL:
    B
    MSRP: $311.02
    Now: $280.00
    Was: $311.02
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $311.02
    Now: $280.00
    Was: $311.02
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 95.96 mm - RMZ450 P5F0960061004B

    ATHENA Piston Kit with Gaskets - 95.96 mm - RMZ450 P5F0960061004B

    ATHENA

    MSRP: $283.95
    Now: $256.00
    Was: $283.95
    Whether you're rebuilding after a season of hard racing or upgrading to restore lost compression, the ATHENA Piston Kit delivers the reliability you need without compromise. This Japanese-engineered...
    09031765
    SKU:
    09031765
    Availability:
    Ships Same Business Day
    Weight:
    1.50 LBS
    BORE SIZE METRIC:
    95.96 MM
    DISPLACEMENT:
    450 CC
    MODEL:
    B
    PRODUCT NAME:
    PISTON KIT
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    TOP END
    MSRP: $283.95
    Now: $256.00
    Was: $283.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $283.95
    Now: $256.00
    Was: $283.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970213005A

    ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970213005A

    ATHENA

    MSRP: $249.95
    Now: $225.00
    Was: $249.95
    OEM reliability meets measurable performance gains. The ATHENA Piston Kit delivers the durability you need for sustained high-RPM operation while reducing friction losses that cost you power. If...
    09031766
    SKU:
    09031766
    Availability:
    Ships Same Business Day
    Weight:
    1.54 LBS
    BORE SIZE METRIC:
    96.95 MM
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    13.7:1
    TYPE:
    TOP END
    ENGINE TYPE:
    4-STROKE
    MODEL:
    A
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    DISPLACEMENT:
    449 CC
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    MSRP: $249.95
    Now: $225.00
    Was: $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $249.95
    Now: $225.00
    Was: $249.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 96.96 mm - YZ450F P5F0970213005B

    ATHENA Piston Kit with Gaskets - 96.96 mm - YZ450F P5F0970213005B

    ATHENA

    MSRP: $249.95
    Now: $225.00
    Was: $249.95
    Factory pistons wear out—especially under aggressive riding conditions—and a worn piston compromises compression, power delivery, and fuel efficiency. The ATHENA Piston Kit gives your YZ450F a...
    09031767
    SKU:
    09031767
    Availability:
    Ships Same Business Day
    Weight:
    1.51 LBS
    COMPRESSION RATIO IMPERIAL:
    13.7:1
    MODEL:
    B
    DISPLACEMENT:
    449 CC
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    BORE SIZE METRIC:
    96.96 MM
    PRODUCT NAME:
    PISTON KIT
    TYPE:
    TOP END
    MSRP: $249.95
    Now: $225.00
    Was: $249.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $249.95
    Now: $225.00
    Was: $249.95
    Subtotal:
  • On Sale
    ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970197004A

    ATHENA Piston Kit with Gaskets - 96.95 mm - YZ450F P5F0970197004A

    ATHENA

    MSRP: $242.15
    Now: $218.00
    Was: $242.15
    When your YZ450F's piston is nearing the end of its service life, installing OEM-equivalent replacement parts is critical to maintaining reliability and power delivery. This ATHENA piston kit...
    09031768
    SKU:
    09031768
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    TYPE:
    TOP END
    BORE SIZE METRIC:
    96.95 MM
    ENGINE TYPE:
    4-STROKE
    MODEL:
    A
    PRODUCT NAME:
    PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    12.8:1
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON MATERIAL:
    FORGED
    DISPLACEMENT:
    450 CC
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $242.15
    Now: $218.00
    Was: $242.15
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $242.15
    Now: $218.00
    Was: $242.15
    Subtotal:
  • On Sale
    ATHENA Cylinder Kit - YZ125 - 54mm P400485100003

    ATHENA Cylinder Kit - YZ125 - 54mm P400485100003

    ATHENA

    MSRP: $1,110.95
    Now: $1,000.00
    Was: $1,110.95
    If you're pushing your YZ125 to its limits, a worn or damaged cylinder is the silent killer of your power band. The ATHENA Cylinder Kit delivers a complete, bolt-on refresh that restores—or...
    4.00485E+11
    SKU:
    4.00485E+11
    Availability:
    Ships Same Business Day
    Weight:
    88.00 LBS
    MSRP: $1,110.95
    Now: $1,000.00
    Was: $1,110.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,110.95
    Now: $1,000.00
    Was: $1,110.95
    Subtotal:
  • On Sale
    ATHENA Cylinder Kit - YZ125 - 54mm P400485100008

    ATHENA Cylinder Kit - YZ125 - 54mm P400485100008

    ATHENA

    MSRP: $971.95
    Now: $875.00
    Was: $971.95
    If you're running a YZ125 and want to unlock measurable gains in displacement and top-end power, the ATHENA Cylinder Kit delivers a straightforward bore upgrade without the hassle of machine work...
    400485100008
    SKU:
    400485100008
    Availability:
    Ships Same Business Day
    Weight:
    4.43 LBS
    MSRP: $971.95
    Now: $875.00
    Was: $971.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.95
    Now: $875.00
    Was: $971.95
    Subtotal:
  • On Sale
    ATHENA Top End Gasket Kit - Yamaha P400485600089

    ATHENA Top End Gasket Kit - Yamaha P400485600089

    ATHENA

    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    A fresh top end gasket kit is essential maintenance between races or at midseason to ensure your engine maintains peak seal integrity and compression consistency. The ATHENA P400485600089 gives you...
    400485600089
    SKU:
    400485600089
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.95
    Now: $20.00
    Was: $21.95
    Subtotal:
  • On Sale
    ATHENA Top End Gasket Kit - Kawasaki P400250600069

    ATHENA Top End Gasket Kit - Kawasaki P400250600069

    ATHENA

    MSRP: $89.95
    Now: $81.00
    Was: $89.95
    When you're preparing for race day, engine reliability can't be left to chance. The ATHENA Top End Gasket Kit is engineered for riders who demand precision between rebuilds—whether you're freshening...
    09346466
    SKU:
    09346466
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $89.95
    Now: $81.00
    Was: $89.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $89.95
    Now: $81.00
    Was: $89.95
    Subtotal:
  • On Sale
    ATHENA Complete Gasket Kit - Kawasaki P400250900069

    ATHENA Complete Gasket Kit - Kawasaki P400250900069

    ATHENA

    MSRP: $260.95
    Now: $235.00
    Was: $260.95
    A failed gasket can compromise your entire engine—leading to coolant leaks, oil seepage, and catastrophic performance loss. The ATHENA Complete Gasket Kit delivers the sealing integrity your Kawasaki...
    09346467
    SKU:
    09346467
    Availability:
    Ships Same Business Day
    Weight:
    0.56 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    MSRP: $260.95
    Now: $235.00
    Was: $260.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $260.95
    Now: $235.00
    Was: $260.95
    Subtotal:
  • On Sale
    ATHENA Race Gasket Kit - Kawasaki R2506-069

    ATHENA Race Gasket Kit - Kawasaki R2506-069

    ATHENA

    MSRP: $54.95
    Now: $49.00
    Was: $54.95
    Whether you're prepping for race day or executing a mid-season engine refresh, the ATHENA Race Gasket Kit gives you the flexibility to optimize your engine's compression ratio without a complete...
    09346469
    SKU:
    09346469
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    TYPE:
    ENGINE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $54.95
    Now: $49.00
    Was: $54.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $54.95
    Now: $49.00
    Was: $54.95
    Subtotal:
  • On Sale
    ATHENA Complete Gasket Kit - Yamaha P400485900213

    ATHENA Complete Gasket Kit - Yamaha P400485900213

    ATHENA

    MSRP: $172.95
    Now: $156.00
    Was: $172.95
    Engine gasket failure compromises compression, causes coolant and oil leaks, and can lead to catastrophic internal damage if not addressed. The ATHENA Complete Gasket Kit provides OEM-equivalent...
    09346471
    SKU:
    09346471
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    MSRP: $172.95
    Now: $156.00
    Was: $172.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $172.95
    Now: $156.00
    Was: $172.95
    Subtotal:
  • On Sale
    ATHENA Race Gasket Kit - Yamaha R4856-213

    ATHENA Race Gasket Kit - Yamaha R4856-213

    ATHENA

    MSRP: $72.95
    Now: $66.00
    Was: $72.95
    Engine gasket degradation is one of the most common reasons for compression loss and mid-season performance drops. The ATHENA Race Gasket Kit R4856-213 gives you the precision components to refresh...
    09346472
    SKU:
    09346472
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    ENGINE
    UNITS:
    KIT
    MSRP: $72.95
    Now: $66.00
    Was: $72.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $72.95
    Now: $66.00
    Was: $72.95
    Subtotal:
  • On Sale
    ATHENA Race Gasket Kit - Honda R2106-317

    ATHENA Race Gasket Kit - Honda R2106-317

    ATHENA

    MSRP: $75.55
    Now: $65.00
    Was: $75.55
    High-revving engines demand gaskets that can handle sustained combustion pressures without failure—and the ATHENA Race Gasket Kit delivers exactly that. Built with rubber-coated spring steel and...
    09345462
    SKU:
    09345462
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    MSRP: $75.55
    Now: $65.00
    Was: $75.55
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $75.55
    Now: $65.00
    Was: $75.55
    Subtotal:
  • On Sale
    ATHENA Top End Gasket Kit - Honda P400210600317

    ATHENA Top End Gasket Kit - Honda P400210600317

    ATHENA

    MSRP: $82.95
    Now: $75.00
    Was: $82.95
    A failing head gasket can compromise your entire engine's integrity, leading to coolant leaks, combustion blow-by, and catastrophic overheating. The ATHENA Top End Gasket Kit uses advanced...
    09345463
    SKU:
    09345463
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    MSRP: $82.95
    Now: $75.00
    Was: $82.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $82.95
    Now: $75.00
    Was: $82.95
    Subtotal:
  • On Sale
    ATHENA Top End Gasket Kit - Husqvarna P400270600077

    ATHENA Top End Gasket Kit - Husqvarna P400270600077

    ATHENA

    MSRP: $93.95
    Now: $85.00
    Was: $93.95
    Head gasket failure can sideline your engine and drain your wallet—the ATHENA Top End Gasket Kit is engineered to prevent catastrophic leaks and maintain compression integrity across extreme...
    09345465
    SKU:
    09345465
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    TOP END
    MSRP: $93.95
    Now: $85.00
    Was: $93.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $93.95
    Now: $85.00
    Was: $93.95
    Subtotal:
  • On Sale
    ATHENA Complete Gasket Kit - Husqvarna P400270900077

    ATHENA Complete Gasket Kit - Husqvarna P400270900077

    ATHENA

    MSRP: $231.95
    Now: $209.00
    Was: $231.95
    A complete gasket kit is your engine's first line of defense against compression loss, coolant leaks, and thermal stress. The ATHENA P400270900077 delivers OEM-equivalent sealing performance with...
    09345466
    SKU:
    09345466
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    MSRP: $231.95
    Now: $209.00
    Was: $231.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $231.95
    Now: $209.00
    Was: $231.95
    Subtotal:
  • On Sale
    ATHENA Top End Gasket Kit - Husqvarna P400270600078

    ATHENA Top End Gasket Kit - Husqvarna P400270600078

    ATHENA

    MSRP: $97.95
    Now: $88.00
    Was: $97.95
    A quality top-end gasket kit is essential for maintaining cylinder head integrity and preventing coolant or oil leakage under high-temperature operating conditions. The ATHENA P400270600078 combines...
    09345471
    SKU:
    09345471
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    STREET
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MSRP: $97.95
    Now: $88.00
    Was: $97.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $97.95
    Now: $88.00
    Was: $97.95
    Subtotal:
  • On Sale
    ATHENA Complete Gasket Kit - Husqvarna P400270900078

    ATHENA Complete Gasket Kit - Husqvarna P400270900078

    ATHENA

    MSRP: $182.95
    Now: $165.00
    Was: $182.95
    Gasket failure is one of the most common culprits behind coolant leaks, compression loss, and catastrophic engine damage—especially under high heat and boost conditions. The ATHENA Complete Gasket...
    09345472
    SKU:
    09345472
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    COMPLETE
    UNITS:
    KIT
    MSRP: $182.95
    Now: $165.00
    Was: $182.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $182.95
    Now: $165.00
    Was: $182.95
    Subtotal:
  • On Sale
    ATHENA Race Gasket Kit - Husqvarna R2706-079

    ATHENA Race Gasket Kit - Husqvarna R2706-079

    ATHENA

    MSRP: $57.95
    Now: $52.00
    Was: $57.95
    Factory gasket seals degrade under sustained high-temperature racing conditions, leading to compression loss and potential engine damage. The ATHENA Race Gasket Kit delivers the thermal stability and...
    09345474
    SKU:
    09345474
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    MSRP: $57.95
    Now: $52.00
    Was: $57.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $57.95
    Now: $52.00
    Was: $57.95
    Subtotal:
  • On Sale
    ATHENA Top End Gasket Kit - Husqvarna P400270600079

    ATHENA Top End Gasket Kit - Husqvarna P400270600079

    ATHENA

    MSRP: $129.95
    Now: $117.00
    Was: $129.95
    Head gasket failure can strand you trackside or leave your engine compromised. The ATHENA Top End Gasket Kit delivers dependable sealing across extreme temperature swings, ensuring your Husqvarna...
    09345475
    SKU:
    09345475
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    PRODUCT NAME:
    GASKET KIT
    MSRP: $129.95
    Now: $117.00
    Was: $129.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $129.95
    Now: $117.00
    Was: $129.95
    Subtotal:
  • On Sale
    ATHENA Race Gasket Kit - Husqvarna R2706-081

    ATHENA Race Gasket Kit - Husqvarna R2706-081

    ATHENA

    MSRP: $67.95
    Now: $61.00
    Was: $67.95
    Head gasket failure can end your race day before it starts—and the ATHENA Race Gasket Kit R2706-081 is engineered to prevent that. Built with rubber-coated spring steel construction and...
    09345478
    SKU:
    09345478
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    ENGINE TYPE:
    4-STROKE
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    RIDING STYLE:
    OFF-ROAD
    MSRP: $67.95
    Now: $61.00
    Was: $67.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $67.95
    Now: $61.00
    Was: $67.95
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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