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PROX

PROX

PROX

Prox Pistons, Gaskets, and Engine Components at JJ Motorsports

Prox, established in the late 1970s, is a respected brand in the powersports industry, specializing in high-performance aftermarket parts for motorcycles, ATVs, and off-road vehicles. With a focus on quality and innovation, Prox offers OEM-style replacements that deliver exceptional reliability and performance for both recreational riders and professionals.

At JJ Motorsports, we provide a comprehensive selection of Prox products, including complete gasket kits, top-end gasket sets, piston kits, connecting rod kits, crankshaft bearing/seal kits, and more. Whether you're rebuilding an engine or upgrading for better durability, Prox delivers precise-fit solutions compatible with major brands like Honda, Kawasaki, Suzuki, and KTM. Explore our inventory to find the ideal parts for your vehicle.

Key features of Prox products include precision engineering to OEM specifications, use of high-silicon-content aluminum alloys for pistons, double-forged construction for strength, and complete kits for easy installation. Shop now and enhance your powersports performance with Prox!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • PROX Piston Kit 01.1338.C

    PROX Piston Kit 01.1338.C

    PROX

    $185.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101128
    SKU:
    09101128
    Availability:
    Ships Same Business Day
    Weight:
    0.51 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    ENGINE TYPE:
    4-STROKE
    BORE SIZE METRIC:
    77.99 MM
    RIDING STYLE:
    OFF-ROAD
    PISTON DIAMETER METRIC:
    77.99 MM
    PISTON SIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    $185.95
    Qty in Cart: 0
    Quantity:
    Price:
    $185.95
    Subtotal:
  • PROX Piston Kit 01.1339.B

    PROX Piston Kit 01.1339.B

    PROX

    $185.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101130
    SKU:
    09101130
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    77.98 MM
    PISTON SIZE METRIC:
    STANDARD SIZE B
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    77.98 MM
    PRODUCT NAME:
    PISTON KIT
    $185.95
    Qty in Cart: 0
    Quantity:
    Price:
    $185.95
    Subtotal:
  • PROX Piston Kit 01.2406.C

    PROX Piston Kit 01.2406.C

    PROX

    $179.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101133
    SKU:
    09101133
    Availability:
    Ships Same Business Day
    Weight:
    0.57 LBS
    PISTON DIAMETER METRIC:
    76.97 MM
    BORE SIZE METRIC:
    76.97 MM
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PRODUCT NAME:
    PISTON KIT
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Piston Kit 01.2427.C

    PROX Piston Kit 01.2427.C

    PROX

    $185.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101139
    SKU:
    09101139
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    PRODUCT NAME:
    PISTON KIT
    PISTON DIAMETER METRIC:
    94.97 MM
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    94.97 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD SIZE C
    UNITS:
    EACH
    $185.95
    Qty in Cart: 0
    Quantity:
    Price:
    $185.95
    Subtotal:
  • PROX Piston Kit 01.3338.A

    PROX Piston Kit 01.3338.A

    PROX

    $179.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101145
    SKU:
    09101145
    Availability:
    Ships Same Business Day
    Weight:
    0.48 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BORE SIZE METRIC:
    76.96 MM
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PISTON DIAMETER METRIC:
    76.96 MM
    PRODUCT NAME:
    PISTON KIT
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Piston Kit 01.3338.B

    PROX Piston Kit 01.3338.B

    PROX

    $179.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101146
    SKU:
    09101146
    Availability:
    Ships Same Business Day
    Weight:
    0.48 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    PISTON DIAMETER METRIC:
    76.97 MM
    PISTON SIZE METRIC:
    STANDARD SIZE B
    BORE SIZE METRIC:
    76.97 MM
    PRODUCT NAME:
    PISTON KIT
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Piston Kit 01.3410.A

    PROX Piston Kit 01.3410.A

    PROX

    $189.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101148
    SKU:
    09101148
    Availability:
    Ships Same Business Day
    Weight:
    0.83 LBS
    BORE SIZE METRIC:
    95.47 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    PISTON DIAMETER METRIC:
    95.47 MM
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PRODUCT NAME:
    PISTON KIT
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Piston Kit 01.3410.B

    PROX Piston Kit 01.3410.B

    PROX

    $189.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101149
    SKU:
    09101149
    Availability:
    Ships Same Business Day
    Weight:
    0.83 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD SIZE B
    UNITS:
    EACH
    BORE SIZE METRIC:
    95.48 MM
    RIDING STYLE:
    OFF-ROAD
    PISTON DIAMETER METRIC:
    95.48 MM
    PRODUCT NAME:
    PISTON KIT
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Piston Kit 01.3410.C

    PROX Piston Kit 01.3410.C

    PROX

    $189.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101150
    SKU:
    09101150
    Availability:
    Ships Same Business Day
    Weight:
    0.82 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    95.49 MM
    PISTON DIAMETER METRIC:
    95.49 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD SIZE C
    UNITS:
    EACH
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Piston Kit 01.4337.A

    PROX Piston Kit 01.4337.A

    PROX

    $179.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101153
    SKU:
    09101153
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    BORE SIZE METRIC:
    76.96 MM
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PISTON DIAMETER METRIC:
    76.96 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Piston Kit 01.4337.B

    PROX Piston Kit 01.4337.B

    PROX

    $179.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101154
    SKU:
    09101154
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    PISTON SIZE METRIC:
    STANDARD SIZE B
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    BORE SIZE METRIC:
    76.97 MM
    PISTON DIAMETER METRIC:
    76.97 MM
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Piston Kit 01.4337.C

    PROX Piston Kit 01.4337.C

    PROX

    $179.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101155
    SKU:
    09101155
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    PRODUCT NAME:
    PISTON KIT
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    BORE SIZE METRIC:
    76.98 MM
    PISTON DIAMETER METRIC:
    76.98 MM
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD SIZE C
    $179.95
    Qty in Cart: 0
    Quantity:
    Price:
    $179.95
    Subtotal:
  • PROX Piston Kit 01.4406.A

    PROX Piston Kit 01.4406.A

    PROX

    $189.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101156
    SKU:
    09101156
    Availability:
    Ships Same Business Day
    Weight:
    0.92 LBS
    BORE SIZE METRIC:
    95.97 MM
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    OFF-ROAD
    PISTON DIAMETER METRIC:
    95.97 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Piston Kit 01.4406.B

    PROX Piston Kit 01.4406.B

    PROX

    $189.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101157
    SKU:
    09101157
    Availability:
    Ships Same Business Day
    Weight:
    0.91 LBS
    BORE SIZE METRIC:
    95.98 MM
    PRODUCT NAME:
    PISTON KIT
    PISTON SIZE METRIC:
    STANDARD SIZE B
    PISTON DIAMETER METRIC:
    95.98 MM
    RIDING STYLE:
    OFF-ROAD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Piston Kit 01.4406.C

    PROX Piston Kit 01.4406.C

    PROX

    $189.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101158
    SKU:
    09101158
    Availability:
    Ships Same Business Day
    Weight:
    0.92 LBS
    PISTON DIAMETER METRIC:
    95.99 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE C
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    95.99 MM
    PRODUCT NAME:
    PISTON KIT
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • PROX Piston Kit 01.6105.B

    PROX Piston Kit 01.6105.B

    PROX

    $94.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101160
    SKU:
    09101160
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    PISTON DIAMETER METRIC:
    46.96 MM
    PISTON SIZE METRIC:
    STANDARD SIZE B
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    46.96 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    $94.95
    Qty in Cart: 0
    Quantity:
    Price:
    $94.95
    Subtotal:
  • PROX Piston Kit 01.6105.C

    PROX Piston Kit 01.6105.C

    PROX

    $94.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101161
    SKU:
    09101161
    Availability:
    Ships Same Business Day
    Weight:
    0.29 LBS
    BORE SIZE METRIC:
    46.97 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PISTON DIAMETER METRIC:
    46.97 MM
    PISTON SIZE METRIC:
    STANDARD SIZE C
    PRODUCT NAME:
    PISTON KIT
    $94.95
    Qty in Cart: 0
    Quantity:
    Price:
    $94.95
    Subtotal:
  • PROX Piston Kit 01.6105.D

    PROX Piston Kit 01.6105.D

    PROX

    $94.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101162
    SKU:
    09101162
    Availability:
    Ships Same Business Day
    Weight:
    0.28 LBS
    PISTON DIAMETER METRIC:
    46.98 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    46.98 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE D
    $94.95
    Qty in Cart: 0
    Quantity:
    Price:
    $94.95
    Subtotal:
  • PROX Piston Kit 01.6343.D

    PROX Piston Kit 01.6343.D

    PROX

    $139.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101166
    SKU:
    09101166
    Availability:
    Ships Same Business Day
    Weight:
    0.67 LBS
    PISTON DIAMETER METRIC:
    66.37 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.37 MM
    PISTON SIZE METRIC:
    STANDARD SIZE D
    PRODUCT NAME:
    PISTON KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Piston Kit 01.6427.A

    PROX Piston Kit 01.6427.A

    PROX

    $195.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101172
    SKU:
    09101172
    Availability:
    Ships Same Business Day
    Weight:
    0.83 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PISTON DIAMETER METRIC:
    94.94 MM
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    96.94 MM
    PRODUCT NAME:
    PISTON KIT
    $195.95
    Qty in Cart: 0
    Quantity:
    Price:
    $195.95
    Subtotal:
  • PROX Piston Kit 01.6427.C

    PROX Piston Kit 01.6427.C

    PROX

    $195.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101174
    SKU:
    09101174
    Availability:
    Ships Same Business Day
    Weight:
    0.83 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD SIZE C
    BORE SIZE METRIC:
    96.96 MM
    PISTON DIAMETER METRIC:
    94.96 MM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    PISTON KIT
    $195.95
    Qty in Cart: 0
    Quantity:
    Price:
    $195.95
    Subtotal:
  • PROX Piston Kit 01.6521.A

    PROX Piston Kit 01.6521.A

    PROX

    $214.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101182
    SKU:
    09101182
    Availability:
    Ships Same Business Day
    Weight:
    0.91 LBS
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PISTON DIAMETER METRIC:
    94.94 MM
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    94.94 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $214.95
    Qty in Cart: 0
    Quantity:
    Price:
    $214.95
    Subtotal:
  • PROX Piston Kit 01.6521.C

    PROX Piston Kit 01.6521.C

    PROX

    $214.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101184
    SKU:
    09101184
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE SIZE METRIC:
    94.96 MM
    PISTON DIAMETER METRIC:
    94.96 MM
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD SIZE C
    UNITS:
    EACH
    $214.95
    Qty in Cart: 0
    Quantity:
    Price:
    $214.95
    Subtotal:
  • PROX Piston Kit 01.1325.A

    PROX Piston Kit 01.1325.A

    PROX

    $139.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101187
    SKU:
    09101187
    Availability:
    Ships Same Business Day
    Weight:
    0.71 LBS
    PISTON DIAMETER METRIC:
    66.34 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    BORE SIZE METRIC:
    66.34 MM
    ENGINE TYPE:
    2-STROKE
    PISTON SIZE METRIC:
    STANDARD SIZE A
    RIDING STYLE:
    OFF-ROAD
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Piston Kit 01.1325.A1

    PROX Piston Kit 01.1325.A1

    PROX

    $139.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101188
    SKU:
    09101188
    Availability:
    Ships Same Business Day
    Weight:
    0.71 LBS
    BORE SIZE METRIC:
    66.35 MM
    PISTON DIAMETER METRIC:
    66.35 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    ENGINE TYPE:
    2-STROKE
    PISTON SIZE METRIC:
    STANDARD SIZE A
    RIDING STYLE:
    OFF-ROAD
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Piston Kit 01.1496.A

    PROX Piston Kit 01.1496.A

    PROX

    $195.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101191
    SKU:
    09101191
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    PISTON DIAMETER METRIC:
    95.96 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    BORE SIZE METRIC:
    95.96 MM
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PRODUCT NAME:
    PISTON KIT
    $195.95
    Qty in Cart: 0
    Quantity:
    Price:
    $195.95
    Subtotal:
  • PROX Piston Kit 01.1496.B

    PROX Piston Kit 01.1496.B

    PROX

    $195.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101192
    SKU:
    09101192
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PISTON DIAMETER METRIC:
    95.97 MM
    PISTON SIZE METRIC:
    STANDARD SIZE B
    BORE SIZE METRIC:
    95.97 MM
    PRODUCT NAME:
    PISTON KIT
    $195.95
    Qty in Cart: 0
    Quantity:
    Price:
    $195.95
    Subtotal:
  • PROX Piston Kit 01.1496.C

    PROX Piston Kit 01.1496.C

    PROX

    $195.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101193
    SKU:
    09101193
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE C
    BORE SIZE METRIC:
    95.98 MM
    PISTON DIAMETER METRIC:
    95.98 MM
    PRODUCT NAME:
    PISTON KIT
    $195.95
    Qty in Cart: 0
    Quantity:
    Price:
    $195.95
    Subtotal:
  • PROX Piston Kit 01.2436.B

    PROX Piston Kit 01.2436.B

    PROX

    $195.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101197
    SKU:
    09101197
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE SIZE METRIC:
    94.96 MM
    PISTON SIZE METRIC:
    STANDARD SIZE B
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    94.96 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $195.95
    Qty in Cart: 0
    Quantity:
    Price:
    $195.95
    Subtotal:
  • PROX Piston Kit 01.2487.000

    PROX Piston Kit 01.2487.000

    PROX

    $99.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101198
    SKU:
    09101198
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    BORE SIZE METRIC:
    83.00 MM
    PISTON DIAMETER METRIC:
    83.00 MM
    PRODUCT NAME:
    PISTON KIT
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Piston Kit 01.2487.050

    PROX Piston Kit 01.2487.050

    PROX

    $99.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101199
    SKU:
    09101199
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    BORE SIZE METRIC:
    83.50 MM
    PISTON DIAMETER METRIC:
    83.50 MM
    PRODUCT NAME:
    PISTON KIT
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    +0.50 MM
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Piston Kit 01.2706.A

    PROX Piston Kit 01.2706.A

    PROX

    $149.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101201
    SKU:
    09101201
    Availability:
    Ships Same Business Day
    Weight:
    1.19 LBS
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    101.94 MM
    RIDING STYLE:
    UTV
    ENGINE TYPE:
    4-STROKE
    RIDING STYLE:
    ATV
    PISTON DIAMETER METRIC:
    101.94 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • PROX Piston Kit 01.2706.B

    PROX Piston Kit 01.2706.B

    PROX

    $149.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101202
    SKU:
    09101202
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    UTV
    PISTON DIAMETER METRIC:
    101.95 MM
    PISTON SIZE METRIC:
    STANDARD SIZE B
    BORE SIZE METRIC:
    101.95 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • PROX Piston Kit 01.2707.A

    PROX Piston Kit 01.2707.A

    PROX

    $149.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101204
    SKU:
    09101204
    Availability:
    Ships Same Business Day
    Weight:
    1.24 LBS
    PISTON DIAMETER METRIC:
    101.94 MM
    BORE SIZE METRIC:
    101.94 MM
    RIDING STYLE:
    UTV
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PRODUCT NAME:
    HIGH COMPRESSION PISTON KIT
    $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • PROX Piston Kit 01.3420.A

    PROX Piston Kit 01.3420.A

    PROX

    $185.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101206
    SKU:
    09101206
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    BORE SIZE METRIC:
    89.96 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PISTON SIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    EACH
    PISTON DIAMETER METRIC:
    89.96 MM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    $185.95
    Qty in Cart: 0
    Quantity:
    Price:
    $185.95
    Subtotal:
  • PROX Piston Kit 01.3420.C

    PROX Piston Kit 01.3420.C

    PROX

    $185.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101208
    SKU:
    09101208
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    PISTON DIAMETER METRIC:
    89.98 MM
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    89.98 MM
    PISTON SIZE METRIC:
    STANDARD SIZE C
    RIDING STYLE:
    OFF-ROAD
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $185.95
    Qty in Cart: 0
    Quantity:
    Price:
    $185.95
    Subtotal:
  • PROX Piston Kit 01.1363.000

    PROX Piston Kit 01.1363.000

    PROX

    $99.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101365
    SKU:
    09101365
    Availability:
    Ships Same Business Day
    Weight:
    0.49 LBS
    PISTON SIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    65.50 MM
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    65.50 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Piston Kit 01.1363.050

    PROX Piston Kit 01.1363.050

    PROX

    $99.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101366
    SKU:
    09101366
    Availability:
    Ships Same Business Day
    Weight:
    0.49 LBS
    PRODUCT NAME:
    PISTON KIT
    PISTON SIZE IMPERIAL:
    +0.050'
    PISTON DIAMETER METRIC:
    66.00 MM
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    66.00 MM
    ENGINE TYPE:
    4-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Piston Kit 01.1363.100

    PROX Piston Kit 01.1363.100

    PROX

    $99.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09101367
    SKU:
    09101367
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    ENGINE TYPE:
    4-STROKE
    PISTON DIAMETER METRIC:
    66.50 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    BORE SIZE METRIC:
    66.50 MM
    PISTON SIZE IMPERIAL:
    0.100'
    PRODUCT NAME:
    PISTON KIT
    $99.95
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • PROX Piston Kit 01.2225.A

    PROX Piston Kit 01.2225.A

    PROX

    $105.95
    Manufactured in Japan and designed to be OEM replacement, Cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications, then CNC-machined to extremely close tolerances,...
    09100594
    SKU:
    09100594
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    BORE SIZE METRIC:
    53.95 MM
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    53.95 MM
    RIDING STYLE:
    OFF-ROAD
    PISTON SIZE METRIC:
    STANDARD SIZE A
    PRODUCT NAME:
    PISTON KIT
    $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    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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