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Snowmobile Piston and Ring Kits

Snowmobile Piston and Ring Kits

Snowmobile Piston and Ring Kits

Snowmobile Piston and Ring Kits at JJ Motorsports

Rebuild or upgrade your snowmobile's engine with premium piston and ring kits from JJ Motorsports. Our selection includes forged and cast pistons designed for superior strength, reduced thermal expansion, and optimal heat transfer in extreme cold conditions. Compatible with Yamaha, Polaris, Arctic Cat, Ski-Doo, and more, these kits feature high-silicone aluminum alloys, ArmorGlide® skirt coatings, and complete components like rings, wrist pins, circlips, and gaskets to enhance durability, efficiency, and power output for 2-stroke engines. Ideal for trail sleds, mountain climbers, or utility models, they ensure precise fitment, quick break-in, and long-lasting performance for DIY mechanics or professional shops.

Shop trusted brands like Parts Unlimited for cast assemblies and Wiseco for forged kits. Explore related categories such as snowmobile engine gaskets & kits for sealing solutions or snowmobile valves & parts for complete overhauls.

Top Snowmobile Piston and Ring Kits Products

  • PARTS UNLIMITED Piston Assembly - Yamaha - +.020 09-8272 – High-performance cast piston with super-high silicone content for strength, MOS2-coated skirts for wear resistance, includes rings, wrist pins, and circlips for Yamaha models.
  • WISECO Piston Kit - Polaris SK1396 – Forged from high-silicone 4988 aluminum alloy for exceptional strength, includes rings, wrist pins, circlips, and top-end gasket with ArmorGlide® coating for Polaris 794cc 2-stroke engines.
  • WISECO Piston Kit - Arctic Cat SK1397 – Precision-forged 4032 aluminum piston kit with ArmorGlide® skirt coating, includes rings, pins, circlips, and gasket for Arctic Cat M8000 794cc 2-stroke models 2014-2017.

Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    Wiseco Piston Ski-Doo Formula MX 1994 2312M06975

    Wiseco Piston Ski-Doo Formula MX 1994 2312M06975

    WISECO

    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    OEM pistons wear out—especially on vintage Ski-Doo sleds that see serious trail time. The Wiseco 2312M06975 is a direct replacement engineered to restore your Formula MX's combustion efficiency and power output without compromising reliability. Built to...
    09103983
    SKU:
    09103983
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    BORE - OVERSIZE METRIC:
    +0.25 MM
    DISPLACEMENT:
    466 CC
    BORE - OVERSIZE:
    +0,25 MM
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    61.00 MM
    BORE SIZE METRIC:
    69.50 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit 69.25mm 1993-1995 Polaris 440 SKS 2318M06925

    Wiseco Piston Kit 69.25mm 1993-1995 Polaris 440 SKS 2318M06925

    WISECO

    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    If you're running a 1993-1995 Polaris 440 SKS, piston wear directly impacts combustion efficiency and power delivery—and a worn or damaged piston will cost you performance and reliability. The Wiseco 2318M06925 is precision-engineered to restore lost...
    09103987
    SKU:
    09103987
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    67.75 MM
    DISPLACEMENT:
    435 CC
    DISPLACEMENT:
    452 CC
    STROKE LENGTH METRIC:
    60.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Arctic Cat Wildcat 650 1988-1990 2323M07800

    Wiseco Piston Kit Arctic Cat Wildcat 650 1988-1990 2323M07800

    WISECO

    MSRP: $129.95
    Now: $110.00
    Was: $129.95
    When you're rebuilding or refreshing your Arctic Cat Wildcat 650's top end, piston quality directly impacts power delivery, longevity, and reliability under load. Wiseco pistons are precision-forged to exacting tolerances, ensuring consistent compression...
    09103988
    SKU:
    09103988
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    68.00 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    BORE SIZE METRIC:
    78.00 MM
    DISPLACEMENT:
    650 CC
    PISTON MATERIAL:
    ALUMINUM
    MSRP: $129.95
    Now: $110.00
    Was: $129.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $129.95
    Now: $110.00
    Was: $129.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit for 2006 Polaris 700 Classic 2448M07750

    Wiseco Piston Kit for 2006 Polaris 700 Classic 2448M07750

    WISECO

    MSRP: $164.95
    Now: $140.00
    Was: $164.95
    When your Polaris 700 Classic's original piston wears out, you need a direct replacement that restores—or exceeds—factory performance without guesswork. The Wiseco 2448M07750 piston kit delivers the durability and precision tolerances that high-mileage...
    09104029
    SKU:
    09104029
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    MODEL:
    FORGED SERIES
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    755 CC
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE SIZE METRIC:
    77.50 MM
    PISTON DIAMETER METRIC:
    77.35 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    80.00 MM
    MSRP: $164.95
    Now: $140.00
    Was: $164.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $164.95
    Now: $140.00
    Was: $164.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Arctic Cat Crossfire 1000 EFI 2009 2450M09030

    Wiseco Piston Kit Arctic Cat Crossfire 1000 EFI 2009 2450M09030

    WISECO

    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    When your Arctic Cat Crossfire 1000 EFI demands peak performance, a quality piston kit is non-negotiable. Wiseco's high-silicon alloy construction delivers the strength and heat resistance required for sustained trail riding or competitive racing, while...
    09104030
    SKU:
    09104030
    Availability:
    Ships Same Business Day
    Weight:
    1.55 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    BORE SIZE METRIC:
    90.30 MM
    DISPLACEMENT:
    1000 CC
    PISTON DIAMETER METRIC:
    90.15 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    78.00 MM
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $149.95
    Now: $127.00
    Was: $149.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Arctic Cat M8 153 2007-2009 2451M08500

    Wiseco Piston Kit Arctic Cat M8 153 2007-2009 2451M08500

    WISECO

    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    The Wiseco Piston Kit for Arctic Cat M8 153 (2007–2009) delivers the strength and precision your sled demands, whether you're running trail miles or pushing race pace. Built from high-silicon alloy, these pistons resist the thermal and mechanical stress...
    09104031
    SKU:
    09104031
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    85.00 MM
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE METRIC:
    STANDARD
    DISPLACEMENT:
    794 CC
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    PISTON DIAMETER METRIC:
    84.87 MM
    STROKE LENGTH METRIC:
    70.00 MM
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit 78.50mm 670 H.O. 1998-1999 Ski-Doo MXZ 670 HO Summit 700 X SK1312

    Wiseco Piston Kit 78.50mm 670 H.O. 1998-1999 Ski-Doo MXZ 670 HO Summit 700 X SK1312

    WISECO

    MSRP: $409.95
    Now: $348.00
    Was: $409.95
    Factory pistons wear out—especially in high-performance applications where temperatures and combustion pressures demand more. The Wiseco SK1312 piston kit delivers OEM-quality replacements engineered specifically for your 1998-1999 Ski-Doo MXZ 670 and...
    09031230
    SKU:
    09031230
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE - OVERSIZE METRIC:
    +0.50 MM
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    78.33 MM
    RIDING STYLE:
    SNOW
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +0,50 MM
    BORE SIZE METRIC:
    78.00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    COOLING SYSTEM:
    LIQUID COOLED
    ENGINE TYPE:
    2-STROKE
    STROKE LENGTH METRIC:
    70.00 MM
    DISPLACEMENT:
    678 CC
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $409.95
    Now: $348.00
    Was: $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $409.95
    Now: $348.00
    Was: $409.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit Ski-Doo MX Z 1999 79.00mm SK1313

    Wiseco Piston Kit Ski-Doo MX Z 1999 79.00mm SK1313

    WISECO

    MSRP: $434.95
    Now: $370.00
    Was: $434.95
    If you're running a Ski-Doo MX Z and pushing your sled to its limits, worn or damaged pistons will kill your performance and reliability. This Wiseco piston kit gives you the durability and thermal stability needed to handle aggressive riding and extreme...
    09031231
    SKU:
    09031231
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    686 CC
    MODEL:
    PRO-LITE
    RIDING STYLE:
    SNOW
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    COOLING SYSTEM:
    LIQUID COOLED
    ENGINE TYPE:
    2-STROKE
    STROKE LENGTH METRIC:
    70.00 MM
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    78.00 MM
    PISTON DIAMETER METRIC:
    78.83 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $434.95
    Now: $370.00
    Was: $434.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $434.95
    Now: $370.00
    Was: $434.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit 70.50mm for Ski-Doo MXZ 500 2000-2003 SK1324

    Wiseco Piston Kit 70.50mm for Ski-Doo MXZ 500 2000-2003 SK1324

    WISECO

    MSRP: $439.95
    Now: $374.00
    Was: $439.95
    If you're pushing your Ski-Doo MXZ 500 to its limits, stock pistons won't cut it. Wiseco's forged piston kit delivers the strength and thermal stability needed to handle extreme riding conditions without sacrificing reliability. This complete top-end...
    09031232
    SKU:
    09031232
    Availability:
    Ships Same Business Day
    Weight:
    2.45 LBS
    MODEL:
    PRO-LITE
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    65.80 MM
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    69.50 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    514 CC
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    70.37 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PRODUCT NAME:
    REBUILD KIT
    MSRP: $439.95
    Now: $374.00
    Was: $439.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $439.95
    Now: $374.00
    Was: $439.95
    Subtotal:
  • On Sale
    Wiseco Piston Kit for Ski-Doo MX Z 800 Adrenaline 2007-2009 SK1347

    Wiseco Piston Kit for Ski-Doo MX Z 800 Adrenaline 2007-2009 SK1347

    WISECO

    MSRP: $459.95
    Now: $391.00
    Was: $459.95
    When you're rebuilding a 2-stroke top end, every component matters—and Wiseco pistons are the gold standard for a reason. This complete kit delivers the strength and precision necessary to handle sustained high RPM operation without sacrificing...
    09031235
    SKU:
    09031235
    Availability:
    Ships Same Business Day
    Weight:
    4.30 LBS
    BORE SIZE METRIC:
    82.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    DISPLACEMENT:
    819 CC
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    82.87 MM
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    75.70 MM
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +1,00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    SKIRT COATING:
    ARMORGLIDE®
    MSRP: $459.95
    Now: $391.00
    Was: $459.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $459.95
    Now: $391.00
    Was: $459.95
    Subtotal:
  • On Sale
    Wiseco Piston Standard Bore 73.80mm Arctic Cat F6 Firecat 2004-2008 2445M07380

    Wiseco Piston Standard Bore 73.80mm Arctic Cat F6 Firecat 2004-2008 2445M07380

    WISECO

    MSRP: $169.95
    Now: $144.00
    Was: $169.95
    When your snowmobile's original piston wears down, combustion efficiency drops and power output suffers—leaving you sluggish on the trail. This Wiseco piston restores your Firecat F6's performance with precision-engineered tolerances and forged aluminum...
    09100559
    SKU:
    09100559
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    BORE SIZE METRIC:
    73.80 MM
    DISPLACEMENT:
    599 CC
    STROKE LENGTH METRIC:
    70.00 MM
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    RIDING STYLE:
    SNOW
    MSRP: $169.95
    Now: $144.00
    Was: $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $169.95
    Now: $144.00
    Was: $169.95
    Subtotal:
  • On Sale
    Wiseco Piston Standard 66mm 1998-1999 Polaris XCR 440 2401M06600

    Wiseco Piston Standard 66mm 1998-1999 Polaris XCR 440 2401M06600

    WISECO

    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    If you're running a 1998-1999 Polaris XCR 440, the factory piston won't cut it if you're serious about reliability and power. Wiseco's piston delivers the precision fit and durability your engine demands, whether you're pushing hard on the trail or in...
    09100560
    SKU:
    09100560
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    BORE - OVERSIZE:
    STANDARD
    BORE SIZE METRIC:
    66.00 MM
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    DISPLACEMENT:
    438 CC
    MODEL:
    PRO-LITE
    STROKE LENGTH METRIC:
    64.00 MM
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $154.95
    Now: $132.00
    Was: $154.95
    Subtotal:
  • Wiseco Piston 76.50mm 550F Engine 2003-2019 2452M07650

    Wiseco Piston 76.50mm 550F Engine 2003-2019 2452M07650

    WISECO

    $169.95
    When your engine takes a beating on the trail or track, piston failure isn't an option—it's a catastrophe. The Wiseco 76.50mm piston for 550F engines delivers the durability and precision fit you need to keep power consistent across thousands of...
    09104033
    SKU:
    09104033
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    PISTON DIAMETER METRIC:
    76.36 MM
    BORE - OVERSIZE:
    +0,50 MM
    BORE SIZE METRIC:
    76.50 MM
    MODEL:
    FORGED SERIES
    SKIRT COATING:
    ARMORGLIDE®
    STROKE LENGTH METRIC:
    61.00 MM
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.50 MM
    DISPLACEMENT:
    561 CC
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    $169.95
    Qty in Cart: 0
    Quantity:
    Price:
    $169.95
    Subtotal:
  • Wiseco Piston Kit 71.00mm for Polaris 500 Classic 2003 SK1282

    Wiseco Piston Kit 71.00mm for Polaris 500 Classic 2003 SK1282

    WISECO

    $394.95
    A top-end rebuild demands precision, and the Wiseco Piston Kit SK1282 delivers exactly that. High-silicone forged construction minimizes thermal expansion while maximizing durability under sustained high-temperature operation—critical for keeping your...
    09031221
    SKU:
    09031221
    Availability:
    Ships Same Business Day
    Weight:
    2.55 LBS
    BORE - OVERSIZE:
    +0,50 MM
    ENGINE TYPE:
    2-STROKE
    SKIRT COATING:
    NON-COATED
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.50 MM
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    70.87 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    BORE SIZE METRIC:
    70.50 MM
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    507 CC
    PRODUCT NAME:
    REBUILD KIT
    $394.95
    Qty in Cart: 0
    Quantity:
    Price:
    $394.95
    Subtotal:
  • Wiseco 1999 Polaris 700 Indy XCR Piston Kit SK1288

    Wiseco 1999 Polaris 700 Indy XCR Piston Kit SK1288

    WISECO

    $549.95
    When you're pushing your 1999 Polaris 700 Indy XCR to its limits, factory pistons become the weak link. The Wiseco SK1288 Piston Kit delivers the durability and thermal stability needed to handle aggressive riding and elevated power outputs without...
    09031222
    SKU:
    09031222
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    67.60 MM
    DISPLACEMENT:
    700 CC
    PRODUCT NAME:
    REBUILD KIT
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    COOLING SYSTEM:
    LIQUID COOLED
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    67.50 MM
    RIDING STYLE:
    SNOW
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    65.00 MM
    TYPE:
    TOP END
    $549.95
    Qty in Cart: 0
    Quantity:
    Price:
    $549.95
    Subtotal:
  • Wiseco Piston Kit Ski-Doo Mach Z 1997-2001 SK1295

    Wiseco Piston Kit Ski-Doo Mach Z 1997-2001 SK1295

    WISECO

    $599.95
    If you're running a Ski-Doo Mach Z, your pistons are taking the punishment every time you hit the throttle. Wiseco's forged aluminum pistons are engineered to handle extreme heat and pressure while maintaining the tight tolerances your engine demands for...
    09031225
    SKU:
    09031225
    Availability:
    Ships Same Business Day
    Weight:
    4.00 LBS
    BORE SIZE METRIC:
    69.50 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    865 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE - OVERSIZE METRIC:
    +4.00 MM
    PISTON DIAMETER METRIC:
    74.41 MM
    SKIRT COATING:
    NON-COATED
    UNITS:
    KIT
    BORE - OVERSIZE:
    +4,00 MM
    MODEL:
    PRO-LITE
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    68.00 MM
    $599.95
    Qty in Cart: 0
    Quantity:
    Price:
    $599.95
    Subtotal:
  • Wiseco Piston Kit Ski-Doo MX-Z 670 1999 SK1311

    Wiseco Piston Kit Ski-Doo MX-Z 670 1999 SK1311

    WISECO

    $409.95
    When your stock piston is nearing its limit, a Wiseco replacement restores—and often exceeds—original performance while delivering the durability needed for sustained high-RPM operation. This complete kit eliminates guesswork by bundling everything...
    09031229
    SKU:
    09031229
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    BORE SIZE METRIC:
    78.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON DIAMETER METRIC:
    77.83 MM
    SKIRT COATING:
    NON-COATED
    DISPLACEMENT:
    669 CC
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    SNOW
    TYPE:
    TOP END
    BORE - OVERSIZE:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    70.00 MM
    UNITS:
    KIT
    $409.95
    Qty in Cart: 0
    Quantity:
    Price:
    $409.95
    Subtotal:
  • Wiseco Piston Kit Ski-Doo MX Z 800 2000-2001 SK1399

    Wiseco Piston Kit Ski-Doo MX Z 800 2000-2001 SK1399

    WISECO

    $539.95
    When your Ski-Doo MX Z 800 demands more from every ride, a quality piston kit is your foundation for reliable power delivery. Wiseco's high-silicone forged construction handles the thermal stress of aggressive riding while maintaining precise tolerances...
    09031253
    SKU:
    09031253
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    800 CC
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    ENGINE TYPE:
    2-STROKE
    MODEL:
    FORGED SERIES
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    75.70 MM
    BORE SIZE METRIC:
    82.00 MM
    PISTON DIAMETER METRIC:
    81.86 MM
    PISTON MATERIAL:
    4988 ALUMINUM ALLOY
    TYPE:
    TOP END
    UNITS:
    KIT
    $539.95
    Qty in Cart: 0
    Quantity:
    Price:
    $539.95
    Subtotal:
  • Wiseco Piston 83mm Bore 1mm Oversize Ski-Doo MX Z 800 2008-2011 2461M08300

    Wiseco Piston 83mm Bore 1mm Oversize Ski-Doo MX Z 800 2008-2011 2461M08300

    WISECO

    $189.95
    When you're pushing your Ski-Doo MX Z 800 to its limits, stock pistons become the bottleneck. The Wiseco +1.00mm piston delivers measurable displacement gains and superior heat dissipation, translating directly to improved power output and extended...
    09100569
    SKU:
    09100569
    Availability:
    Ships Same Business Day
    Weight:
    1.24 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    RIDING STYLE:
    SNOW
    DISPLACEMENT:
    819 CC
    MODEL:
    PRO-LITE
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    82.00 MM
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    PISTON MATERIAL:
    ALUMINUM ALLOY
    STROKE LENGTH METRIC:
    75.70 MM
    $189.95
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • Wiseco Piston Standard Yamaha YZF600R 1996-2007 2440M06500

    Wiseco Piston Standard Yamaha YZF600R 1996-2007 2440M06500

    WISECO

    $139.95
    The Wiseco Standard Piston delivers the reliability and precision your YZF600R demands, whether you're pushing hard on the track or maintaining peak performance during regular riding. Factory pistons wear, lose compression, and compromise throttle...
    09100570
    SKU:
    09100570
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    BORE SIZE METRIC:
    65.00 MM
    MODEL:
    PRO-LITE
    DISPLACEMENT:
    593 CC
    PISTON MATERIAL:
    ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON
    STROKE LENGTH METRIC:
    59.60 MM
    UNITS:
    EACH
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • Total: items /

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Buying Guide and FAQs

Buying Guide: Factors to Consider When Choosing Snowmobile Piston and Ring Kits

  • Compatibility: Ensure the kit matches your snowmobile's make (e.g., Arctic Cat, Polaris, Ski-Doo with Rotax, Yamaha, Kawasaki) and engine specs (primarily 2-stroke, e.g., 440cc-794cc). Use the vehicle selector for model-specific fits, including bore sizes (standard or oversize +.010/+.020/+.040) and years (e.g., Arctic Cat M8000 2014-2017) to prevent mismatches.
  • Type of Use: For high-performance or mountain riding, choose forged kits for strength and heat resistance; trail or utility sleds benefit from cast kits for reliable rebuilds and wear resistance in standard conditions.
  • Components and Upgrades: Select kits including pistons, rings (one per piston), wrist pins, circlips, and sometimes top-end gaskets. Focus on oversize options for bored engines, coatings for reduced friction, and materials for better compression and longevity.
  • Brand and Quality: Opt for Wiseco for forged aluminum kits with ArmorGlide® skirt coating and high-silicone alloys, or Parts Unlimited for cast assemblies with MOS2 coatings. Prioritize features like precise fitment, quick break-in, and superior heat transfer for durability in cold, high-RPM environments.
  • Installation and Cost: Kits are often DIY for experienced users with basic tools; professional help recommended for engine rebuilds. Prices range from $27 for basic oversize assemblies to $66 for premium kits—look for sales and free shipping over $99 for value.

Frequently Asked Questions (FAQs)

  1. What snowmobile models and engines do these kits support? Kits fit brands like Arctic Cat (e.g., M8000 794cc 2014-2017), Polaris (e.g., 794cc 2-stroke), Ski-Doo (e.g., Rotax engines), Yamaha (e.g., 250cc), and Kawasaki. Use the year/make/model filter for exact compatibility with 2-stroke engines.
  2. How do forged vs. cast pistons differ? Forged (e.g., Wiseco SK1396) offer superior strength and heat resistance for performance; cast (e.g., Parts Unlimited 09-601) provide high-silicone content for wear resistance and affordable rebuilds.
  3. What is typically included in a kit? Most include piston(s), rings, wrist pins, circlips, and sometimes gaskets (e.g., Wiseco kits); check details for single-piston replacements or full assemblies.
  4. What materials enhance durability? High-silicone aluminum alloys reduce thermal expansion; coatings like ArmorGlide® or MOS2 minimize friction, improve break-in, and extend life in extreme cold.
  5. What if a kit doesn't fit my sled? Verify bore size, engine type, and model before buying. Our returns policy allows exchanges or refunds if it doesn't match.
  6. Can I find related engine parts? Yes—explore gaskets, cylinders/heads, bearings/seals, or full rebuild kits in the snowmobile engine category to complement your piston upgrade.

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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