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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
  • Wiseco Piston Kit 61.00mm Arctic Cat Panther 370 2001-2008 2454M06100

    Wiseco Piston Kit 61.00mm Arctic Cat Panther 370 2001-2008 2454M06100

    WISECO

    $144.95
    Engineered for peak performance, the Wiseco Piston Arctic Cat 2454M06100 is crafted from high-silicon alloy, ensuring exceptional strength and reliability for both trail and racing enthusiasts. This piston is designed to enhance your engine's efficiency...
    09104040
    SKU:
    09104040
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    BORE - OVERSIZE METRIC:
    +1.00 MM
    MODEL:
    FORGED SERIES
    PISTON DIAMETER METRIC:
    60.90 MM
    RIDING STYLE:
    SNOW
    SKIRT COATING:
    NON-COATED
    STROKE LENGTH METRIC:
    65.00 MM
    DISPLACEMENT:
    379 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    PISTON KIT
    BORE - OVERSIZE:
    +1,00 MM
    BORE SIZE METRIC:
    61.00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    $144.95
    Qty in Cart: 0
    Quantity:
    Price:
    $144.95
    Subtotal:
  • Wiseco Piston 73mm Bore Yamaha SRX700 1998-2002 2455M07300

    Wiseco Piston 73mm Bore Yamaha SRX700 1998-2002 2455M07300

    WISECO

    $154.95
    Engineered for performance, the Wiseco Piston Yamaha 2455M07300 is crafted from a high-silicon alloy, ensuring exceptional strength and durability. This piston is designed for both trail and racing applications, providing reliable performance in...
    09104041
    SKU:
    09104041
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    +4,00 MM
    BORE - OVERSIZE METRIC:
    +4.00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    ARMORGLIDE®
    STROKE LENGTH METRIC:
    62.00 MM
    UNITS:
    KIT
    BORE SIZE METRIC:
    73.00 MM
    DISPLACEMENT:
    778 CC
    ENGINE TYPE:
    2-STROKE
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    PISTON KIT
    PISTON DIAMETER METRIC:
    72.90 MM
    $154.95
    Qty in Cart: 0
    Quantity:
    Price:
    $154.95
    Subtotal:
  • Wiseco Piston Kit 72.50mm for Ski-Doo Formula Plus 1987-1988 SK1212

    Wiseco Piston Kit 72.50mm for Ski-Doo Formula Plus 1987-1988 SK1212

    WISECO

    $369.95
    Experience unmatched performance with the WISECO Piston Kit designed specifically for Ski Doo models. These high-quality forged pistons are engineered for strength and durability, ensuring optimal engine performance even under extreme conditions...
    09031192
    SKU:
    09031192
    Availability:
    Ships Same Business Day
    Weight:
    2.30 LBS
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE METRIC:
    +0.50 MM
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    528 CC
    MODEL:
    PRO-LITE
    PRODUCT NAME:
    REBUILD KIT
    STROKE LENGTH METRIC:
    64.00 MM
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +0,50 MM
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE SIZE METRIC:
    72.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    72.40 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    Qty in Cart: 0
    Quantity:
    Price:
    $369.95
    Subtotal:
  • Wiseco Piston Kit 73.50mm Bore Ski-Doo Formula Plus 1986-1988 SK1214

    Wiseco Piston Kit 73.50mm Bore Ski-Doo Formula Plus 1986-1988 SK1214

    WISECO

    $414.95
    Enhance your engine's performance with the WISECO Piston Kit, specifically designed for Ski Doo models. Crafted from high-silicone forged aluminum, these pistons offer superior strength and reduced thermal expansion, ensuring optimal performance under...
    09031194
    SKU:
    09031194
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    BORE - OVERSIZE:
    +1,50 MM
    DISPLACEMENT:
    543 CC
    ENGINE TYPE:
    2-STROKE
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.50 MM
    BORE SIZE METRIC:
    72.00 MM
    MODEL:
    PRO-LITE
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PISTON DIAMETER METRIC:
    73.40 MM
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    $414.95
    Qty in Cart: 0
    Quantity:
    Price:
    $414.95
    Subtotal:
  • Wiseco Piston Kit 76.50mm for Ski-Doo Formula 583 1997-1999 SK1220

    Wiseco Piston Kit 76.50mm for Ski-Doo Formula 583 1997-1999 SK1220

    WISECO

    $379.95
    Elevate your engine's performance with the WISECO Piston Kit designed specifically for Ski Doo SK1220 models. Crafted from high-silicone forged aluminum, these pistons offer exceptional strength and minimal thermal expansion, ensuring reliability under...
    09031199
    SKU:
    09031199
    Availability:
    Ships Same Business Day
    Weight:
    2.65 LBS
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    588 CC
    ENGINE TYPE:
    2-STROKE
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    TOP END
    BORE - OVERSIZE:
    +0,50 MM
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    76.40 MM
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    $379.95
    Qty in Cart: 0
    Quantity:
    Price:
    $379.95
    Subtotal:
  • Wiseco Piston Kit 76.50mm Bore Ski-Doo 582 Engine 1989-1999 SK1220

    Wiseco Piston Kit 76.50mm Bore Ski-Doo 582 Engine 1989-1999 SK1220

    WISECO

    $414.95
    Enhance your engine's performance with the WISECO Piston Kit, designed specifically for Ski Doo models. Crafted from high-silicone forged materials, these pistons provide exceptional strength and reduced thermal expansion, ensuring reliability at high...
    09031200
    SKU:
    09031200
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    PISTON DIAMETER METRIC:
    76.90 MM
    PRODUCT NAME:
    REBUILD KIT
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    DISPLACEMENT:
    596 CC
    ENGINE TYPE:
    2-STROKE
    BORE - OVERSIZE:
    +1,00 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    SKIRT COATING:
    ARMORGLIDE®
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    MODEL:
    PRO-LITE
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    TYPE:
    TOP END
    Qty in Cart: 0
    Quantity:
    Price:
    $414.95
    Subtotal:
  • Wiseco Piston Kit for 1994-1999 Ski-Doo Formula Z 583 76.00mm SK1223

    Wiseco Piston Kit for 1994-1999 Ski-Doo Formula Z 583 76.00mm SK1223

    WISECO

    $414.95
    Experience unmatched performance with the WISECO Piston Kit, specifically designed for Ski Doo models. Crafted from high-silicone forged aluminum, these pistons deliver superior strength and reduced thermal expansion, ensuring optimal engine efficiency...
    09031202
    SKU:
    09031202
    Availability:
    Ships Same Business Day
    Weight:
    2.70 LBS
    MODEL:
    PRO-LITE
    TYPE:
    TOP END
    UNITS:
    KIT
    DISPLACEMENT:
    611 CC
    PISTON DIAMETER METRIC:
    77.90 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    BORE - OVERSIZE:
    +2,00 MM
    BORE - OVERSIZE METRIC:
    +2.00 MM
    ENGINE TYPE:
    2-STROKE
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PISTON SIZE METRIC:
    +2.00 MM
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    $414.95
    Qty in Cart: 0
    Quantity:
    Price:
    $414.95
    Subtotal:
  • Wiseco Piston Kit Ski-Doo 583 1994-1998 SK1228

    Wiseco Piston Kit Ski-Doo 583 1994-1998 SK1228

    WISECO

    $424.95
    Upgrade your engine's performance with the WISECO Piston Kit, specifically designed for Ski Doo models. Crafted from high-silicone forged aluminum, these pistons offer superior strength and reduced thermal expansion, ensuring optimal performance even in...
    09031203
    SKU:
    09031203
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    DISPLACEMENT:
    596 CC
    ENGINE TYPE:
    2-STROKE
    TYPE:
    TOP END
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.00 MM
    BORE - OVERSIZE:
    +1,00 MM
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    76.90 MM
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    64.00 MM
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    $424.95
    Qty in Cart: 0
    Quantity:
    Price:
    $424.95
    Subtotal:
  • Wiseco Piston Kit for 2025 Ski-Doo Summit X 154 850 E-TEC SHOT PowderMax Light 2.5 10.25 in. Touchscreen HAC SK1234

    Wiseco Piston Kit for 2025 Ski-Doo Summit X 154 850 E-TEC SHOT PowderMax Light 2.5 10.25 in. Touchscreen HAC SK1234

    WISECO

    $414.95
    Enhance your engine's performance with the WISECO Piston Kit designed specifically for Ski Doo SK1234 models. Crafted from high-silicone forged materials, these pistons offer superior strength and reduced thermal expansion, ensuring optimal performance...
    09031209
    SKU:
    09031209
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    BORE SIZE METRIC:
    76.00 MM
    COOLING SYSTEM:
    LIQUID COOLED
    PRODUCT NAME:
    REBUILD KIT
    SKIRT COATING:
    ARMORGLIDE®
    PISTON MATERIAL:
    4032 ALUMINUM ALLOY
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +1.50 MM
    DISPLACEMENT:
    640 CC
    ENGINE TYPE:
    2-STROKE
    BORE - OVERSIZE:
    +1,50 MM
    MODEL:
    PRO-LITE
    PISTON DIAMETER METRIC:
    77.40 MM
    RIDING STYLE:
    SNOW
    STROKE LENGTH METRIC:
    68.00 MM
    TYPE:
    TOP END
    $414.95
    Qty in Cart: 0
    Quantity:
    Price:
    $414.95
    Subtotal:
  • On Sale
    PROX Piston Kit - Arctic Cat 600 CTEC 01.5614.000

    PROX Piston Kit - Arctic Cat 600 CTEC 01.5614.000

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    PROX Piston Kit - Arctic Cat 600 CTEC
    09106063
    SKU:
    09106063
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    BORE SIZE METRIC:
    73.80 MM
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    RIDING STYLE:
    SNOW
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Subtotal:
  • On Sale
    PROX Piston Kit - SeaDoo 850 ETEC 01.5817.000

    PROX Piston Kit - SeaDoo 850 ETEC 01.5817.000

    PROX

    MSRP: $165.95
    Now: $141.00
    Was: $165.95
    PROX Piston Kit - SeaDoo 850 ETEC
    09106065
    SKU:
    09106065
    Availability:
    Ships Same Business Day
    Weight:
    1.46 LBS
    BORE SIZE METRIC:
    82.00 MM
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    MSRP: $165.95
    Now: $141.00
    Was: $165.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $165.95
    Now: $141.00
    Was: $165.95
    Subtotal:
  • On Sale
    PROX Piston Kit - Arctic Cat 800 CTEC 01.5818.000

    PROX Piston Kit - Arctic Cat 800 CTEC 01.5818.000

    PROX

    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    PROX Piston Kit - Arctic Cat 800 CTEC
    09106066
    SKU:
    09106066
    Availability:
    Ships Same Business Day
    Weight:
    1.41 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    85.00 MM
    UNITS:
    KIT
    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $119.95
    Now: $102.00
    Was: $119.95
    Subtotal:
  • On Sale
    PROX Piston Kit - Polaris 850 01.5819.000

    PROX Piston Kit - Polaris 850 01.5819.000

    PROX

    MSRP: $165.95
    Now: $141.00
    Was: $165.95
    PROX Piston Kit - Polaris 850
    09106067
    SKU:
    09106067
    Availability:
    Ships Same Business Day
    Weight:
    1.61 LBS
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    85.00 MM
    RIDING STYLE:
    SNOW
    UNITS:
    KIT
    MSRP: $165.95
    Now: $141.00
    Was: $165.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $165.95
    Now: $141.00
    Was: $165.95
    Subtotal:
  • On Sale
    PROX Piston Kit - Standard - MXZ 500 01.5595.000 PROX Piston Kit - Standard - MXZ 500 01.5595.000

    PROX Piston Kit - Standard - MXZ 500 01.5595.000

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips
    09106260
    SKU:
    09106260
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    SNOW
    BORE SIZE:
    72,00 MM
    UNITS:
    KIT
    BORE - OVERSIZE:
    STANDARD
    BORE - OVERSIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    72.00 MM
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Subtotal:
  • On Sale
    PROX Piston Kit - +.05" - MXZ 500 01.5595.050

    PROX Piston Kit - +.05" - MXZ 500 01.5595.050

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Forged from high-silicon alloy for maximum strength and dependability, Wiseco offers a complete range of popular piston models and years for both trail and racing applications, All Wiseco pistons are priced with rings and circlips
    09106261
    SKU:
    09106261
    Availability:
    Ships Same Business Day
    Weight:
    0.91 LBS
    RIDING STYLE:
    SNOW
    BORE - OVERSIZE:
    +0,50 MM
    UNITS:
    KIT
    BORE - OVERSIZE METRIC:
    +0.50 MM
    BORE SIZE:
    72,00 MM
    PRODUCT NAME:
    PISTON KIT
    BORE SIZE METRIC:
    72.00 MM
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Subtotal:
  • On Sale
    PROX Piston Kit 01.5607.000

    PROX Piston Kit 01.5607.000

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $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, Pistons supplied in a kit package that includes rings,...
    09105052
    SKU:
    09105052
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    ENGINE TYPE:
    2-STROKE
    UNITS:
    KIT
    RIDING STYLE:
    SNOW
    PRODUCT NAME:
    PISTON KIT
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Subtotal:
  • On Sale
    PROX Piston Kit 01.2798.000

    PROX Piston Kit 01.2798.000

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $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, Pistons supplied in a kit package that includes rings,...
    09103290
    SKU:
    09103290
    Availability:
    Ships Same Business Day
    Weight:
    0.82 LBS
    PISTON SIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    69.00 MM
    RIDING STYLE:
    SNOW
    PISTON DIAMETER METRIC:
    69.00 MM
    PRODUCT NAME:
    PISTON KIT
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    ALUMINUM ALLOY
    UNITS:
    EACH
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Subtotal:
  • On Sale
    PROX Piston Kit 01.5503.000

    PROX Piston Kit 01.5503.000

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $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, Pistons supplied in a kit package that includes rings,...
    09103291
    SKU:
    09103291
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    RIDING STYLE:
    SNOW
    BORE SIZE METRIC:
    76.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PISTON SIZE METRIC:
    STANDARD
    PISTON DIAMETER METRIC:
    76.00 MM
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Subtotal:
  • On Sale
    PROX Piston Kit 01.5599.000

    PROX Piston Kit 01.5599.000

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $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, Pistons supplied in a kit package that includes rings,...
    09103292
    SKU:
    09103292
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    BORE SIZE METRIC:
    73.00 MM
    ENGINE TYPE:
    2-STROKE
    PISTON DIAMETER METRIC:
    73.00 MM
    PISTON SIZE METRIC:
    STANDARD
    RIDING STYLE:
    SNOW
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Subtotal:
  • On Sale
    PROX Piston Kit 01.5599.050

    PROX Piston Kit 01.5599.050

    PROX

    MSRP: $105.95
    Now: $90.00
    Was: $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, Pistons supplied in a kit package that includes rings,...
    09103293
    SKU:
    09103293
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    RIDING STYLE:
    SNOW
    ENGINE TYPE:
    2-STROKE
    PISTON SIZE METRIC:
    STANDARD
    BORE SIZE METRIC:
    73.50 MM
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON
    UNITS:
    EACH
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $105.95
    Now: $90.00
    Was: $105.95
    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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