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
PROX Piston Kit 01.5600.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95A piston kit is the beating heart of your engine's combustion chamber—when wear, damage, or performance upgrades demand replacement, settling for anything less than OEM-equivalent quality compromises reliability and power delivery. The PROX Piston Kit 01...09103295- SKU:
- 09103295
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5601.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95Snowmobile engines demand pistons that can handle extreme temperatures and repeated thermal cycling without sacrificing reliability. The PROX Piston Kit 01.5601.000 uses hypereutectic cast construction with a specialized dual-ring design to deliver the...09103296- SKU:
- 09103296
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- UNITS:
- KIT
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5699.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95A piston kit is one of the most critical components in your engine's combustion chamber, directly affecting power delivery, fuel efficiency, and engine longevity. The PROX Piston Kit 01.5699.000 delivers OEM-equivalent performance with precision...09103298- SKU:
- 09103298
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 76.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- TYPE:
- SINGLE RING
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5699.050
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine's pistons wear down, performance suffers—compression drops, blow-by increases, and you lose power across the entire RPM range. The PROX Piston Kit 01.5699.050 restores your engine to OEM specifications with precision-manufactured...09103299- SKU:
- 09103299
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- TYPE:
- SINGLE RING
- BORE SIZE METRIC:
- 76.50 MM
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5699.100
PROX
MSRP: $105.95Now: $90.00Was: $105.95A piston kit lives at the heart of your engine's power delivery, and worn or damaged pistons directly compromise compression, efficiency, and reliability. The PROX Piston Kit 01.5699.100 delivers OEM-grade replacement performance without compromise,...09103300- SKU:
- 09103300
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 77.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- SINGLE RING
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5700.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine demands reliability under extreme conditions, stock pistons simply won't cut it. The PROX Piston Kit 01.5700.000 delivers OEM-quality replacement performance with precision engineering that handles both stock and modified builds. This...09103301- SKU:
- 09103301
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- BORE SIZE METRIC:
- 78.00 MM
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5703.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95A worn or damaged piston directly compromises engine efficiency, compression, and reliability—especially in high-demand sled applications where thermal stress is relentless. The PROX Piston Kit 01.5703.000 restores your engine to factory performance...09103302- SKU:
- 09103302
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- BORE SIZE METRIC:
- 79.70 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal: -
On Sale
PROX Piston Kit 01.5799.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine is pushing limits, your pistons need to match that intensity. The PROX Piston Kit 01.5799.000 delivers OEM-equivalent performance with the precision manufacturing and material quality that separates reliable power from catastrophic...09103303- SKU:
- 09103303
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 81.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5799.100
PROX
MSRP: $105.95Now: $90.00Was: $105.95A worn or damaged piston compromises combustion efficiency, reduces power output, and risks catastrophic engine failure. The PROX Piston Kit 01.5799.100 restores OEM-level performance with precision-engineered components manufactured to exacting...09103305- SKU:
- 09103305
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE SIZE METRIC:
- 82.00 MM
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5800.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your engine demands reliability at high RPM, factory pistons won't cut it—especially if you're running modified boost levels or extended service intervals. The PROX Piston Kit 01.5800.000 delivers OEM-spec performance with the precision engineering...09103306- SKU:
- 09103306
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 82.00 MM
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5801.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95Factory pistons wear out—whether from high mileage, aggressive tuning, or track duty. The PROX Piston Kit 01.5801.000 delivers OEM-equivalent performance with precision manufacturing that restores cylinder-to-piston clearances to specification. This...09103307- SKU:
- 09103307
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
On Sale
PROX Piston Kit 01.5802.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your sled's engine takes a beating, weak pistons accelerate wear and compromise performance—ProX pistons are engineered to deliver the durability and reliability you need to keep your engine running strong season after season. Built from...09103308- SKU:
- 09103308
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- RIDING STYLE:
- SNOW
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 81.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5807.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95A worn or damaged piston directly compromises engine compression, power delivery, and overall reliability—especially critical in high-demand sled applications where thermal stress is constant. The PROX Piston Kit 01.5807.000 uses hypereutectic alloy...09103309- SKU:
- 09103309
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
On Sale
PROX Piston Kit 01.5808.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your engine demands reliable, factory-spec performance, compromised pistons aren't an option. The PROX Piston Kit 01.5808.000 delivers the precision engineering and material integrity of OEM components, engineered to restore power delivery and...09103310- SKU:
- 09103310
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- BORE SIZE METRIC:
- 82.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5903.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your sled's engine reaches operating temperature, piston reliability becomes non-negotiable. The PROX Piston Kit 01.5903.000 combines hypereutectic cast construction with precision ring geometry to deliver consistent performance across extended...09103312- SKU:
- 09103312
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95 -
On Sale
PROX Piston Kit 01.5906.000
PROX
MSRP: $119.95Now: $102.00Was: $119.95When your engine's pistons wear beyond safe operating limits, performance degradation and catastrophic failure follow. The PROX Piston Kit 01.5906.000 delivers OEM-equivalent reliability with precision engineering, restoring your engine to factory...09103313- SKU:
- 09103313
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- BORE SIZE METRIC:
- 83.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
MSRP: $119.95Now: $102.00Was: $119.95Qty in Cart: 0Quantity:Price:MSRP: $119.95Now: $102.00Was: $119.95Subtotal: -
On Sale
PROX Piston Kit 01.2697.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95When your engine's pistons wear beyond safe operating limits, performance and reliability suffer immediately. The PROX Piston Kit 01.2697.000 restores your engine to OEM specifications with precision-engineered components manufactured to exacting...09103321- SKU:
- 09103321
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE SIZE METRIC:
- 74.80 MM
- PISTON DIAMETER METRIC:
- 74.80 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5586.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95Worn or damaged pistons compromise engine efficiency, heat dissipation, and overall reliability—especially under sustained high-RPM conditions. The PROX Piston Kit 01.5586.000 restores OEM performance with precision-engineered components manufactured to...09103323- SKU:
- 09103323
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 72.00 MM
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5586.050
PROX
MSRP: $105.95Now: $90.00Was: $105.95A worn or damaged piston directly undermines engine reliability and power delivery—this OEM-quality replacement kit restores your engine to factory specifications without compromise. PROX engineered this kit with high-silicon-content aluminum and...09103324- SKU:
- 09103324
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE SIZE METRIC:
- 72.50 MM
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 72.50 MM
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $105.95Now: $90.00Was: $105.95 -
On Sale
PROX Piston Kit 01.5593.000
PROX
MSRP: $105.95Now: $90.00Was: $105.95Maintaining peak engine performance in your sled requires reliable, precision-engineered components that won't compromise durability or cost-effectiveness. The PROX Piston Kit 01.5593.000 delivers OEM-quality construction using hypereutectic alloy and...09103326- SKU:
- 09103326
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PISTON MATERIAL:
- HYPEREUTECTIC ALLOY
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 75.40 MM
- RIDING STYLE:
- SNOW
- UNITS:
- KIT
MSRP: $105.95Now: $90.00Was: $105.95Qty in Cart: 0Quantity:Price:MSRP: $105.95Now: $90.00Was: $105.95Subtotal:
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)
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
