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
-
PROX Piston Kit 01.5600.000
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5601.000
PROX
$105.95ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition, High-quality cast piston made with dedicated tooling and molding, Made from hypereutectic alloy for extra strength and reduced expansion,...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
$105.95 -
PROX Piston Kit 01.5699.000
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5699.050
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5699.100
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5700.000
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5703.000
PROX
$105.95ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition, High-quality cast piston made with dedicated tooling and molding, Made from hypereutectic alloy for extra strength and reduced expansion,...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
$105.95Qty in Cart: 0Quantity:Price:$105.95Subtotal: -
PROX Piston Kit 01.5799.000
PROX
$105.95Manufactured 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,...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
$105.95Qty in Cart: 0Quantity:Price:$105.95Subtotal: -
PROX Piston Kit 01.5799.100
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5800.000
PROX
$119.95Manufactured 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,...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
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
PROX Piston Kit 01.5801.000
PROX
$119.95Manufactured 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,...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
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
PROX Piston Kit 01.5802.000
PROX
$119.95ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition, High-quality cast piston made with dedicated tooling and molding, Made from hypereutectic alloy for extra strength and reduced expansion,...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
$119.95 -
PROX Piston Kit 01.5807.000
PROX
$119.95ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition, High-quality cast piston made with dedicated tooling and molding, Made from hypereutectic alloy for extra strength and reduced expansion,...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
$119.95 -
PROX Piston Kit 01.5808.000
PROX
$119.95Manufactured 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,...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
$119.95 -
PROX Piston Kit 01.5903.000
PROX
$119.95ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition, High-quality cast piston made with dedicated tooling and molding, Made from hypereutectic alloy for extra strength and reduced expansion,...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
$119.95 -
PROX Piston Kit 01.5906.000
PROX
$119.95Manufactured 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,...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
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
PROX Piston Kit 01.2697.000
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5586.000
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5586.050
PROX
$105.95Manufactured 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,...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
$105.95 -
PROX Piston Kit 01.5593.000
PROX
$105.95ProX pistons provide a reliable and cost-effective way to maintain the engine of your sled in excellent condition, High-quality cast piston made with dedicated tooling and molding, Made from hypereutectic alloy for extra strength and reduced expansion,...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
$105.95Qty in Cart: 0Quantity:Price:$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.