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
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On Sale
Wiseco Piston Kit 0.50mm Oversize Yamaha Exciter II 1991-1993 2335M07350
WISECO
MSRP: $144.95Now: $123.00Was: $144.95When you're pushing your Yamaha Exciter II to its limits, factory pistons won't cut it. Wiseco's high-silicon alloy construction handles the thermal stress and detonation that comes with serious trail riding or racing, while the +0.50mm oversize ensures...2335M07350- SKU:
- 2335M07350
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 577 CC
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 73.40 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- BORE SIZE METRIC:
- 73.50 MM
MSRP: $144.95Now: $123.00Was: $144.95 -
On Sale
Wiseco Piston 74mm Oversize for 1988-1993 Yamaha Exciter 570 2335M07400
WISECO
MSRP: $149.95Now: $127.00Was: $149.95When your Yamaha Exciter 570 is ready for serious performance gains, a quality oversize piston is essential to maximize displacement and horsepower without compromising engine longevity. The Wiseco 74mm (+1.00mm) piston delivers the precision engineering...2335M07400- SKU:
- 2335M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 74.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 584 CC
- PISTON DIAMETER METRIC:
- 73.90 MM
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 68.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
MSRP: $149.95Now: $127.00Was: $149.95 -
On Sale
Wiseco Piston Kit for 1992-1998 Polaris 440 Indy 2343M06772
WISECO
MSRP: $143.95Now: $115.00Was: $143.95When you're pushing your Polaris 440 Indy to its limits—whether on the trail or at the track—your piston is working harder than any other engine component. Wiseco's high-silicon alloy construction delivers the strength and thermal stability needed to...2343M06772- SKU:
- 2343M06772
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 67.72 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 432 CC
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 67.57 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- NON-COATED
MSRP: $143.95Now: $115.00Was: $143.95 -
On Sale
Wiseco Piston Kit Arctic Cat Thundercat 900 1993-1997 80.50mm SK1185
WISECO
MSRP: $554.95Now: $472.00Was: $554.95When you're pushing your Thundercat 900 to its limits, stock pistons become your limiting factor. The Wiseco SK1185 piston kit delivers the strength and thermal stability your engine needs to handle sustained high-rpm performance without detonation or...09031184- SKU:
- 09031184
- Availability:
- Ships Same Business Day
- Weight:
- 4.05 LBS
- BORE - OVERSIZE METRIC:
- +4.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 64.00 MM
- DISPLACEMENT:
- 992 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 80.40 MM
- BORE - OVERSIZE:
- +4,00 MM
- BORE SIZE METRIC:
- 76.50 MM
- MODEL:
- PRO-LITE
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
MSRP: $554.95Now: $472.00Was: $554.95 -
Kimpex High-Performance PTFE Piston Kit for Arctic Cat Crossfire 8 2007-2009 000977
KIMPEX
$114.99Arctic Cat Crossfire 8 engines demand precision components that can handle sustained high RPMs and variable operating conditions. The KIMPEX High-Performance PTFE Piston Kit 000977 restores your sled's combustion efficiency and engine longevity by...09105035- SKU:
- 09105035
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 794 CC
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- PTFE
- STYLE:
- HIGH PERFORMANCE
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 70.00 MM
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
$114.99 -
On Sale
KIMPEX Piston Kit 000905
KIMPEX
MSRP: $80.99Now: $52.00Was: $80.99If you're rebuilding an engine or looking to restore original performance, a quality piston kit is foundational to reliability and longevity. KIMPEX Piston Kit 000905 delivers OEM-equivalent specifications across all internal components, ensuring your...09105031- SKU:
- 09105031
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- PTFE
- STYLE:
- HIGH PERFORMANCE
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 700 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.25 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 65.00 MM
MSRP: $80.99Now: $52.00Was: $80.99 -
Kimpex Piston Kit Ski-Doo Summit 550F 2003-2009 982187
KIMPEX
$84.99When your Ski-Doo Summit's engine starts showing signs of wear—loss of compression, increased blow-by, or sluggish throttle response—a quality piston kit is essential to restore performance and reliability. The Kimpex 982187 is engineered to OEM...09100824- SKU:
- 09100824
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- DISPLACEMENT:
- 553 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 61.00 MM
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- PTFE
- BORE - OVERSIZE:
- +0,010'
- UNITS:
- KIT
- BORE SIZE METRIC:
- 75.86 MM
- STYLE:
- HIGH PERFORMANCE
$84.99 -
Kimpex Piston Kit Arctic Cat Z 570 2002-2007 982088
KIMPEX
$95.99If you're running a 2002-2007 Arctic Cat Z 570, a worn or damaged piston kit will kill your sled's performance and reliability. The KIMPEX 982088 restores full engine efficiency with OEM-spec components engineered for proper heat transfer and durability...09100827- SKU:
- 09100827
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 565 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- PTFE
- STROKE LENGTH METRIC:
- 66.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE METRIC:
- 73.80 MM
- STYLE:
- HIGH PERFORMANCE
$95.99 -
Kimpex Piston Kit for Yamaha 696cc 982220
KIMPEX
$91.99A piston kit is the foundation of engine reliability and performance—worn or damaged pistons compromise compression, efficiency, and power delivery. The Kimpex 982220 delivers OEM-spec construction with optimized heat dissipation, giving you the...09102664- SKU:
- 09102664
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- DISPLACEMENT:
- 696 CC
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE SIZE METRIC:
- 69.00 MM
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 62.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- PTFE
- STYLE:
- HIGH PERFORMANCE
$91.99 -
Kimpex Piston Kit for 2006 Arctic Cat F7 Firecat 982095
KIMPEX
$81.99When your F7 Firecat's original pistons show wear, combustion efficiency drops and engine reliability becomes questionable. This Kimpex piston kit restores full performance and longevity by delivering OEM-spec components engineered for superior heat...K09681- SKU:
- K09681
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- DISPLACEMENT:
- 580 CC
- SKIRT COATING:
- PTFE
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 65.00 MM
- STYLE:
- HIGH PERFORMANCE
- BORE SIZE METRIC:
- 75.40 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
$81.99 -
Kimpex Piston Kit 982096 for Arctic Cat Wildcat 700 1991-1996
KIMPEX
$104.99When your Arctic Cat Wildcat 700's original pistons begin to wear, ring blow-by and loss of compression compromise both performance and fuel efficiency. The Kimpex Piston Kit 982096 restores your engine to OEM specifications with die-cast pistons...K09682- SKU:
- K09682
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE METRIC:
- 81.00 MM
- DISPLACEMENT:
- 700 CC
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 68.00 MM
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- PTFE
- STYLE:
- HIGH PERFORMANCE
$104.99 -
Kimpex Piston Kit Arctic Cat Jag 340 1987-1998 982106
KIMPEX
$69.49If your Arctic Cat Jag 340 is showing signs of wear or you're planning a full engine rebuild, a quality piston kit is essential for restoring compression, reliability, and consistent performance. The Kimpex 982106 delivers OEM-specification components...K09692- SKU:
- K09692
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 60.00 MM
- DISPLACEMENT:
- 340 CC
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- SKIRT COATING:
- PTFE
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 60.00 MM
- STYLE:
- HIGH PERFORMANCE
$69.49 -
Kimpex Piston Kit Arctic Cat Bearcat 440 1995-1998 982109
KIMPEX
$76.99When your Arctic Cat Bearcat 440 needs a piston rebuild, settling for substandard components will cost you performance and reliability down the line. The KIMPEX 982109 Piston Kit delivers OEM-specification parts engineered for your specific engine,...K09696- SKU:
- K09696
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- PTFE
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- DISPLACEMENT:
- 440 CC
- STROKE LENGTH METRIC:
- 65.00 MM
- STYLE:
- HIGH PERFORMANCE
- BORE SIZE METRIC:
- 65.00 MM
- ENGINE TYPE:
- 2-STROKE
$76.99 -
Kimpex Piston Kit for Polaris 500 1989-2006 982124
KIMPEX
$99.99Polaris 500 engine reliability hinges on internal components that can withstand sustained combustion pressures and thermal cycling. The KIMPEX Piston Kit 982124 delivers OEM-equivalent durability with precision-manufactured pistons, rings, wrist pins,...K09711- SKU:
- K09711
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 60.00 MM
- STYLE:
- HIGH PERFORMANCE
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 488 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- PTFE
- RIDING STYLE:
- SNOW
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$99.99 -
Kimpex Piston Kit for Polaris Touring 488cc 1990 982122
KIMPEX
$88.45Engine wear is inevitable, but losing performance doesn't have to be. The KIMPEX Piston Kit 982122 restores your Polaris Touring 488cc to original specifications with precision-engineered components designed for longevity and consistent heat management...K0971102- SKU:
- K0971102
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,020'
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 488 CC
- SKIRT COATING:
- PTFE
- STYLE:
- HIGH PERFORMANCE
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 60.00 MM
$88.45 -
Kimpex Piston Kit 982128 for Polaris 500 Classic 1989-1991 1994-2006 982128
KIMPEX
$75.99The Kimpex 982128 piston kit restores your Polaris 500 Classic to OEM performance standards with precision-engineered components designed for reliable operation and efficient heat dissipation. Whether you're rebuilding after wear or replacing a damaged...K09712- SKU:
- K09712
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 60.00 MM
- STYLE:
- HIGH PERFORMANCE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 488 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- PTFE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
$75.99 -
On Sale
Kimpex Piston Kit 488cc Big Bore 1997-1998 Polaris Super Sport 982125
KIMPEX
MSRP: $69.99Now: $45.00Was: $69.99When you're pushing your Super Sport to its limits, stock pistons won't cut it. The KIMPEX 488cc Big Bore Piston Kit delivers the durability and thermal efficiency your engine demands during sustained high-performance operation. This complete kit gives...K0971201- SKU:
- K0971201
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 488 CC
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- PTFE
- STYLE:
- HIGH PERFORMANCE
- BORE - OVERSIZE:
- +0,010'
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 60.00 MM
MSRP: $69.99Now: $45.00Was: $69.99 -
On Sale
Kimpex Piston Kit 488cc Big Bore 1997-1998 Polaris Super Sport 982126
KIMPEX
MSRP: $71.61Now: $46.00Was: $71.61If you're running a 1997-1998 Polaris Super Sport 982 and want to unlock the potential of a 488cc big bore setup, you need pistons engineered for the added displacement and heat demands. The KIMPEX Piston Kit 982126 delivers OEM-spec precision with...K0971202- SKU:
- K0971202
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BORE - OVERSIZE:
- +0,020'
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 488 CC
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- HIGH PERFORMANCE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- PTFE
- STROKE LENGTH METRIC:
- 60.00 MM
MSRP: $71.61Now: $46.00Was: $71.61 -
Kimpex Piston Kit 982131 for 2004-2006 Arctic Cat F7 Firecat 982131
KIMPEX
$76.99When your Arctic Cat F7 Firecat's original pistons wear down, you lose combustion efficiency, heat management, and overall engine reliability. The KIMPEX Piston Kit 982131 restores your engine to OEM performance specifications with high-quality die-cast...K09713- SKU:
- K09713
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- SKIRT COATING:
- PTFE
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STYLE:
- HIGH PERFORMANCE
- BORE SIZE METRIC:
- 67.75 MM
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
$76.99 -
Kimpex Piston Kit 62.3mm Bore 1999-2007 Polaris 340 Touring 982140
KIMPEX
$60.99If you're running a 1999-2007 Polaris 340 Touring, a worn or damaged piston directly impacts combustion efficiency, fuel economy, and engine longevity. The Kimpex Piston Kit 982140 restores OEM-spec performance with a complete assembly engineered for...K09717- SKU:
- K09717
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STYLE:
- HIGH PERFORMANCE
- DISPLACEMENT:
- 340 CC
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- PTFE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- CAST
- UNITS:
- KIT
- BORE SIZE METRIC:
- 62.30 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 55.60 MM
$60.99
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.
