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
-
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-716
PARTS UNLIMITED
$45.85A worn or damaged piston directly compromises combustion efficiency, power output, and engine longevity. The PARTS UNLIMITED Piston Assembly for Polaris delivers OEM-matched performance with superior heat dissipation engineering, ensuring your engine...09716- SKU:
- 09716
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE SIZE METRIC:
- 65.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- DISPLACEMENT:
- 600 CC
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 60.00 MM
- UNITS:
- EACH
$45.85Qty in Cart: 0Quantity:Price:$45.85Subtotal: -
PARTS UNLIMITED Piston Assembly - Polaris - +.020 09-7162
PARTS UNLIMITED
$46.87Maintaining peak engine performance demands pistons engineered for reliability and thermal efficiency. The PARTS UNLIMITED Piston Assembly for Polaris delivers OEM-equivalent quality with optimized heat dissipation, ensuring consistent combustion chamber...097162- SKU:
- 097162
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
$46.87 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-718
PARTS UNLIMITED
$47.89A worn or damaged piston assembly directly compromises engine efficiency, power output, and reliability. This PARTS UNLIMITED piston assembly delivers OEM-equivalent performance with optimized thermal design, ensuring consistent combustion temperatures...09718- SKU:
- 09718
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 65.00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 700 CC
$47.89 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-720
PARTS UNLIMITED
$50.95A worn or damaged piston directly compromises combustion efficiency, power output, and engine longevity. The PARTS UNLIMITED Piston Assembly for Polaris delivers OEM-equivalent performance with optimized thermal properties, ensuring reliable heat...09720- SKU:
- 09720
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 70.50 MM
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 500 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
$50.95 -
PARTS UNLIMITED Piston Assembly - Polaris - +.020 09-720-2
PARTS UNLIMITED
$46.87When your Polaris engine demands precision and reliability, OEM-equivalent pistons are non-negotiable. The PARTS UNLIMITED Piston Assembly delivers cast construction engineered for optimal thermal transfer from the combustion chamber to cylinder...097202- SKU:
- 097202
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 70.50 MM
- DISPLACEMENT:
- 500 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,020'
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- RIDING STYLE:
- SNOW
$46.87 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-728
PARTS UNLIMITED
$52.99A piston assembly is the critical link between combustion and mechanical energy—when it fails or wears, you lose compression, power, and reliability. PARTS UNLIMITED's Polaris piston assembly delivers OEM-matched performance with superior heat transfer...09728- SKU:
- 09728
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
- BORE SIZE METRIC:
- 77.25 MM
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 600 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- RIDING STYLE:
- SNOW
$52.99 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 09-730
PARTS UNLIMITED
$62.17A piston assembly failure cascades through your entire engine—loss of compression, catastrophic ring blow-by, and potential cylinder wall damage. The PARTS UNLIMITED Piston Assembly for Polaris delivers OE-matched geometry and durability without the OEM...09730- SKU:
- 09730
- Availability:
- Ships Same Business Day
- Weight:
- 1.34 LBS
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 800 CC
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 70.00 MM
- UNITS:
- EACH
$62.17Qty in Cart: 0Quantity:Price:$62.17Subtotal: -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-765
PARTS UNLIMITED
$36.67A piston assembly failure means downtime and lost performance. The PARTS UNLIMITED Piston Assembly for Rotax engines delivers OEM-equivalent precision with optimized heat transfer characteristics, keeping combustion temperatures in check and extending...09765- SKU:
- 09765
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 340 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 61.00 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 59.50 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
$36.67 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-773
PARTS UNLIMITED
$66.25A piston assembly is the heart of engine performance—it's where combustion energy converts to power. This PARTS UNLIMITED Rotax piston assembly delivers OEM-matched quality with superior heat dissipation, ensuring consistent performance and longevity...09773- SKU:
- 09773
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE SIZE METRIC:
- 78.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- DISPLACEMENT:
- 670 CC
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- STROKE LENGTH METRIC:
- 70.00 MM
$66.25Qty in Cart: 0Quantity:Price:$66.25Subtotal: -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-774X
PARTS UNLIMITED
$47.89When your Rotax engine demands reliable combustion and consistent power delivery, OEM-equivalent pistons become non-negotiable. The PARTS UNLIMITED Piston Assembly delivers the thermal efficiency and dimensional precision your engine needs to perform...09774X- SKU:
- 09774X
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- BORE SIZE METRIC:
- 64.50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 61.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 600 CC
$47.89 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-780
PARTS UNLIMITED
$48.91A piston assembly is the heart of your engine's combustion process—it needs to handle extreme heat and pressure while maintaining precision tolerances. The PARTS UNLIMITED Piston Assembly for Rotax engines is engineered to match OEM specifications,...09780- SKU:
- 09780
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 500 CC
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 69.50 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 68.00 MM
$48.91 -
PARTS UNLIMITED Piston Assembly - Rotax - +.020 09-7802
PARTS UNLIMITED
$43.81If you're rebuilding a Rotax engine or replacing a worn piston, this PARTS UNLIMITED assembly delivers OEM-matched performance without compromise. The cast construction provides superior heat dissipation from the combustion chamber to cylinder walls,...097802- SKU:
- 097802
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
$43.81 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard 09-781
PARTS UNLIMITED
$46.87A worn or damaged piston assembly directly impacts combustion efficiency, engine response, and overall reliability—especially in high-demand racing applications. The PARTS UNLIMITED Piston Assembly for Rotax engines delivers OEM-matched geometry and...09781- SKU:
- 09781
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- STROKE LENGTH METRIC:
- 61.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 700 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- BORE SIZE METRIC:
- 69.80 MM
- RIDING STYLE:
- SNOW
$46.87 -
PARTS UNLIMITED Piston Assembly - Yamaha - +.020 09-817-02
PARTS UNLIMITED
$41.77When your Yamaha engine demands precision and reliability, this piston assembly delivers the performance characteristics of OEM engineering with optimized thermal properties. Cast to exacting tolerances, these pistons excel at dissipating combustion heat...0981702- SKU:
- 0981702
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +0,020'
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE SIZE METRIC:
- 73.00 MM
- DISPLACEMENT:
- 569 CC
- PRODUCT NAME:
- PISTON KIT
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
$41.77 -
PARTS UNLIMITED Piston Assembly - Polaris - Standard 8053
PARTS UNLIMITED
$52.99A worn or damaged piston directly compromises combustion efficiency and engine reliability—replacements are non-negotiable for any rebuild or performance refresh. PARTS UNLIMITED's cast piston assembly is engineered to match OEM specifications while...8053- SKU:
- 8053
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BORE SIZE METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 500 CC
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- RIDING STYLE:
- SNOW
$52.99 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - Standard 8040
PARTS UNLIMITED
MSRP: $44.95Now: $29.00Was: $44.95When combustion chamber temperatures spike, your piston assembly must dissipate heat efficiently—or face premature wear, loss of compression, and catastrophic engine failure. The PARTS UNLIMITED Piston Assembly for John Deere 8040 engines delivers...8040- SKU:
- 8040
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 438 CC
- STROKE LENGTH METRIC:
- 64.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
MSRP: $44.95Now: $29.00Was: $44.95 -
PARTS UNLIMITED Piston Assembly - Rotax - Standard PU0910-0288
PARTS UNLIMITED
$65.23Maintaining optimal combustion chamber temperatures is critical to engine longevity and performance, and this piston assembly delivers the thermal management your Rotax engine demands. Engineered to match OEM specifications while maximizing heat...09100288- SKU:
- 09100288
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 700 CC
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 73.00 MM
$65.23 -
On Sale
PARTS UNLIMITED Piston Assembly - Arctic Cat - Standard 3005724
PARTS UNLIMITED
MSRP: $59.11Now: $38.00Was: $59.11A properly functioning piston assembly is critical to engine reliability and performance—worn or damaged pistons lead to compression loss, increased blow-by, and eventual catastrophic engine failure. The PARTS UNLIMITED Piston Assembly for Arctic Cat...09100552- SKU:
- 09100552
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 66.35 MM
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- EACH
- DISPLACEMENT:
- 438 CC
- STROKE LENGTH METRIC:
- 63.00 MM
MSRP: $59.11Now: $38.00Was: $59.11 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - Standard 8039
PARTS UNLIMITED
MSRP: $34.95Now: $22.00Was: $34.95A worn or damaged piston assembly directly compromises combustion efficiency, power output, and engine longevity. PARTS UNLIMITED's Standard 8039 piston assembly for John Deere equipment delivers OEM-equivalent performance with precision-cast...8039- SKU:
- 8039
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- DISPLACEMENT:
- 338 CC
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 58.00 MM
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE:
- STANDARD
MSRP: $34.95Now: $22.00Was: $34.95 -
On Sale
PARTS UNLIMITED Piston Assembly - John Deere - +.010 8039-1
PARTS UNLIMITED
MSRP: $34.95Now: $22.00Was: $34.95When your John Deere engine demands reliability and restored performance, OEM-matched pistons are non-negotiable. The PARTS UNLIMITED Piston Assembly delivers precision-cast construction engineered for optimal heat dissipation—critical for maintaining...80391- SKU:
- 80391
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- +0,010'
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE METRIC:
- 58.00 MM
- DISPLACEMENT:
- 338 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 64.00 MM
MSRP: $34.95Now: $22.00Was: $34.95
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.
