Select Your Ride

1
2
3

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
  • PROX Piston Kit 01.5600.000

    PROX Piston Kit 01.5600.000

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5601.000

    PROX Piston Kit 01.5601.000

    PROX

    $105.95
    ProX 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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5699.000

    PROX Piston Kit 01.5699.000

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5699.050

    PROX Piston Kit 01.5699.050

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5699.100

    PROX Piston Kit 01.5699.100

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5700.000

    PROX Piston Kit 01.5700.000

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5703.000

    PROX Piston Kit 01.5703.000

    PROX

    $105.95
    ProX 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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5799.000

    PROX Piston Kit 01.5799.000

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5799.100

    PROX Piston Kit 01.5799.100

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5800.000

    PROX Piston Kit 01.5800.000

    PROX

    $119.95
    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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Piston Kit 01.5801.000

    PROX Piston Kit 01.5801.000

    PROX

    $119.95
    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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Piston Kit 01.5802.000

    PROX Piston Kit 01.5802.000

    PROX

    $119.95
    ProX 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
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Piston Kit 01.5807.000

    PROX Piston Kit 01.5807.000

    PROX

    $119.95
    ProX 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
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Piston Kit 01.5808.000

    PROX Piston Kit 01.5808.000

    PROX

    $119.95
    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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Piston Kit 01.5903.000

    PROX Piston Kit 01.5903.000

    PROX

    $119.95
    ProX 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
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Piston Kit 01.5906.000

    PROX Piston Kit 01.5906.000

    PROX

    $119.95
    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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • PROX Piston Kit 01.2697.000

    PROX Piston Kit 01.2697.000

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5586.000

    PROX Piston Kit 01.5586.000

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5586.050

    PROX Piston Kit 01.5586.050

    PROX

    $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,...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • PROX Piston Kit 01.5593.000

    PROX Piston Kit 01.5593.000

    PROX

    $105.95
    ProX 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
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • Total: items /

Adding your products to cart

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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER