ATV/UTV Piston and Ring Kits
ATV/UTV Piston & Ring Kits at JJ Motorsports
Rebuild your ATV/UTV engine with premium forged piston and ring kits from JJ Motorsports, featuring high-compression and big-bore options for massive power gains on Yamaha YFZ450, Honda TRX450R, Suzuki LTZ400, and more. These race-proven kits deliver superior durability and performance in off-road, trail, and dune conditions.
Shop Millennium, JE Pistons, and Wossner piston kits for championship-level quality. Explore related categories such as ATV/UTV engine for cylinders and gaskets, or ATV/UTV for cams and exhaust to complete your top-end rebuild and dominate the track or trail.
Top ATV/UTV Piston & Ring Kits
- Millennium Piston Kit K8897D500-2 – +5.00mm big-bore piston kit; forged for Yamaha YFZ450/R with rings, pin, and clips.
- JE Pistons Piston Kit 261546 – High-compression forged piston; includes rings and wrist pin for Honda TRX450R.
- Wossner Piston Kit 8094D050 – +0.50mm oversize piston kit; lightweight forged with moly coating for Suzuki LTZ400.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
Wossner Piston Kit Yamaha Raptor 700 2006-2014 103.94mm 8673D200
WOSSNER
MSRP: $214.00Now: $137.00Was: $214.00Experience unparalleled performance with the WOSSNER Piston Kit 8673D200, designed specifically for 2-stroke engines. Crafted from premium 4032 T6 forged aluminum alloy, this piston kit features advanced engineering techniques to enhance durability and...09105603- SKU:
- 09105603
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- PISTON SIZE METRIC:
- 103.94 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 104.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
MSRP: $214.00Now: $137.00Was: $214.00 -
Wossner Piston Kit Polaris Xplorer 500 1997-2014 8691D050
WOSSNER
$194.00Experience enhanced performance and durability with the WOSSNER Piston Kit, specifically designed for the Polaris Xplorer 500. Crafted with precision engineering and high-quality materials, this piston kit ensures optimal power delivery and reduced...09106110- SKU:
- 09106110
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 92.50 MM
- PISTON SIZE METRIC:
- 92.45 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.3:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- UTV
- PISTON MATERIAL:
- FORGED
$194.00 -
Wossner Piston Kit 75mm Polaris 300 4x4 2x4 1994-1995 8095D050
WOSSNER
$122.00Experience unparalleled performance with the WOSSNER Piston Kit 8095D050, engineered for 2-stroke engines. Crafted from high-quality 4032 T6 forged aluminum alloy, this piston kit ensures durability and efficiency, making it an ideal choice for high-load...09105516- SKU:
- 09105516
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- PISTON MATERIAL:
- FORGED
- TYPE:
- DUAL RING
- MODEL:
- STANDARD SERIES
- DISPLACEMENT:
- 283 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 75.00 MM
- PISTON SIZE METRIC:
- 74.93 MM
- UNITS:
- KIT
$122.00Qty in Cart: 0Quantity:Price:$122.00Subtotal: -
Wossner Piston Kit 75.43mm Polaris 300 1994-1995 8095D100
WOSSNER
$122.00Elevate your engine's performance with the WOSSNER Piston Kit 8095D100, expertly crafted for 2-stroke applications. This kit includes everything you need for a seamless installation, featuring a high-quality piston designed for optimal efficiency and...09105517- SKU:
- 09105517
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- PISTON MATERIAL:
- FORGED
- TYPE:
- DUAL RING
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +1,00 MM
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 75.43 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 75.50 MM
- DISPLACEMENT:
- 283 CC
- UNITS:
- KIT
$122.00 -
Wossner Piston Kit 83.43mm for Polaris 400L 1995 8097D050
WOSSNER
$142.00Experience unparalleled performance with the WOSSNER Piston Kit 8097D050, designed specifically for 2-stroke engines. Crafted from high-quality materials and engineered for precision, this piston kit enhances your engine's efficiency and durability,...09105520- SKU:
- 09105520
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- DISPLACEMENT:
- 400 CC
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON SIZE METRIC:
- 83.43 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 83.50 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
$142.00Qty in Cart: 0Quantity:Price:$142.00Subtotal: -
Wossner Piston Kit 84.00mm 1995 Polaris 400L 2x4 8097D100
WOSSNER
$142.00Experience unparalleled performance with the WOSSNER Piston Kit 8097D100, designed for 2-stroke engines. This premium piston kit combines advanced engineering with high-quality materials to ensure optimal efficiency and durability. Elevate your engine's...09105521- SKU:
- 09105521
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 84.00 MM
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
- DISPLACEMENT:
- 400 CC
- PISTON SIZE METRIC:
- 83.93 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$142.00 -
Wossner Piston Kit 83mm for Polaris 400L Xplorer 1994-2003 8097DA
WOSSNER
$142.00Experience superior performance with the WOSSNER Piston Kit 8097DA, designed specifically for 2-stroke engines. Crafted from high-quality materials and engineered with precision, this piston kit ensures reduced friction and enhanced durability,...09105524- SKU:
- 09105524
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 82.93 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 83.00 MM
- DISPLACEMENT:
- 400 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
$142.00Qty in Cart: 0Quantity:Price:$142.00Subtotal: -
Wossner Piston Kit Yamaha YFS200 Blaster 1988-2006 8101DA
WOSSNER
$112.00Experience unparalleled performance with the WOSSNER Piston Kit 8101DA, designed specifically for high-performance 2-stroke engines. Engineered with precision in Germany, this piston kit combines cutting-edge technology and high-quality materials to...09105525- SKU:
- 09105525
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON SIZE METRIC:
- 65.94 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- TYPE:
- DUAL RING
- MODEL:
- STANDARD SERIES
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
$112.00 -
Wossner Piston Kit Yamaha YFS200 Blaster 1988-2006 8101D100
WOSSNER
$112.00Experience unparalleled performance with the WOSSNER Piston Kit 8101D100, engineered for 2-stroke engines. This premium piston kit is designed to enhance engine efficiency, reduce friction, and deliver quieter operation, ensuring a smoother ride and...09105528- SKU:
- 09105528
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- DISPLACEMENT:
- 195 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +1,00 MM
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 66.94 MM
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
$112.00Qty in Cart: 0Quantity:Price:$112.00Subtotal: -
On Sale
Wossner Piston Kit 81.93mm for Polaris Sportsman 800 2005-2014 K8877D200-2
WOSSNER
MSRP: $448.00Now: $287.00Was: $448.00Experience unparalleled performance with the WOSSNER Piston Kit K8877D200-2, engineered for 2-stroke engines. This premium piston kit is designed to enhance efficiency and reduce friction, ensuring a quieter and more powerful ride. Crafted from...09105593- SKU:
- 09105593
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- PISTON SIZE METRIC:
- 81.93 MM
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 82.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- MODEL:
- STANDARD SERIES
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
MSRP: $448.00Now: $287.00Was: $448.00 -
On Sale
Wossner Piston Kit 83mm Oversize for Polaris RZR 800 2008-2014 K8877D300-2
WOSSNER
MSRP: $448.00Now: $287.00Was: $448.00Elevate your engine's performance with the WOSSNER Piston Kit K8877D300-2, designed for 2-stroke applications. Crafted with precision engineering, this piston kit ensures reduced friction and enhanced durability, delivering a quiet yet powerful ride...09105594- SKU:
- 09105594
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
- BORE SIZE METRIC:
- 83.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- +3,00 MM
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- UTV
- BORE - OVERSIZE METRIC:
- +3.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 82.93 MM
MSRP: $448.00Now: $287.00Was: $448.00Qty in Cart: 0Quantity:Price:MSRP: $448.00Now: $287.00Was: $448.00Subtotal: -
On Sale
Wossner Piston Kit 84.93mm Polaris Ranger RZR 800 2008-2013 K8877D500-2
WOSSNER
MSRP: $448.00Now: $287.00Was: $448.00Experience unparalleled performance with the WOSSNER Piston Kit K8877D500-2, designed specifically for 2-stroke engines. This premium kit combines advanced engineering with high-quality materials to ensure optimal power delivery and efficiency. Elevate...09105595- SKU:
- 09105595
- Availability:
- Ships Same Business Day
- Weight:
- 2.16 LBS
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +5,00 MM
- BORE - OVERSIZE METRIC:
- +5.00 MM
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 84.93 MM
MSRP: $448.00Now: $287.00Was: $448.00 -
Wossner Piston Kit for Polaris 900 RZR XP 2011-2014 11.0:1 CR K8897DA-2
WOSSNER
$428.00Experience unparalleled performance with the WOSSNER Piston Kit K8897DA-2, designed specifically for 2-stroke engines. Crafted from premium materials, this piston kit enhances engine efficiency while minimizing friction and noise, ensuring a smoother...09105596- SKU:
- 09105596
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- MODEL:
- PRO SERIES
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 93.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 92.95 MM
- PRODUCT NAME:
- PISTON KIT
$428.00 -
On Sale
Wossner Piston Kit for Polaris RZR XP 900 2011-2013 K8897D200-2
WOSSNER
MSRP: $448.00Now: $287.00Was: $448.00Experience unparalleled performance with the WOSSNER Piston Kit K8897D200-2, expertly engineered for 2-stroke engines. Crafted from premium materials, this piston kit ensures optimal efficiency and durability, making it the perfect choice for enthusiasts...09105597- SKU:
- 09105597
- Availability:
- Ships Same Business Day
- Weight:
- 2.51 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 95.00 MM
- PISTON SIZE METRIC:
- 94.95 MM
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- PISTON KIT
MSRP: $448.00Now: $287.00Was: $448.00Qty in Cart: 0Quantity:Price:MSRP: $448.00Now: $287.00Was: $448.00Subtotal: -
Wossner Piston Kit for Polaris RZR XP 900 2011-2014 95.95mm K8897D300-2
WOSSNER
$448.00Experience superior performance with the WOSSNER Piston Kit K8897D300-2, meticulously engineered for 2-stroke engines. Crafted from high-quality materials, this piston kit is designed to enhance efficiency and reliability, ensuring your engine operates...09105598- SKU:
- 09105598
- Availability:
- Ships Same Business Day
- Weight:
- 2.51 LBS
- BORE - OVERSIZE:
- +3,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- 95.95 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 96.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
$448.00 -
On Sale
Wossner Piston Kit 95.94mm for 2014 Polaris RZR XP 1000 EPS LE K8930D300-2
WOSSNER
MSRP: $448.00Now: $287.00Was: $448.00Experience unparalleled performance with the WOSSNER Piston Kit K8930D300-2, designed specifically for high-demand 2-stroke engines. This premium kit combines advanced engineering with high-quality materials to ensure optimal efficiency and durability,...09105601- SKU:
- 09105601
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- RIDING STYLE:
- UTV
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +3,00 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 95.94 MM
MSRP: $448.00Now: $287.00Was: $448.00 -
WSM Piston Kit - Polaris - Standard 50-300PK
WSM
$91.26Quality and construction that meets or exceeds OEM, Feature improved E-clip design, Contain piston, rings, pin and clips, Additional rings available separately, Order one per cylinder, Skirts have a nonabrasive, expansion-retarding MOS2 coating to reduce...50300- SKU:
- 50300
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- MODEL:
- ORIGINAL
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- ATV
$91.26Qty in Cart: 0Quantity:Price:$91.26Subtotal: -
WSM Piston Kit - Polaris - +.50 mm 50-300-05PK
WSM
$91.26Quality and construction that meets or exceeds OEM, Feature improved E-clip design, Contain piston, rings, pin and clips, Additional rings available separately, Order one per cylinder, Skirts have a nonabrasive, expansion-retarding MOS2 coating to reduce...5030005- SKU:
- 5030005
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 72.50 MM
- MODEL:
- ORIGINAL
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$91.26 -
WSM Piston Kit - Polaris - +1 mm 50-300-07PK
WSM
$91.26Quality and construction that meets or exceeds OEM, Feature improved E-clip design, Contain piston, rings, pin and clips, Additional rings available separately, Order one per cylinder, Skirts have a nonabrasive, expansion-retarding MOS2 coating to reduce...5030007- SKU:
- 5030007
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE SIZE METRIC:
- 73.00 MM
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
$91.26 -
WSM Piston Kit - Polaris - Standard 50-305PK
WSM
$95.36Quality and construction that meets or exceeds OEM, Feature improved E-clip design, Contain piston, rings, pin and clips, Additional rings available separately, Order one per cylinder, Skirts have a nonabrasive, expansion-retarding MOS2 coating to reduce...50305- SKU:
- 50305
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- ORIGINAL
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 83.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$95.36Qty in Cart: 0Quantity:Price:$95.36Subtotal:
