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
-
Wiseco Piston 1985 Honda FL350R Odyssey 81.00mm 533M08100
WISECO
$254.95Elevate your engine's performance with the Wiseco +1.00 mm piston, expertly crafted from high-silicon aluminum alloy for unmatched strength and reliability. Designed for both competitive racing and trail riding, this piston ensures enhanced horsepower...533M08100- SKU:
- 533M08100
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 81.00 MM
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 342 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 72,00 MM
$254.95 -
Wiseco Piston +2.00 mm Honda FL350R Odyssey 1985 533M08200
WISECO
$264.95Experience unmatched strength and reliability with the Wiseco +2.00 mm piston, engineered specifically for the Honda FL350R Odyssey. Crafted from a high-silicon aluminum alloy, this piston enhances durability and maximizes horsepower, making it the ideal...533M08200- SKU:
- 533M08200
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 82.00 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 342 CC
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- UTV
$264.95 -
Wiseco Piston Standard 70mm Suzuki LT250R QuadRacer 1985-1986 534M07000
WISECO
$204.95Elevate your racing performance with the Wiseco Piston designed specifically for the Suzuki LT-R 250 QuadRacer. Crafted from a high-silicon aluminum alloy, this piston ensures exceptional strength and reliability, making it perfect for both competitive...534M07000- SKU:
- 534M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 64,80 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 247 CC
- STROKE LENGTH METRIC:
- 64.80 MM
$204.95 -
Wiseco Piston Kit 70.50mm 1985-1986 Suzuki LT250R QuadRacer 534M07050
WISECO
$204.95Experience unparalleled performance with the WISECO Piston, engineered specifically for the Suzuki LT-R 250 QuadRacer. Crafted from high-silicon aluminum alloy, this piston guarantees exceptional strength and reliability, making it ideal for both...534M07050- SKU:
- 534M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.80 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 70.50 MM
- DISPLACEMENT:
- 247 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH:
- 64,80 MM
$204.95 -
Wiseco Piston Kit 71.00mm Oversize for 1985-1986 Suzuki LT250R QuadRacer 534M07100
WISECO
$204.95Elevate your performance with the Wiseco +1.00 mm piston, expertly crafted from high-silicon aluminum for unmatched strength and reliability. Designed for both trail and competitive racing, this piston guarantees enhanced horsepower, durability, and...534M07100- SKU:
- 534M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 71.00 MM
- DISPLACEMENT:
- 247 CC
- STROKE LENGTH METRIC:
- 64.80 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- STROKE LENGTH:
- 64,80 MM
$204.95 -
Wiseco Piston Kit 72mm for Polaris Trail Blazer 1990-2006 536M07200
WISECO
$159.95Elevate your ride with the Wiseco High-Performance Piston, engineered from premium high-silicon aluminum alloy for unmatched strength and reliability. Designed for both trail and racing applications, this piston enhances durability and delivers increased...536M07200- SKU:
- 536M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- DISPLACEMENT:
- 244 CC
- BORE SIZE METRIC:
- 72.00 MM
- STROKE LENGTH:
- 60,00 MM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 60.00 MM
- UNITS:
- EACH
$159.95 -
Wiseco Piston Kit 72.5mm for Polaris Trail Blazer 1990-2006 536M07250
WISECO
$159.95Upgrade your ride with the Wiseco .50 mm piston, engineered for peak performance and reliability. Crafted from a high-silicon aluminum alloy, this piston ensures enhanced strength and longevity, making it ideal for both trail enthusiasts and competitive...536M07250- SKU:
- 536M07250
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE SIZE METRIC:
- 72.50 MM
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 244 CC
- STROKE LENGTH METRIC:
- 60.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH:
- 60,00 MM
$159.95 -
Wiseco Piston Kit 73.00mm +1.00mm for Polaris Trail Blazer 1990-2006 536M07300
WISECO
$159.95Enhance your ride with the WISECO piston, expertly crafted from high-silicon aluminum alloy for unparalleled strength and performance. Designed for both trail and racing applications, this piston guarantees durability and increased horsepower, making it...536M07300- SKU:
- 536M07300
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 244 CC
- BORE SIZE METRIC:
- 73.00 MM
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 60,00 MM
- UNITS:
- EACH
$159.95 -
Wiseco Piston Kit Standard Bore 86mm for Suzuki LT500R QuadRacer 1987-1990 561M08600
WISECO
$199.95Elevate your racing experience with the Wiseco Piston designed specifically for the Suzuki LT-R 500 QuadRacer. Crafted from advanced high-silicon aluminum alloy, this piston ensures exceptional strength and reliability, enhancing both horsepower and...561M08600- SKU:
- 561M08600
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- STROKE LENGTH:
- 86,00 MM
- BORE SIZE METRIC:
- 86.00 MM
- DISPLACEMENT:
- 499,50 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
$199.95 -
Wiseco Piston 1987-1990 Suzuki LT500R 561M08650
WISECO
$199.95Experience unparalleled power and durability with the WISECO forged piston designed specifically for the Suzuki LT-R 500 QuadRacer. Engineered from high-silicon aluminum alloy, this piston enhances performance for both racing and trail riding, ensuring...561M08650- SKU:
- 561M08650
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 86.50 MM
- DISPLACEMENT:
- 499,50 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 86,00 MM
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
$199.95 -
Wiseco Piston Kit 87.00 mm Oversize for Suzuki LT500R QuadRacer 1987-1990 561M08700
WISECO
$199.95Elevate your racing experience with the Wiseco piston, engineered from high-silicon aluminum for unmatched strength and reliability. This piston is designed to enhance horsepower and torque, making it an essential upgrade for both competitive and...561M08700- SKU:
- 561M08700
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 87.00 MM
- DISPLACEMENT:
- 499,50 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- STROKE LENGTH:
- 86,00 MM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston 88.00 mm Suzuki LT500R QuadRacer 1987-1990 561M08800
WISECO
$209.95Elevate your racing experience with the Wiseco +2.00 mm piston, expertly crafted from high-silicon aluminum alloy for unparalleled strength and reliability. Designed for both trail and competitive applications, this piston maximizes horsepower and...561M08800- SKU:
- 561M08800
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 88.00 MM
- DISPLACEMENT:
- 499,50 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 86,00 MM
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
$209.95 -
Wiseco Piston 66mm 1987-1989 Honda TRX250R FourTrax 562M06600
WISECO
$204.95Elevate your ride with the Wiseco Piston, engineered from advanced high-silicon aluminum alloy to ensure exceptional strength and reliability. Designed for both trail and racing, this piston enhances durability and maximizes horsepower, making it an...562M06600- SKU:
- 562M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 66.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 72.00 MM
$204.95 -
Wiseco Piston Kit 66.50mm Oversize for 1986 Honda TRX250R FourTrax 562M06650
WISECO
$204.95Elevate your performance with the WISECO piston, engineered from high-silicon aluminum for unmatched durability and efficiency. This piston is designed for both trail and racing applications, ensuring you achieve maximum horsepower and torque while...562M06650- SKU:
- 562M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
$204.95 -
Wiseco Piston Kit 67.25mm Honda TRX250R 1986-1989 562M06725
WISECO
$204.95Elevate your performance with the Wiseco +1.00 mm piston, expertly forged from high-silicon aluminum alloy for unmatched strength and reliability. Designed for both competitive racing and trail riding, this piston delivers enhanced horsepower and torque,...562M06700- SKU:
- 562M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 72,00 MM
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 246 CC
$204.95 -
Wiseco Piston 68.00 mm Honda TRX250R FourTrax 1986-1989 562M06800
WISECO
$229.95Elevate your racing experience with the Wiseco +2.00 mm piston, engineered from high-silicon aluminum for exceptional strength and reliability. Designed for both trail and competitive racing, this piston maximizes horsepower and torque while ensuring...562M06800- SKU:
- 562M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 68.00 MM
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
Wiseco Piston Kit 67mm Standard Suzuki LT250R QuadRacer 1988-1992 571M06700
WISECO
$189.95Elevate your racing experience with the Wiseco Piston, expertly crafted from high-silicon aluminum alloy to ensure peak strength and reliability. Designed for both competitive racing and trail use, this piston maximizes horsepower and torque while...571M06700- SKU:
- 571M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 67.00 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 246,8 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,00 MM
$189.95 -
Wiseco Piston Kit 67.50mm 1988-1992 Suzuki LT-R 250 QuadRacer 571M06750
WISECO
$189.95Elevate your racing performance with the WISECO forged piston, designed specifically for the Suzuki LT-R 250 QuadRacer. Crafted from high-silicon aluminum alloy, this piston ensures exceptional strength and reliability, making it ideal for both...571M06750- SKU:
- 571M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE SIZE METRIC:
- 67.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- 246,8 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,00 MM
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit for 2004 Kawasaki Bayou 300 4x4 PK1053
WISECO
$254.95Upgrade your Kawasaki Bayou 300 with the WISECO Piston Kit, designed for high performance and durability. Crafted from premium forged materials, this kit ensures optimal strength and minimal thermal expansion, making it ideal for demanding conditions. ...09030326- SKU:
- 09030326
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE SIZE METRIC:
- 77.50 MM
- COMPRESSION RATIO IMPERIAL:
- 8.6:1
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 77.45 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,50 MM
- DISPLACEMENT:
- 290 CC
- TYPE:
- TOP END
$254.95 -
Wiseco Piston Kit 81.50mm 10.25:1 Compression Honda ATC350X 1985-1986 PK1016
WISECO
$239.95Experience unmatched performance with the WISECO Piston Kit designed specifically for ATC/TRX350 models. Crafted from high-silicone forged aluminum, this kit offers enhanced strength and reduced thermal expansion for superior reliability. Each complete...09030328- SKU:
- 09030328
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- BORE SIZE METRIC:
- 81.50 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 81.45 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 350.4 CC
- RIDING STYLE:
- ATV
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal:
