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
$255.95Stock pistons limit your FL350R's potential—they're designed for reliability, not performance. The Wiseco +1.00mm piston delivers measurable gains in compression ratio and power output while withstanding the thermal and mechanical stresses of aggressive...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
$255.95 -
Wiseco Piston +2.00 mm Honda FL350R Odyssey 1985 533M08200
WISECO
$264.95If you're running a Honda FL350R Odyssey and demand maximum compression and durability without compromise, the Wiseco +2.00 mm piston delivers the reliability and performance you need for both trail riding and competitive racing. Built from high-silicon...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
$204.95If you're running a Suzuki LT250R QuadRacer competitively, piston durability and consistent power delivery directly impact your race results. Wiseco's high-silicon aluminum forging delivers the strength and reliability needed for sustained racing while...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
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
Wiseco Piston Kit 70.50mm 1985-1986 Suzuki LT250R QuadRacer 534M07050
WISECO
$204.95If you're running a stock piston in your LT250R QuadRacer, you're leaving horsepower on the table and risking catastrophic failure under racing loads. The Wiseco 70.50mm piston kit delivers the strength and precision engineering required for competitive...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
$204.95If you're rebuilding a 1985-1986 Suzuki LT250R QuadRacer, the factory 250cc displacement ceiling doesn't have to limit your power output. This Wiseco +1.00mm oversize piston kit lets you reclaim lost compression and extract measurable gains in horsepower...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
$204.95Qty in Cart: 0Quantity:Price:$204.95Subtotal: -
Wiseco Piston Kit 72mm for Polaris Trail Blazer 1990-2006 536M07200
WISECO
$159.95If you're running a Polaris Trail Blazer and want to extract measurable performance gains without compromising durability, a quality piston kit is non-negotiable. Wiseco's forged construction and E-coated surfaces resist wear and heat stress far better...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
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
Wiseco Piston Kit 72.5mm for Polaris Trail Blazer 1990-2006 536M07250
WISECO
$166.95If you're running a Polaris Trail Blazer with high mileage or pushing it harder than stock tolerances allow, a quality piston kit is essential to maintain compression, power delivery, and engine reliability. The Wiseco 72.5mm piston delivers the...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
$166.95 -
Wiseco Piston Kit 73.00mm +1.00mm for Polaris Trail Blazer 1990-2006 536M07300
WISECO
$166.95If you're running a Polaris Trail Blazer and want measurable gains in horsepower and reliability, a quality piston kit is non-negotiable. The Wiseco 536M07300 combines a high-silicon aluminum forging with precision engineering to handle both aggressive...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
$166.95Qty in Cart: 0Quantity:Price:$166.95Subtotal: -
Wiseco Piston Kit Standard Bore 86mm for Suzuki LT500R QuadRacer 1987-1990 561M08600
WISECO
$199.95If you're running a Suzuki LT500R QuadRacer at the track, your pistons are the first line of defense against catastrophic failure under sustained boost and high RPM. The Wiseco 561M08600 kit delivers the strength and precision needed for reliable power...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
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston 1987-1990 Suzuki LT500R 561M08650
WISECO
$199.95If you're pushing your LT500R to its limits, the Wiseco forged piston is the upgrade that delivers measurable gains in horsepower and torque while withstanding the extreme pressures of competitive racing. Built from high-silicon aluminum and engineered...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 88.00 mm Suzuki LT500R QuadRacer 1987-1990 561M08800
WISECO
$232.95If you're running a Suzuki LT500R QuadRacer at the limit, your factory piston is holding you back. The Wiseco +2.00 mm piston delivers the compression ratio and durability required for consistent power gains in both trail riding and competitive racing...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
$232.95 -
Wiseco Piston 66mm 1987-1989 Honda TRX250R FourTrax 562M06600
WISECO
$221.95If you're running a 1987-1989 Honda TRX250R and pushing for more power and reliability, the Wiseco Piston is engineered to deliver. Built from high-silicon aluminum alloy with a forged design, this piston handles aggressive riding and racing conditions...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
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston Kit 66.50mm Oversize for 1986 Honda TRX250R FourTrax 562M06650
WISECO
$221.95If you're pushing your TRX250R to its limits, stock pistons will hold you back. The Wiseco 66.50mm oversize piston kit delivers the strength and precision needed for sustained high-RPM performance, whether you're racing or trail riding hard. This is a...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
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston Kit 67.25mm Honda TRX250R 1986-1989 562M06725
WISECO
$221.95If you're running a Honda TRX250R and serious about extracting every bit of performance from your engine, this Wiseco piston kit is the upgrade that separates competitive builds from stock setups. The +1.00mm oversized bore combined with high-silicon...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
$221.95 -
Wiseco Piston Kit 67mm Standard Suzuki LT250R QuadRacer 1988-1992 571M06700
WISECO
$189.95If you're pushing a Suzuki LT250R to its limits, a worn or stock piston is costing you horsepower and reliability. The Wiseco 571M06700 delivers the compression ratio, durability, and power output serious racers demand, with a complete forged kit ready...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
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit for 2004 Kawasaki Bayou 300 4x4 PK1053
WISECO
$254.95When your Bayou 300 demands more from its engine, a worn top-end compromises power delivery and reliability under load. The Wiseco Piston Kit restores—and exceeds—OEM performance by pairing forged pistons with precision-engineered rings and hardware...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
$254.95Qty in Cart: 0Quantity:Price:$254.95Subtotal: -
Wiseco Honda TRX300 FourTrax 1988-2000 Piston Kit 74.50mm Bore 10.25:1 Compression PK1043
WISECO
$263.95When you're rebuilding your TRX300 engine or pushing higher RPMs, stock pistons become a liability. Wiseco's forged piston kit delivers the thermal stability and durability you need to run consistently at peak performance without premature wear or...09030329- SKU:
- 09030329
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- BORE SIZE METRIC:
- 74.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 74.45 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.50 MM
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 282 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$263.95 -
Wiseco Piston Kit 76mm 8.6:1 Compression for Kawasaki KLF300 Bayou 1986-2003 PK1050
WISECO
$239.95A worn or stock piston setup limits your Bayou 300's potential for power and reliability under demanding conditions. This Wiseco kit delivers a complete top-end solution with forged internals engineered to handle increased boost, higher RPMs, and...09030331- SKU:
- 09030331
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- DISPLACEMENT:
- 290 CC
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 75.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE SIZE METRIC:
- 76.00 MM
- COMPRESSION RATIO IMPERIAL:
- 8.6:1
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit Honda TRX250R 1986 PK1073
WISECO
$291.95When you're pushing your TRX250R to its limits, factory pistons become your weak link. This Wiseco Piston Kit delivers the strength and precision engineering needed to survive high-RPM demands and aggressive riding conditions. As a complete top-end...09030332- SKU:
- 09030332
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 66.00 MM
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 65.92 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- PRODUCT NAME:
- REBUILD KIT
$291.95 -
Wiseco Piston Kit Kawasaki KFX80 2003-2006 PK1101
WISECO
$169.95When you're rebuilding the top end on your KFX80, compromising on piston quality means compromising on reliability and peak performance. Wiseco's forged piston kit delivers the thermal stability and durability you need to push your machine hard without...09030369- SKU:
- 09030369
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 82 CC
- PISTON DIAMETER METRIC:
- 50.42 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 42.00 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 50.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal:
