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
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Wiseco Yamaha XT250 2013-2022 YFM250R Raptor 2008-2013 Piston Kit 40078M07400
WISECO
$243.95Whether you're pushing your XT250 or Raptor on the trail or taking it to the track, a worn piston compromises both power output and engine longevity. The Wiseco 40078M07400 piston kit delivers the...09104164- SKU:
- 09104164
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- PISTON DIAMETER METRIC:
- 73.95 MM
- STROKE LENGTH METRIC:
- 58.00 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- STREET
$243.95 -
Wiseco Piston Kit Arctic Cat 650 2005-2011 40099M09800
WISECO
$224.95Your Arctic Cat 650's piston is the foundation of reliable power delivery, whether you're pushing hard on the track or cruising the trail. Worn or damaged pistons kill efficiency and invite...09104168- SKU:
- 09104168
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 97.92 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 85.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 98.00 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- DISPLACEMENT:
- 641 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- ARMORGLIDE®
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Yamaha YFM550 Grizzly 2009-2013 10.25:1 92mm Bore 40104M09200
WISECO
$189.95If you're rebuilding your Yamaha YFM550 Grizzly or pushing performance limits on the trail and at the track, a quality piston kit is non-negotiable. Wiseco's forged high-silicon alloy construction...09104169- SKU:
- 09104169
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- DISPLACEMENT:
- 558 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 92.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- PISTON DIAMETER METRIC:
- 91.92 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit for Polaris RZR 570 2012-2017 40105M09900
WISECO
$232.95When you're pushing your RZR 570 on the trail or at the track, factory pistons become a limiting factor. The Wiseco Piston Kit delivers the strength and precision engineering required to handle...09104170- SKU:
- 09104170
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 98.92 MM
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 99.00 MM
- DISPLACEMENT:
- 566 CC
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- STOCK
- STROKE LENGTH METRIC:
- 73.60 MM
- UNITS:
- KIT
$232.95 -
Wiseco Piston Kit 74.50mm 11:1 Compression Honda TRX300EX 1993-2008 4574M07450
WISECO
$221.95If you're running a Honda TRX300EX and want to unlock genuine performance gains, upgrading to a higher-compression piston is one of the most direct ways to increase horsepower and throttle response...4574M07450- SKU:
- 4574M07450
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 282 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE SIZE METRIC:
- 74.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 74.45 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +0,50 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.50 MM
- UNITS:
- KIT
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston Kit Kawasaki KLF220 Bayou 1988-2002 PK1047
WISECO
$239.95If you're running your Kawasaki Bayou hard, factory pistons won't cut it. The Wiseco Piston Kit PK1047 is engineered to handle sustained high RPMs and extreme operating temperatures while delivering...09030324- SKU:
- 09030324
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 215 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 67.00 MM
- PISTON DIAMETER METRIC:
- 66.95 MM
- STROKE LENGTH METRIC:
- 61.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
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...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
$255.95Qty in Cart: 0Quantity:Price:$255.95Subtotal: -
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...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...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...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...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...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...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...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...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...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...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
$232.95Qty in Cart: 0Quantity:Price:$232.95Subtotal: -
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...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
$221.95 -
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,...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
$221.95 -
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...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
