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
-
WSM Piston Assembly - Polaris - +1 mm 50-306-07PK
WSM
$95.36A piston assembly is one of the most critical components in your engine's combustion chamber, and OEM units often leave performance and durability on the table. The WSM +1 mm piston assembly for...09101325- SKU:
- 09101325
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- ORIGINAL
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 84.00 MM
$95.36Qty in Cart: 0Quantity:Price:$95.36Subtotal: -
VERTEX Piston Kit 24502A
VERTEX
$315.95The VERTEX Piston Kit 24502A delivers the durability and precision engineered into professional racing engines. Whether you're rebuilding a two-stroke or four-stroke powerplant, this kit provides...09106271- SKU:
- 09106271
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$315.95 -
VERTEX Piston Kit 24502B
VERTEX
$315.95The VERTEX Piston Kit 24502B delivers the strength and precision needed for high-RPM reliability and consistent power delivery. Whether you're rebuilding a tired engine or upgrading to higher...09106272- SKU:
- 09106272
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
$315.95 -
Wiseco Piston Kit Yamaha YXE700WDH 2016 11:1 40141M10300
WISECO
$246.95When you're pushing your Wolverine R-Spec to its limits on the trail or at the track, your original pistons become the weak link. The Wiseco Piston Kit delivers the durability and power output you...09104178- SKU:
- 09104178
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- PISTON DIAMETER METRIC:
- 102.92 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- STROKE LENGTH METRIC:
- 85.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 103.00 MM
- DISPLACEMENT:
- 708 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- ARMORGLIDE®
$246.95 -
Wiseco Piston Kit 74.5mm 12:1 Compression Honda TRX250X 1987-1992 4440M07450
WISECO
$194.95If you're running a TRX250X through demanding trail conditions or competitive racing, your factory piston likely won't survive sustained high-RPM abuse or aggressive tuning. This Wiseco piston kit...4440M07450- SKU:
- 4440M07450
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 57.30 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 74.50 MM
- PISTON DIAMETER METRIC:
- 74.45 MM
- UNITS:
- KIT
$194.95 -
Wiseco Piston Kit for 2009-2015 Polaris RZR 170 40143M06100
WISECO
$196.95Stock pistons wear out—especially in high-demand applications like competitive RZR 170 racing or aggressive trail riding. The Wiseco Piston Kit replaces worn components with precision-engineered...09104180- SKU:
- 09104180
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 60.95 MM
- STROKE LENGTH METRIC:
- 58.00 MM
- BORE SIZE METRIC:
- 61.00 MM
- DISPLACEMENT:
- 169 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- STOCK
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
- SKIRT COATING:
- NON-COATED
$196.95 -
On Sale
Wiseco Piston Kit Kawasaki KRF750 Teryx 2012-2013 11.5:1 40146M08700
WISECO
MSRP: $184.95Now: $118.00Was: $184.95If you're rebuilding or upgrading your KRF750 Teryx engine, piston quality directly impacts power delivery, reliability, and longevity under load. The Wiseco 11.5:1 compression kit delivers...09104183- SKU:
- 09104183
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 66.00 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 87.00 MM
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 749 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 86.95 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
MSRP: $184.95Now: $118.00Was: $184.95Qty in Cart: 0Quantity:Price:MSRP: $184.95Now: $118.00Was: $184.95Subtotal: -
Wiseco Piston Kit 82mm 12:1 Compression for Polaris RZR 800 2008-2014 4963M08200
WISECO
$214.34If you're running your RZR 800 hard—whether on the trail or the strip—stock pistons won't cut it. The Wiseco 82mm kit with 12:1 compression delivers measurable power gains and the durability to...09104185- SKU:
- 09104185
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 82.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 769 CC
- PISTON DIAMETER METRIC:
- 81.94 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 76.50 MM
- BORE - OVERSIZE:
- +2,00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
$214.34Qty in Cart: 0Quantity:Price:$214.34Subtotal: -
Wiseco Piston Kit 71.50mm 1985-1986 Suzuki LT250R QuadRacer 534M07150
WISECO
$229.95If you're running a stock piston in your 1985-1986 Suzuki LT250R QuadRacer, you're leaving performance on the table. The Wiseco +1.50mm piston kit delivers measurable gains in compression ratio and...534M07150- SKU:
- 534M07150
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE SIZE METRIC:
- 71.50 MM
- DISPLACEMENT:
- 247 CC
- STROKE LENGTH METRIC:
- 64.80 MM
- BORE - OVERSIZE:
- +1,50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- STROKE LENGTH:
- 64,80 MM
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
Wiseco Piston 72.00 mm 2.00 mm Oversize Suzuki LT250R QuadRacer 534M07200
WISECO
$229.95If you're pushing your Suzuki LT250R QuadRacer to its limits, stock pistons become your limiting factor. The Wiseco +2.00 mm piston delivers the compression ratio and durability demanded by...534M07200- SKU:
- 534M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 72.00 MM
- STROKE LENGTH:
- 64,80 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 247 CC
- STROKE LENGTH METRIC:
- 64.80 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
Wiseco Piston Standard Yamaha RZ 350 1984-1985 513M06400
WISECO
$177.95The Yamaha RZ 350's two-stroke engine demands a piston that can handle aggressive tuning and sustained high RPM operation without compromising reliability. Wiseco's forged high-silicon aluminum...513M06400- SKU:
- 513M06400
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 64.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 346 CC
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- STREET
- STROKE LENGTH:
- 54,00 MM
- STROKE LENGTH METRIC:
- 54.00 MM
$177.95 -
On Sale
Wiseco Piston 0.50 mm Overbore Yamaha Banshee 350 1987-2006 513M06450
WISECO
MSRP: $177.95Now: $132.00Was: $177.95If you're running a Banshee 350 at the limit, a worn or stock piston will cost you power and reliability when it matters most. Wiseco's forged high-silicon aluminum construction handles the demands...513M06450- SKU:
- 513M06450
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH:
- 54,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE SIZE METRIC:
- 64.50 MM
- DISPLACEMENT:
- 352 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.00 MM
MSRP: $177.95Now: $132.00Was: $177.95 -
On Sale
Wiseco Piston Kit 0.75mm Oversize for 1987-2006 Yamaha Banshee 350 513M06475
WISECO
MSRP: $177.95Now: $132.00Was: $177.95When you're pushing your Banshee 350 to its limits, factory pistons become the weak link. The Wiseco +0.75mm piston kit delivers the strength and compression you need to unlock serious horsepower...513M06475- SKU:
- 513M06475
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- DISPLACEMENT:
- 355 CC
- BORE - OVERSIZE METRIC:
- +0.75 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 54,00 MM
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- +0,75 MM
- BORE SIZE METRIC:
- 64.75 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
MSRP: $177.95Now: $132.00Was: $177.95 -
On Sale
Wiseco Piston Kit for Yamaha YFZ350 Banshee 1987-2006 513M06500
WISECO
MSRP: $177.95Now: $132.00Was: $177.95If you're running a YFZ350 Banshee and pushing serious RPMs, stock pistons won't cut it—you need a forged solution that can handle sustained high-load conditions without sacrificing reliability...513M06500- SKU:
- 513M06500
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 65.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 358 CC
- STROKE LENGTH METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON
MSRP: $177.95Now: $132.00Was: $177.95 -
On Sale
Wiseco Piston 1.25mm Oversize Yamaha Banshee 350 1987-2006 513M06525
WISECO
MSRP: $188.95Now: $140.00Was: $188.95If you're running a Banshee 350 at the limit, your factory piston won't cut it. The Wiseco +1.25mm oversize piston delivers the compression ratio and durability needed to extract real power gains...513M06525- SKU:
- 513M06525
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- DISPLACEMENT:
- 361 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- +1.25 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 54.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE:
- +1,25 MM
- BORE SIZE METRIC:
- 65.25 MM
MSRP: $188.95Now: $140.00Was: $188.95Qty in Cart: 0Quantity:Price:MSRP: $188.95Now: $140.00Was: $188.95Subtotal: -
On Sale
Wiseco Piston Kit 65.50mm 1987-2006 Yamaha YFZ350 Banshee 513M06550
WISECO
MSRP: $188.95Now: $140.00Was: $188.95The Wiseco 513M06550 piston kit delivers the durability and precision your YFZ350 Banshee demands, whether you're pushing limits on the track or maximizing reliability during extended riding sessions...513M06550- SKU:
- 513M06550
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 65.50 MM
- DISPLACEMENT:
- 364 CC
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
MSRP: $188.95Now: $140.00Was: $188.95 -
On Sale
Wiseco Piston 2.00mm Oversize Yamaha Banshee 350 1987-2006 513M06600
WISECO
MSRP: $188.95Now: $140.00Was: $188.95If you're pushing your Yamaha Banshee 350 to its limits, a worn or stock piston will quickly become your bottleneck. The Wiseco +2.00mm oversized piston delivers the compression ratio and material...513M06600- SKU:
- 513M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- STROKE LENGTH:
- 54,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 66.00 MM
- DISPLACEMENT:
- 370 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $188.95Now: $140.00Was: $188.95 -
On Sale
Wiseco Piston Kit 96mm Yamaha XT600 1984-1995 4797M09600
WISECO
MSRP: $224.95Now: $191.00Was: $224.95A worn or compromised piston directly reduces compression, throttle response, and overall engine reliability—especially critical on the XT600 platform where durability under load is non-negotiable...4797M09600- SKU:
- 4797M09600
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 95.92 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 598 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 84.00 MM
MSRP: $224.95Now: $191.00Was: $224.95Qty in Cart: 0Quantity:Price:MSRP: $224.95Now: $191.00Was: $224.95Subtotal: -
On Sale
Wiseco Piston Kit Honda TRX250R 1986 PK1079
WISECO
MSRP: $284.95Now: $242.00Was: $284.95If you're running a Honda TRX250R at the track or trail, piston failure under sustained high RPM and load is a real risk—especially on an engine approaching higher mileage. The Wiseco PK1079 kit...09030342- SKU:
- 09030342
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- +1,50 MM
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 67.42 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.50 MM
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- PRODUCT NAME:
- REBUILD KIT
MSRP: $284.95Now: $242.00Was: $284.95Qty in Cart: 0Quantity:Price:MSRP: $284.95Now: $242.00Was: $284.95Subtotal: -
On Sale
Wiseco Piston Kit for Honda TRX400EX 1999-2008 PK1031
WISECO
MSRP: $311.95Now: $246.00Was: $311.95A worn or damaged piston compromises engine compression, power delivery, and reliability—especially critical for high-performance riding where engine stress is constant. The Wiseco PK1031 piston kit...09030345- SKU:
- 09030345
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 85.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 397 CC
- PISTON DIAMETER METRIC:
- 84.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
MSRP: $311.95Now: $246.00Was: $311.95
