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 74.50mm Piston Kit for 1994-1995 Polaris 300 2x4 4x4 Big Boss 300 6x6 PK1516
WISECO
$199.95Experience unmatched performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Each kit features high-quality forged pistons that ensure durability and optimal thermal efficiency, making them the perfect choice for enthusiasts...09030638- SKU:
- 09030638
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.50 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- DISPLACEMENT:
- 283 CC
- PISTON DIAMETER METRIC:
- 74.42 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.00 MM
- UNITS:
- KIT
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Kit 11:1 Compression for 2003-2005 Honda TRX650FA Rincon 40067M10000
WISECO
$224.95Experience unparalleled performance with the Wiseco 11:1 Piston Kit, expertly crafted from high-silicon alloy for exceptional strength and reliability. Designed for both trail and racing enthusiasts, this complete piston kit includes rings and circlips,...09104154- SKU:
- 09104154
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 82.60 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 100 MM
- DISPLACEMENT:
- 649 CC
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON DIAMETER METRIC:
- 99.92 MM
- UNITS:
- KIT
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Yamaha YFM125R Raptor 2011-2013 11:1 40068M05400
WISECO
$169.95Enhance your Raptor 125's performance with the WISECO Piston Kit, designed for both durability and efficiency. Crafted from a high-silicon alloy, this piston ensures optimal strength and reliability for trail and racing enthusiasts alike. Each kit comes...09104155- SKU:
- 09104155
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 124 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 53.95 MM
- STROKE LENGTH METRIC:
- 54.00 MM
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Piston Kit Yamaha YFM125R Raptor 2011-2013 11:1 40068M05450
WISECO
$169.95Enhance your Raptor 125's performance with the WISECO Piston Kit, designed with a high-silicon alloy for exceptional strength and reliability. This piston kit is perfect for both trail and racing applications, ensuring optimal power and efficiency. Each...09104156- SKU:
- 09104156
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 126 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 54.45 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.00 MM
$169.95 -
Wiseco Yamaha YFM125R Raptor 2011-2013 13:1 Piston Kit 40071M05400
WISECO
$189.95Elevate your performance with the WISECO Piston Kit designed specifically for the Raptor 125. Crafted from a high-silicon alloy, this piston ensures exceptional strength and reliability, making it ideal for both trail and racing enthusiasts. Each kit...09104158- SKU:
- 09104158
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- PISTON DIAMETER METRIC:
- 53.95 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 54.00 MM
$189.95 -
Wiseco Piston Honda CRF450R 2002-2008 Standard 4440M07400
WISECO
$194.95Engineered for performance and durability, the WISECO Piston Honda Standard 4440M07400 is crafted from a high-silicon alloy, ensuring exceptional strength for both trail and racing applications. This piston is designed to meet the demands of serious...4440M07400- SKU:
- 4440M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 73.95 MM
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 57.30 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$194.95 -
Wiseco Piston Kit for 1987-1992 Honda TRX250X 75mm 12:1 Compression 4440M07500
WISECO
$194.95Experience unparalleled performance with the WISECO Piston, expertly crafted from high-silicon alloy for exceptional strength and reliability. Designed for both trail and racing applications, this piston ensures optimal engine efficiency and durability...4440M07500- SKU:
- 4440M07500
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON DIAMETER METRIC:
- 74.95 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 75.00 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 57.30 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
$194.95 -
WSM Piston Kit - Honda 400 - +.75 mm 50-228-06K
WSM
$122.25Quality 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...09103486- SKU:
- 09103486
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 85.75 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,75 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE METRIC:
- +0.75 MM
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
$122.25Qty in Cart: 0Quantity:Price:$122.25Subtotal: -
WSM Piston Kit - Honda 400 - +1 mm 50-228-07K
WSM
$122.25Quality 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...09103487- SKU:
- 09103487
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 86.00 MM
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
$122.25Qty in Cart: 0Quantity:Price:$122.25Subtotal: -
WSM Piston Kit - Honda 250 - Standard 50-229K
WSM
$98.62Quality 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...09103488- SKU:
- 09103488
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE SIZE METRIC:
- 68.50 MM
- BORE - OVERSIZE:
- STANDARD
- MODEL:
- ORIGINAL
- PISTON MATERIAL:
- ALUMINUM
$98.62 -
WSM Piston Kit - Honda 250 - +.50 mm 50-229-05K
WSM
$98.62Quality 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...09103490- SKU:
- 09103490
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +0,50 MM
- MODEL:
- ORIGINAL
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 69.00 MM
- PISTON MATERIAL:
- ALUMINUM
$98.62Qty in Cart: 0Quantity:Price:$98.62Subtotal: -
WSM Piston Kit - Honda 250 - +.75 mm 50-229-06K
WSM
$98.62Quality 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...09103491- SKU:
- 09103491
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- +0,75 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 69.75 MM
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.75 MM
- PISTON MATERIAL:
- ALUMINUM
$98.62Qty in Cart: 0Quantity:Price:$98.62Subtotal: -
WSM Piston Kit - Honda 400 - Standard 50-230K
WSM
$128.23Quality 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...09103493- SKU:
- 09103493
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- ORIGINAL
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 85.00 MM
$128.23Qty in Cart: 0Quantity:Price:$128.23Subtotal: -
WSM Piston Kit - Honda 400 - +.25 mm 50-230-04K
WSM
$128.23Quality 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...09103494- SKU:
- 09103494
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +0.25 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,25 MM
- BORE SIZE METRIC:
- 85.25 MM
- PISTON MATERIAL:
- ALUMINUM
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
$128.23Qty in Cart: 0Quantity:Price:$128.23Subtotal: -
WSM Piston Kit - Honda 400 - +.50 mm 50-230-05K
WSM
$128.23Quality 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...09103495- SKU:
- 09103495
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- BORE SIZE METRIC:
- 85.50 MM
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
$128.23 -
WSM Piston Kit - Honda 400 - +.75 mm 50-230-06K
WSM
$128.23Quality 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...09103496- SKU:
- 09103496
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MODEL:
- ORIGINAL
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.75 MM
- BORE SIZE METRIC:
- 85.75 MM
- BORE - OVERSIZE:
- +0,75 MM
- PRODUCT NAME:
- PISTON KIT
$128.23 -
WSM Piston Kit - Honda 400 - +1 mm 50-230-07K
WSM
$128.23Quality 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...09103497- SKU:
- 09103497
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 86.00 MM
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PRODUCT NAME:
- PISTON KIT
$128.23 -
WSM Piston Kit - Kawasaki 220 - Standard 50-250K
WSM
$98.62Quality 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...09103498- SKU:
- 09103498
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON MATERIAL:
- ALUMINUM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 67.00 MM
- MODEL:
- ORIGINAL
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$98.62Qty in Cart: 0Quantity:Price:$98.62Subtotal: -
WSM Piston Kit - Kawasaki 220 - +.25 mm 50-250-04K
WSM
$98.62Quality 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...09103499- SKU:
- 09103499
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 67.25 MM
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,25 MM
- BORE - OVERSIZE METRIC:
- +0.25 MM
- PRODUCT NAME:
- PISTON KIT
$98.62 -
WSM Piston Kit - Yamaha 80 - Standard 50-536K
WSM
$56.00Quality 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...09103534- SKU:
- 09103534
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 47.00 MM
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- ORIGINAL
- RIDING STYLE:
- ATV
$56.00
