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 Piston Kit 93mm Bore 10.2:1 Compression Polaris Sportsman 500 1996-2000 PK1654
WISECO
$289.95Upgrade your Polaris 500 engine with the WISECO Piston Kit, designed for optimal performance and durability. This complete kit includes everything you need for a high-performance rebuild, ensuring your engine runs smoothly under demanding conditions. ...09031275- SKU:
- 09031275
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 499 CC
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 93.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 92.95 MM
- SKIRT COATING:
- NON-COATED
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 75.00 MM
- TYPE:
- TOP END
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Wiseco Piston Kit with Gaskets for Polaris Sportsman 500 1996-2002 PK1653
WISECO
$289.95Enhance your engine's performance with the WISECO Piston Kit, expertly crafted for 2-cycle engines. This complete kit includes everything you need for a high-performance upgrade, ensuring durability and efficiency under extreme conditions. Forged...09030919- SKU:
- 09030919
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- BORE SIZE METRIC:
- 92.50 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 75.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 499 CC
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 92.45 MM
- SKIRT COATING:
- NON-COATED
$289.95 -
Wiseco Yamaha YFM660F Grizzly 2002-2008 YXR660F Rhino 2005-2007 Piston Kit PK1436
WISECO
$349.95Upgrade your engine's performance with the WISECO Piston Kit PK1436, designed for superior strength and precision. This complete piston kit includes everything you need for a high-performance rebuild, ensuring optimal fit and function. Crafted from...09030626- SKU:
- 09030626
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON DIAMETER METRIC:
- 100.42 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 100.50 MM
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- DISPLACEMENT:
- 660 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco Piston Kit with Gasket Yamaha Raptor 660R 2001-2005 PK1431
WISECO
$334.95This WISECO Piston Kit is engineered for optimal performance in 2-cycle engines, utilizing high-silicone forged materials for enhanced strength and reduced thermal expansion. Each kit comes complete with everything you need for a top-end rebuild,...09030621- SKU:
- 09030621
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 100.00 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 99.92 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- TYPE:
- TOP END
- DISPLACEMENT:
- 660 CC
- UNITS:
- KIT
$334.95Qty in Cart: 0Quantity:Price:$334.95Subtotal: -
Wiseco Piston +1.50 mm Yamaha Banshee 350 1987-2006 795M06550
WISECO
$164.95Unlock the full potential of your Yamaha Banshee 350 with the Wiseco +1.50 mm piston. Crafted from premium high-silicon aluminum alloy, this piston guarantees exceptional strength and reliability for both trail and racing scenarios, ensuring you...795M06550- SKU:
- 795M06550
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE:
- +1,50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- BORE SIZE METRIC:
- 65.50 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- DISPLACEMENT:
- 364 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$164.95 -
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: -
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 - +.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:
- 0.71 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
$134.64Quality 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:
- 0.76 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
$134.64Qty in Cart: 0Quantity:Price:$134.64Subtotal: -
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 - Yamaha 80 - +.25 mm 50-536-04K
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...09103535- SKU:
- 09103535
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BORE - OVERSIZE:
- +0,25 MM
- BORE - OVERSIZE METRIC:
- +0.25 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE SIZE METRIC:
- 47.25 MM
- MODEL:
- ORIGINAL
- PISTON MATERIAL:
- ALUMINUM
$56.00Qty in Cart: 0Quantity:Price:$56.00Subtotal: -
WSM Piston Assembly 50-520-645
WSM
$148.37Coated with MOS2 for high performance and heat absorption, Ported to match WSM Banshee sleeves, Fit bores from 64mm to 70.5mm, Piston pin is 5mm higher on long rod pistons to accommodate long rod, Made in Germany09100259- SKU:
- 09100259
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE SIZE METRIC:
- 64.50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- STANDARD BORE
$148.37Qty in Cart: 0Quantity:Price:$148.37Subtotal: -
On Sale
VERTEX Piston Kit - Standard 23234200
VERTEX
MSRP: $256.95Now: $231.26Was: $256.95All pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09101068- SKU:
- 09101068
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- BORE - OVERSIZE:
- +2,00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- CYLINDER DIAMETER METRIC:
- 87.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON SIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- DISPLACEMENT:
- 440 CC
- STYLE:
- FORGED BIG BORE
- BORE - OVERSIZE METRIC:
- +2.00 MM
- PISTON DIAMETER METRIC:
- 86.95 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $256.95Now: $231.26Was: $256.95 -
On Sale
VERTEX Piston Kit - Standard 22569
VERTEX
MSRP: $150.95Now: $135.86Was: $150.95All pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09101079- SKU:
- 09101079
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON SIZE METRIC:
- STANDARD
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 66.00 MM
- DISPLACEMENT:
- 200 CC
- PISTON DIAMETER METRIC:
- 65.95 MM
- STYLE:
- CAST REPLICA
MSRP: $150.95Now: $135.86Was: $150.95Qty in Cart: 0Quantity:Price:MSRP: $150.95Now: $135.86Was: $150.95Subtotal: -
On Sale
VERTEX Piston Kit 22569050
VERTEX
MSRP: $150.95Now: $135.86Was: $150.95All pistons are heat-treated with a T-5 hardening and tempering cycle, All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life09101081- SKU:
- 09101081
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- COMPRESSION RATIO IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- CYLINDER DIAMETER METRIC:
- 66.50 MM
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 198 CC
- PISTON DIAMETER METRIC:
- 66.45 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
MSRP: $150.95Now: $135.86Was: $150.95
