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 Suzuki LT-R450 2006-2011 Piston Kit 95.50mm 11.7:1 PK1423
WISECO
$349.95Elevate your engine's performance with the WISECO Piston Kit, meticulously crafted for 2-cycle engines. Each kit features a high-performance forged piston designed for enhanced strength and reduced thermal expansion, ensuring reliability even in the most...09030488- SKU:
- 09030488
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- DISPLACEMENT:
- 450 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 95.50 MM
- BORE SIZE METRIC:
- 95.50 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 62.80 MM
$349.95 -
Wiseco Piston Kit Standard Bore 78.50mm 8.8:1 Compression Honda TRX350 Rancher 4933M07850
WISECO
$189.95Upgrade your TRX350 Rancher with the WISECO Piston Kit, designed for optimal performance and durability. This standard piston kit is engineered to enhance engine efficiency, ensuring a smooth and powerful ride. Please note that the kit does not include a...09100854- SKU:
- 09100854
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE SIZE METRIC:
- 78.50 MM
- DISPLACEMENT:
- 325 CC
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLY COATED
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit Standard Bore 68.50mm Honda TRX250EX 2001-2008 4935M06850
WISECO
$189.95Upgrade your ATV's performance with the WISECO Piston Kit Standard for the TRX250EX. Designed for durability and optimal engine efficiency, this piston kit ensures a reliable fit and improved power output. Please note that this kit does not include a...09100856- SKU:
- 09100856
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 68.50 MM
- SKIRT COATING:
- MOLY COATED
- STROKE LENGTH METRIC:
- 62.20 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 229 CC
- PRODUCT NAME:
- PISTON
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$189.95 -
Wiseco Piston Kit Standard Bore 10200mm 92:1 Compression Yamaha YFM700R Raptor 2006-2014 4902M10200
WISECO
$224.95Upgrade your Raptor 700R's performance with the WISECO Piston Kit, designed for durability and efficiency. This high-quality piston kit enhances engine power and reliability, ensuring a smooth ride on any terrain. Please note, this kit does not include a...09100859- SKU:
- 09100859
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 686 CC
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 102.00 MM
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit for Polaris Sportsman 400 4x4 2001-2003 675M08325
WISECO
$184.95Upgrade your Polaris 400 with the WISECO Piston Kit, designed for enhanced performance and durability. This high-quality piston kit ensures optimal engine efficiency, making it an essential choice for enthusiasts looking to improve their ride. Please...09102806- SKU:
- 09102806
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- DISPLACEMENT:
- 400 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 83.25 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +0.50 MM
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
Wiseco Piston Kit 97.00mm 13:1 Compression for 2008-2014 Can-Am DS 450 40027M09700
WISECO
$274.95The WISECO Piston Kit Standard 40027M09700 is engineered for high performance and durability, making it an ideal choice for enthusiasts looking to enhance their engine's efficiency. This piston kit is designed to provide optimal compression and power...09102809- SKU:
- 09102809
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 60.80 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 449 CC
$274.95 -
Wiseco Piston Kit 82.50mm for 2007-2013 Can-Am Outlander 500 40028M08250
WISECO
$117.95Upgrade your Can Am 500 with the WISECO Piston Kit, designed for enhanced performance and durability. This high-quality piston kit is engineered to deliver optimal power and efficiency, ensuring a smooth and reliable ride. Please note that this kit does...09102811- SKU:
- 09102811
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE SIZE METRIC:
- 82.50 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- DISPLACEMENT:
- 496 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 47.00 MM
$117.95 -
Wiseco Piston Kit Standard Bore 93mm 12.5:1 Compression Polaris RZR XP 900 2011-2014 40046M09300
WISECO
$249.95Upgrade your RZR XP 900 with the WISECO Piston Kit, designed for enhanced performance and reliability. This high-quality piston kit ensures optimal power and efficiency, making it an essential addition for serious off-road enthusiasts. Note that this kit...09102819- SKU:
- 09102819
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- DISPLACEMENT:
- 876 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 93.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 64.50 MM
$249.95 -
Wiseco Piston Kit 86.50mm for 2007-2014 Honda TRX420 Rancher 40050M08650
WISECO
$189.95Upgrade your engine performance with the WISECO Piston Kit Standard 40050M08650. Designed for durability and efficiency, this piston kit ensures optimal combustion and power delivery. Please note that this kit does not include a gasket kit, so be sure to...09102820- SKU:
- 09102820
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 86.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLY COATED
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 420 CC
- STROKE LENGTH METRIC:
- 71.50 MM
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit Honda TRX420 Rancher 2007-2019 87.00mm 40050M08700
WISECO
$189.95Enhance your Honda's performance with the WISECO Piston Kit, specifically designed for the 420 model. This high-quality piston kit provides superior durability and efficiency, ensuring your engine runs smoothly. Please note that this kit does not include...09102821- SKU:
- 09102821
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 87.00 MM
- SKIRT COATING:
- MOLY COATED
- DISPLACEMENT:
- 425 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 71.50 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit 68mm 10.25:1 Compression for Suzuki LT230S 1985-1988 4382M06800
WISECO
$194.95Enhance the performance of your LT230/250 quad with the WISECO Piston Kit. Designed for durability and precision, this piston kit ensures optimal engine efficiency and power. Please note that the kit does not include a gasket set, allowing for tailored...09102828- SKU:
- 09102828
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- STROKE LENGTH METRIC:
- 67.00 MM
- BORE SIZE METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 229 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$194.95 -
Wiseco Piston Kit Honda TRX250X 1987-1992 76mm 12:1 4440M07600
WISECO
$209.95Upgrade your ATV's performance with the WISECO Piston Kit designed specifically for the TRX250X. This high-quality piston kit enhances engine efficiency and power, ensuring a smoother ride and improved throttle response. Please note that this kit does...09102829- SKU:
- 09102829
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 76.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 57.30 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 246 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$209.95 -
Wiseco Piston Kit 74mm 10.25:1 Compression for Honda TRX300 FourTrax 1988-2000 4629M07400
WISECO
$194.95Engineered for optimal performance, the WISECO Piston 4629M07400 is crafted from a high-silicon alloy, ensuring exceptional strength and reliability. Designed for both trail and racing enthusiasts, this piston guarantees a perfect fit for a variety of...4629M07400- SKU:
- 4629M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- PISTON DIAMETER METRIC:
- 73.95 MM
- STROKE LENGTH METRIC:
- 65.50 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- DISPLACEMENT:
- 282 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- ATV
$194.95 -
Wiseco Honda TRX300 FourTrax 1988-2000 74.50mm Piston Kit 4629M07450
WISECO
$194.95Engineered for performance and durability, the Wiseco Piston 4629M07450 is crafted from a high-silicon alloy, ensuring exceptional strength for both trail and racing enthusiasts. This piston is designed to enhance engine efficiency while delivering...4629M07450- SKU:
- 4629M07450
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 74.45 MM
- STROKE LENGTH METRIC:
- 65.50 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 282 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 74.50 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
$194.95 -
Wiseco Honda TRX300 1988-2000 Piston Kit 4629M07500
WISECO
$194.95Engineered for performance and durability, the WISECO Piston 4629M07500 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 enthusiasts,...4629M07500- SKU:
- 4629M07500
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 282 CC
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 75.00 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 74.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- STROKE LENGTH METRIC:
- 65.50 MM
- UNITS:
- KIT
$194.95 -
Wiseco Piston Honda CRF450R 2002-2008 96mm 12.01:1 449cc 2457-4820M09600
WISECO
$194.95Experience unparalleled performance with the WISECO Piston Honda .50mm 4393M08150, expertly crafted from high-silicon alloy for exceptional strength and reliability. Designed for both trail and racing applications, this piston ensures optimal efficiency...4393M08150- SKU:
- 4393M08150
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 350.4 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 68.00 MM
- PISTON DIAMETER METRIC:
- 81.45 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 81.50 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- RIDING STYLE:
- OFF-ROAD
$194.95 -
On Sale
Wossner Piston Kit for Polaris RZR 570 2014-2021 8951D500
WOSSNER
MSRP: $236.00Now: $151.00Was: $236.00Elevate your Polaris RZR 570's performance with the WOSSNER Piston Kit, expertly engineered for durability and efficiency. Crafted from premium materials, this piston kit ensures optimal operation and longevity, making it an essential upgrade for any...09106115- SKU:
- 09106115
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 103.92 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 104.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.2:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +5,00 MM
- BORE - OVERSIZE METRIC:
- +5.00 MM
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $236.00Now: $151.00Was: $236.00 -
Wossner Piston Kit for Polaris Outlaw 500 2006-2007 8692DA
WOSSNER
$194.00Experience enhanced performance and durability with the WOSSNER Piston Kit designed specifically for Polaris models. Crafted from premium materials and engineered with precision, this piston kit ensures optimal functionality and longevity, making it a...09106120- SKU:
- 09106120
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- PISTON SIZE METRIC:
- 99.14 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 99.20 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- MODEL:
- PRO SERIES
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$194.00 -
Wossner Piston Kit for Polaris Ranger 700 2007 K8825DA-2
WOSSNER
$428.00Enhance the performance of your Polaris RGR 700 with the WOSSNER Piston Kit. Engineered with precision and crafted from high-quality materials, this kit ensures optimal power delivery and reliability. Experience quieter operation and improved efficiency,...09106146- SKU:
- 09106146
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 80.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.8:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- MODEL:
- STANDARD SERIES
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON SIZE METRIC:
- 79.93 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
$428.00 -
Wossner Piston Kit for Polaris RZR 800 2008-2014 K8877DA-2
WOSSNER
$428.00Upgrade your Polaris RZR 800 with the WOSSNER Piston Kit, designed for exceptional performance and durability. This high-quality kit includes everything you need for a seamless installation and is engineered to enhance your ride's efficiency and power...09106147- SKU:
- 09106147
- Availability:
- Ships Same Business Day
- Weight:
- 0.84 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 80.00 MM
- PISTON SIZE METRIC:
- 79.93 MM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- UNITS:
- KIT
- MODEL:
- STANDARD SERIES
- RIDING STYLE:
- UTV
$428.00
