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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On Sale
Wiseco Piston Kit 93mm 11:1 Compression for Polaris RZR XP 1000 2014-2021 40128M09300
WISECO
MSRP: $249.95Now: $212.00Was: $249.95Upgrade your Polaris engine performance with the WISECO Piston Kit 40128M09300. Designed for durability and precision, this piston kit ensures optimal engine efficiency and power. Please note that this kit does not include a gasket set, so be sure to...09103943- SKU:
- 09103943
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 93.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 999 CC
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 73.50 MM
MSRP: $249.95Now: $212.00Was: $249.95 -
Wiseco Yamaha YFZ350 Banshee 1987-2006 66mm Piston Kit with Gasket PK143
WISECO
$394.95Upgrade your engine's performance with the WISECO Piston Kit, meticulously designed for 2-cycle engines. Crafted from high-silicone forged material, this kit ensures exceptional strength and minimal thermal expansion, enhancing durability at high...09030620- SKU:
- 09030620
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- STROKE LENGTH METRIC:
- 54.00 MM
- DISPLACEMENT:
- 370 CC
- PISTON DIAMETER METRIC:
- 65.92 MM
- SKIRT COATING:
- NON-COATED
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 66.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
$394.95 -
Wiseco Piston Kit 83mm for Polaris Xplorer 400 1995-2001 675M08300
WISECO
$184.95Engineered for peak performance, the Wiseco Piston Standard 675M08300 is crafted from a high-silicon aluminum alloy, ensuring exceptional strength and reliability. Designed for both trail and racing applications, this piston enhances durability and...675M08300- SKU:
- 675M08300
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 400 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 83.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
$184.95 -
Wiseco Piston Kit 67mm 9.3:1 Compression Kawasaki KLF220 Bayou 1988-2002 4670M06700
WISECO
$128.95Engineered for peak performance, the Wiseco Piston 4670M06700 is crafted from a high-silicon alloy that ensures exceptional strength and durability. This piston is designed to meet the rigorous demands of both trail and racing applications, making it a...4670M06700- SKU:
- 4670M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 67.00 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 61.00 MM
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 66.95 MM
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 215 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
$128.95Qty in Cart: 0Quantity:Price:$128.95Subtotal: -
Wossner Piston Kit Yamaha YFS200 Blaster 1988-2006 8101D150
WOSSNER
$122.00Experience unparalleled performance and reliability with the WOSSNER Piston Kit 8101D150, expertly crafted for 2-stroke engines. This premium piston kit combines advanced engineering with high-quality materials to deliver exceptional durability and...09105529- SKU:
- 09105529
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +1.50 MM
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 67.44 MM
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
$122.00Qty in Cart: 0Quantity:Price:$122.00Subtotal: -
Wossner Yamaha YFS200 Blaster 1988-2006 Piston Kit 8101D200
WOSSNER
$122.00Experience unparalleled performance with the WOSSNER Piston Kit 8101D200, meticulously engineered for optimal efficiency and durability. This high-quality 2-stroke piston kit is designed to enhance your engine's performance while ensuring quiet operation...09105530- SKU:
- 09105530
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 68.00 MM
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 67.94 MM
- TYPE:
- DUAL RING
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
$122.00Qty in Cart: 0Quantity:Price:$122.00Subtotal: -
Wiseco Piston Kit 81mm Bore 10.25:1 Compression for 1985-1986 Honda ATC350X PK1015
WISECO
$239.95Experience unmatched performance with the WISECO Piston Kit, specifically designed for the ATC/TRX350. Crafted from high-silicone forged material, these pistons provide superior strength and minimize thermal expansion, ensuring optimal engine efficiency...09030317- SKU:
- 09030317
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- PISTON DIAMETER METRIC:
- 80.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 81.00 MM
- DISPLACEMENT:
- 350.4 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 68.00 MM
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$239.95 -
Wiseco Piston Kit 83.25mm for Polaris Sportsman 400 4x4 1994-2005 PK1107
WISECO
$239.95Experience unparalleled performance with the WISECO Piston Kit, expertly crafted for 2-cycle engines. Each kit includes everything you need for a complete engine rebuild, ensuring durability and efficiency under high temperatures. High-silicone...09030459- SKU:
- 09030459
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PISTON DIAMETER METRIC:
- 83.17 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +0.25 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,25 MM
- DISPLACEMENT:
- 400 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 83.25 MM
- MODEL:
- FORGED SERIES
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit 69mm 8.9:1 Compression for 1998-2005 Arctic Cat 300 and 1999-2002 Suzuki LT-F300F 4673M06900
WISECO
$194.95Engineered for peak performance, the Wiseco Piston 4673M06900 is crafted from a high-silicon alloy, ensuring exceptional strength and reliability in both competitive and recreational settings. This piston is designed to enhance your engine's efficiency,...4673M06900- SKU:
- 4673M06900
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON DIAMETER METRIC:
- 68.95 MM
- STROKE LENGTH METRIC:
- 76.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 69.00 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 8.9:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- DISPLACEMENT:
- 280 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit 81.50 mm for 1990-1993 Polaris Trail Boss 350L 639M08150
WISECO
$199.95Upgrade your Polaris Trail Boss 350 with the Wiseco +1.50 mm piston, engineered for exceptional strength and reliability. Crafted from high-silicon aluminum alloy, this piston enhances durability and maximizes horsepower, making it ideal for both trail...639M08150- SKU:
- 639M08150
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 70.00 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 70,00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,50 MM
- DISPLACEMENT:
- 352 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +1.50 MM
- BORE SIZE METRIC:
- 81.50 MM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Honda CRF450R 2002 4394M06550
WISECO
$174.95Engineered for performance and reliability, the Wiseco Piston 4394M06550 is crafted from a high-silicon alloy, ensuring exceptional strength for both trail and racing applications. This piston comes complete with rings and circlips, making it a...4394M06550- SKU:
- 4394M06550
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 199 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE SIZE METRIC:
- 65.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 65.45 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Kit Standard Bore 66mm 10.25:1 Compression Suzuki LT-4WD QuadRunner 1987-1995 4382M06600
WISECO
$174.95Experience unparalleled performance with the WISECO Piston Suzuki Standard 4382M06600, expertly crafted from a high-silicon alloy for exceptional strength and reliability. Designed for both trail and racing applications, this piston ensures optimal...4382M06600- SKU:
- 4382M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 66.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 67.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 229 CC
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- PISTON DIAMETER METRIC:
- 65.95 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
On Sale
VERTEX Piston Kit VTKTC23532A
VERTEX
MSRP: $375.95Now: $338.36Was: $375.95All 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 life09103852- SKU:
- 09103852
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $375.95Now: $338.36Was: $375.95Qty in Cart: 0Quantity:Price:MSRP: $375.95Now: $338.36Was: $375.95Subtotal: -
On Sale
VERTEX Piston Kit VTKTC23522C
VERTEX
MSRP: $345.95Now: $311.36Was: $345.95All 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 life09103851- SKU:
- 09103851
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 95.97 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- DISPLACEMENT:
- 450 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
MSRP: $345.95Now: $311.36Was: $345.95Qty in Cart: 0Quantity:Price:MSRP: $345.95Now: $311.36Was: $345.95Subtotal: -
On Sale
VERTEX Piston Kit VTKTC22984B-1
VERTEX
MSRP: $328.95Now: $296.06Was: $328.95All 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 life09103844- SKU:
- 09103844
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
MSRP: $328.95Now: $296.06Was: $328.95Qty in Cart: 0Quantity:Price:MSRP: $328.95Now: $296.06Was: $328.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09800004B
ATHENA
MSRP: $311.95Now: $281.00Was: $311.95Includes rings, clips and pin, Easy-to-follow step-by-step installation instructions09102505- SKU:
- 09102505
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- STYLE:
- BIG BORE
- PISTON DIAMETER METRIC:
- 97.95 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PISTON SIZE METRIC:
- STANDARD SIZE B
- RIDING STYLE:
- ATV
MSRP: $311.95Now: $281.00Was: $311.95Qty in Cart: 0Quantity:Price:MSRP: $311.95Now: $281.00Was: $311.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09800004A
ATHENA
MSRP: $311.95Now: $281.00Was: $311.95Includes rings, clips and pin, Easy-to-follow step-by-step installation instructions09102504- SKU:
- 09102504
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- STYLE:
- BIG BORE
- PISTON DIAMETER METRIC:
- 97.94 MM
- PISTON SIZE METRIC:
- STANDARD SIZE A
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $311.95Now: $281.00Was: $311.95Qty in Cart: 0Quantity:Price:MSRP: $311.95Now: $281.00Was: $311.95Subtotal: -
On Sale
VERTEX Piston Kit 23623B
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 life, Cast piston kits are gravity cast aluminum alloy (not...09102108- SKU:
- 09102108
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- DISPLACEMENT:
- 700 CC
- STYLE:
- CAST REPLICA
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- CYLINDER DIAMETER METRIC:
- 102.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 101.96 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $256.95Now: $231.26Was: $256.95Qty in Cart: 0Quantity:Price:MSRP: $256.95Now: $231.26Was: $256.95Subtotal: -
On Sale
VERTEX Piston Kit 23555A
VERTEX
MSRP: $247.95Now: $223.16Was: $247.95All 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 life, Cast piston kits are gravity cast aluminum alloy (not...09102104- SKU:
- 09102104
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- UTV
- CYLINDER DIAMETER METRIC:
- 100.00 MM
- DISPLACEMENT:
- 660 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 99.95 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
MSRP: $247.95Now: $223.16Was: $247.95Qty in Cart: 0Quantity:Price:MSRP: $247.95Now: $223.16Was: $247.95Subtotal: -
Wiseco 74mm 11.5:1 Piston Kit Kawasaki KSF250 Mojave 1989-2003 PK1746
WISECO
$234.95Upgrade your engine's performance with the WISECO Piston Kit PK1746, designed for precision and durability. This comprehensive kit includes everything you need for a successful top-end rebuild or overbore, ensuring optimal power and efficiency...09031276- SKU:
- 09031276
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- ATV
- STROKE LENGTH IMPERIAL:
- 2-1/4'
- UNITS:
- KIT
$234.95
