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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VERTEX Piston Kit 23532A
VERTEX
$292.95All 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 life09101840- SKU:
- 09101840
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
$292.95 -
VERTEX Piston Kit - Standard 23162
VERTEX
$193.95All 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 life09101065- SKU:
- 09101065
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- CYLINDER DIAMETER METRIC:
- 85.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- DISPLACEMENT:
- 400 CC
- PISTON DIAMETER METRIC:
- 84.95 MM
- PISTON SIZE METRIC:
- STANDARD
$193.95 -
VERTEX Piston Kit 23162050
VERTEX
$181.95All 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 life09101066- SKU:
- 09101066
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- DISPLACEMENT:
- 400 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 85.47 MM
- UNITS:
- KIT
- CYLINDER DIAMETER METRIC:
- 85.50 MM
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
$181.95 -
VERTEX Piston Kit 24024C
VERTEX
$117.95All 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 life09103825- SKU:
- 09103825
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$117.95Qty in Cart: 0Quantity:Price:$117.95Subtotal: -
On Sale
VERTEX Piston Kit - High Compression 24025B
VERTEX
MSRP: $195.95Now: $127.00Was: $195.95All 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 life09103827- SKU:
- 09103827
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- CYLINDER DIAMETER METRIC:
- 85.00 MM
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 12.1:1
- DISPLACEMENT:
- 750 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 84.96 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
MSRP: $195.95Now: $127.00Was: $195.95Qty in Cart: 0Quantity:Price:MSRP: $195.95Now: $127.00Was: $195.95Subtotal: -
VERTEX Piston Kit 24028A
VERTEX
$268.95All 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...09103831- SKU:
- 09103831
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 92.96 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 1000 CC
- RIDING STYLE:
- UTV
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
$268.95 -
VERTEX Piston Kit VTKTC22951B-1
VERTEX
$322.95All 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 life09103839- SKU:
- 09103839
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
$322.95 -
VERTEX Piston Kit VTKTC23623A
VERTEX
$316.95All 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 life09103867- SKU:
- 09103867
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 101.95 MM
- DISPLACEMENT:
- 700 CC
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- CYLINDER DIAMETER METRIC:
- 102.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- STYLE:
- CAST REPLICA
$316.95 -
VERTEX Piston Kit VTKTC23623B
VERTEX
$307.95All 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 life09103868- SKU:
- 09103868
- Availability:
- Ships Same Business Day
- Weight:
- 1.57 LBS
- PISTON MATERIAL:
- CAST
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- DISPLACEMENT:
- 700 CC
- PRODUCT NAME:
- TOP END PISTON KIT
- STYLE:
- CAST REPLICA
- 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
$307.95 -
VERTEX Piston Kit VTKTC23908A
VERTEX
$559.95All 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 life09103870- SKU:
- 09103870
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
$559.95 -
Wiseco Piston 100.5mm 11:1 Compression Yamaha YFM660R 2001-2005 4737M10050
WISECO
$249.95Engineered for performance and durability, the Wiseco Piston 4737M10050 is crafted from a high-silicon alloy, ensuring exceptional strength for both trail and racing applications. This piston is designed to enhance your engine's efficiency and power,...4737M10050- SKU:
- 4737M10050
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 660 CC
- UNITS:
- KIT
- BORE SIZE METRIC:
- 100.50 MM
- PISTON DIAMETER METRIC:
- 100.42 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- ARMORGLIDE®
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
$249.95 -
Wiseco Piston Kit for Yamaha YFZ350 Banshee 1987-2006 PK141
WISECO
$369.95Elevate your engine's performance with the WISECO Piston Kit, expertly crafted for 2-cycle engines. This kit includes everything you need for a complete top-end rebuild, ensuring reliability and power in every ride. High-performance forged pistons...09030618- SKU:
- 09030618
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- BORE - OVERSIZE:
- +1,00 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 65.00 MM
- DISPLACEMENT:
- 358 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 64.92 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$369.95 -
Wiseco Yamaha YFM700 Grizzly 2007-2013 Piston Kit with Gasket PK1420
WISECO
$334.95Upgrade your engine's performance with the WISECO Piston Kit, designed for optimal power and durability. This complete kit includes everything you need for a high-performance rebuild, ensuring your engine operates at its best. Engineered from...09030619- SKU:
- 09030619
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- BORE - OVERSIZE:
- +1,00 MM
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 103.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 700 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 102.94 MM
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 84.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
$334.95 -
Wiseco Piston Kit 83.50mm Oversize for 1995-2001 Polaris Xplorer 400 4x4 675M08350
WISECO
$184.95Experience unparalleled performance with the WISECO Piston, meticulously crafted from high-silicon aluminum alloy. Designed for both trail and racing applications, this piston ensures exceptional strength and reliability, delivering enhanced horsepower...675M08350- SKU:
- 675M08350
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 400 CC
- STROKE LENGTH:
- 70,00 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE SIZE METRIC:
- 83.50 MM
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$184.95 -
Wiseco Piston Kit 84.00mm for Polaris Big Boss 400L 6X6 1995-1997 675M08400
WISECO
$184.95Experience unparalleled performance with the WISECO Piston, engineered for both trail and racing enthusiasts. Crafted from high-silicon aluminum alloy, this piston ensures exceptional strength and reliability while maximizing horsepower and torque. ...675M08400- SKU:
- 675M08400
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 70,00 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- DISPLACEMENT:
- 400 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 84.00 MM
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +1.00 MM
$184.95 -
Wiseco Piston Kit 84.50mm for Polaris Sportsman 400 4x4 2001-2003 675M08450
WISECO
$199.95Unlock unparalleled performance with the Wiseco Piston, engineered from high-silicon aluminum alloy for exceptional strength and reliability. Designed for both trail and racing applications, this piston enhances durability and maximizes horsepower,...675M08450- SKU:
- 675M08450
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- 400 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,00 MM
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 84.50 MM
- STROKE LENGTH METRIC:
- 70.00 MM
$199.95 -
Wiseco Piston Kit 85.00mm Oversize for Polaris Big Boss 400L 6X6 1995-1997 675M08500
WISECO
$199.95Experience unparalleled performance with the WISECO +2.00 mm piston, engineered for both trail and racing enthusiasts. Crafted from a high-silicon aluminum alloy, this piston guarantees exceptional strength and durability while maximizing horsepower and...675M08500- SKU:
- 675M08500
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 400 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH:
- 70,00 MM
$199.95 -
Wiseco Piston Standard Yamaha Banshee 350 4x2 1987-2006 795M06400
WISECO
$154.95Unlock the potential of your Yamaha Banshee 350 with the Wiseco High-Performance Piston. Crafted from advanced high-silicon aluminum alloy, this piston enhances durability and power output, making it an ideal choice for both competitive racing and trail...795M06400- SKU:
- 795M06400
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- DISPLACEMENT:
- 346 CC
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE SIZE METRIC:
- 64.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 54,00 MM
$154.95 -
Wiseco Piston Kit 75.50mm 11:1 Compression Honda TRX300EX 1993-2008 4574M07550
WISECO
$209.95Upgrade your engine's performance with the WISECO Piston Kit, designed for precision and durability. This kit is perfect for those seeking enhanced power and efficiency without the hassle of a gasket kit. Experience the quality and reliability that...09100377- SKU:
- 09100377
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 293 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 65.50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 75.50 MM
- BORE - OVERSIZE:
- +1,50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$209.95 -
Wiseco Piston Kit 52.00mm Standard Bore for 2001-2005 Polaris Sportsman 90 839M05200
WISECO
$119.95The WISECO Piston Kit Standard 839M05200 is engineered for optimal performance and reliability in high-demand environments. Designed for easy installation, this piston kit enhances engine efficiency and power output, making it an excellent choice for...09100381- SKU:
- 09100381
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 89 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 41.90 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 52.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$119.95
