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 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 93mm 11:1 Compression for Polaris RZR XP 1000 2014-2021 40128M09300
WISECO
$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
$249.95Qty in Cart: 0Quantity:Price:$249.95Subtotal: -
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 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
$394.95Qty in Cart: 0Quantity:Price:$394.95Subtotal: -
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
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
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
$136.95Upgrade 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
$136.95 -
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 -
Wiseco Piston Kit Yamaha YFZ450R 2009-2013 98mm 12.5:1 4906M09800
WISECO
$309.95Enhance your engine's performance with the WISECO Piston Kit Big Bore 4906M09800, designed for durability and efficiency. This high-quality piston kit is engineered to provide optimal power output and reliability, making it an essential upgrade for...09102845- SKU:
- 09102845
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +3,00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- DISPLACEMENT:
- 478 CC
- STROKE LENGTH METRIC:
- 62.00 MM
- DISPLACEMENT:
- 467 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 98.00 MM
$309.95 -
Wiseco Piston Kit Yamaha YFM450 Grizzly 2007-2014 4939M08450
WISECO
$224.95The WISECO Piston Kit Standard 4939M08450 is engineered for high performance and durability, making it an excellent choice for enthusiasts looking to enhance their engine's efficiency. Designed to provide optimal compression and power, this piston kit is...09102851- SKU:
- 09102851
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 75.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 420 CC
- BORE SIZE METRIC:
- 84.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- UTV
$224.95 -
Wiseco Piston Kit Yamaha YFM450 Grizzly 2007-2014 4939M08500
WISECO
$224.95The WISECO Piston Kit 4939M08500 is designed for high-performance applications, delivering exceptional durability and reliability. This kit is engineered to enhance engine performance, ensuring optimal power and efficiency. Please note that this kit does...09102852- SKU:
- 09102852
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 420 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 75.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- UTV
$224.95 -
Wiseco Piston Kit 85.50mm 11:1 Compression Yamaha YFM450 Grizzly 2007-2014 4939M08550
WISECO
$224.95Enhance the performance of your Grizzly or Rhino with the WISECO Piston Kit 4939M08550. Designed for durability and efficiency, this piston kit offers superior engineering for optimal engine function. Please note that this kit does not include a gasket...09102853- SKU:
- 09102853
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 85.50 MM
- DISPLACEMENT:
- 420 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 75.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- UTV
$224.95
