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 LT500R 1987-1990 Piston Kit 89.50mm 561M08950
WISECO
$209.95If you're rebuilding your LT500 engine or pushing harder on the track, a quality piston kit is non-negotiable—it's the foundation of reliable power delivery and longevity under load. The Wiseco LT500R piston kit combines precision engineering with...09102797- SKU:
- 09102797
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +3,50 MM
- BORE SIZE METRIC:
- 89.50 MM
- BORE - OVERSIZE METRIC:
- +3.50 MM
- DISPLACEMENT:
- 499,50 CC
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
$209.95 -
Wiseco Piston Kit Yamaha YFS200 Blaster 1988-2006 66.25mm 573M06625
WISECO
$139.95Your YFS200 Blaster demands a piston kit engineered for both reliability and performance—the Wiseco 573M06625 delivers exactly that with precision-machined construction built to handle high-combustion pressures while maintaining tight tolerances. Whether...09102798- SKU:
- 09102798
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE METRIC:
- +0.25 MM
- BORE - OVERSIZE:
- +0,25 MM
- BORE SIZE METRIC:
- 66.25 MM
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 57.00 MM
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$139.95 -
Wiseco Piston Kit Yamaha YFS200 Blaster 1988-2006 67.25mm 573M06725
WISECO
$154.95If you're running a YFS200 Blaster and want to reclaim lost compression or rebuild after wear, a quality piston kit is non-negotiable. The Wiseco 573M06725 delivers forged aluminum construction that handles sustained high-RPM operation without sacrifice,...09102800- SKU:
- 09102800
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 67.25 MM
- MODEL:
- PRO-LITE
- BORE - OVERSIZE METRIC:
- +1.25 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,25 MM
- STROKE LENGTH METRIC:
- 57.00 MM
- DISPLACEMENT:
- 202 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit 10.5:1 Yamaha YFM400F Grizzly 2007-2008 40076M08500
WISECO
$221.95If you're running a 2007-2008 Yamaha YFM400F Grizzly and want measurable performance gains, a high-compression piston kit is one of the most direct upgrades available. The Wiseco 10.5:1 compression ratio increases power output and throttle response...09103168- SKU:
- 09103168
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- DISPLACEMENT:
- 401 CC
- BORE SIZE METRIC:
- 85.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 71.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$221.95 -
Wiseco Piston Kit Yamaha YFM250 Big Bear 2007-2009 4675M07100
WISECO
$194.95When your YFM250 Big Bear's original piston is worn or damaged, a quality replacement directly impacts throttle response, compression consistency, and engine longevity. The Wiseco 4675M07100 delivers the durability and precision engineering you need for...4675M07100- SKU:
- 4675M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE SIZE METRIC:
- 71.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 8.7:1
- PISTON DIAMETER METRIC:
- 70.95 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 58.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 229.6 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit Arctic Cat 700 2009-2011 102mm 11.5:1 40080M10200
WISECO
$249.95When your Arctic Cat 700 engine takes a beating from hard riding, a worn or damaged piston compromises compression, throttle response, and overall reliability. The Wiseco Piston Kit delivers OEM-quality precision engineering with lightweight construction...09103170- SKU:
- 09103170
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 85.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 102.00 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- 700 CC
$249.95Qty in Cart: 0Quantity:Price:$249.95Subtotal: -
Wiseco Piston +1.00 mm Yamaha Banshee 350 4x2 1987-2006 795M06500
WISECO
$171.95If you're serious about extracting maximum performance from your Yamaha Banshee 350, you need a piston engineered to handle the demands of competitive racing and high-rpm abuse. The Wiseco +1.00 mm piston delivers a complete top-end solution with forged...795M06500- SKU:
- 795M06500
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 65.00 MM
- DISPLACEMENT:
- 358 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$171.95 -
Wiseco Yamaha YFZ350 Banshee 1987-2006 64.50mm Piston Kit 795M06450
WISECO
$171.95Whether you're rebuilding a tired YFZ350 or pushing your Banshee to its limit, a quality piston is non-negotiable for reliable power delivery and longevity. The Wiseco 795M06450 is engineered with high-silicon alloy construction to withstand the extreme...795M06450- SKU:
- 795M06450
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 64.50 MM
- DISPLACEMENT:
- 352 CC
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- RACER'S CHOICE
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$171.95Qty in Cart: 0Quantity:Price:$171.95Subtotal: -
Wiseco Piston Kit 74mm Oversize for Polaris Trail Blazer 1990-2006 536M07400
WISECO
$174.95If you're running a Polaris Trail Blazer and want measurable gains in power and durability, a proper piston upgrade is non-negotiable. The Wiseco 74mm oversize kit delivers the compression ratio and material science needed to handle both aggressive trail...536M07400- SKU:
- 536M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 74.00 MM
- PRODUCT NAME:
- PISTON
- DISPLACEMENT:
- 244 CC
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 60,00 MM
- UNITS:
- EACH
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco 85mm 11:1 Piston Kit for Honda TRX400X 2009-2014 4628M08500
WISECO
$238.95When you're pushing your TRX400X to its limits on the track or trail, your factory piston won't cut it. The Wiseco 85mm 11:1 kit delivers the compression ratio and material science you need to extract real horsepower while maintaining the reliability...4628M08500- SKU:
- 4628M08500
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 397 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 84.95 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$238.95 -
Wiseco Piston Honda CRF450R 2002-2008 4393M08200
WISECO
$212.95The Wiseco Piston for Honda CRF450R 2002-2008 is engineered to deliver reliable power and durability in both high-RPM racing and demanding trail conditions. Built from high-silicon alloy, it maintains structural integrity under extreme combustion...4393M08200- SKU:
- 4393M08200
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 81.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE SIZE METRIC:
- 82.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 350.4 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$212.95Qty in Cart: 0Quantity:Price:$212.95Subtotal: -
Wiseco Piston Kit Honda CRF450R 2002-2008 12.01:1 Compression 4362M06500
WISECO
$177.95When your CRF450R demands peak performance, piston quality directly determines engine reliability and horsepower delivery. Wiseco's high-silicon alloy construction withstands the extreme combustion pressures of trail riding and racing alike, while the 12...4362M06500- SKU:
- 4362M06500
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- STROKE LENGTH METRIC:
- 57.80 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 191.8 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE SIZE METRIC:
- 65.00 MM
- PISTON DIAMETER METRIC:
- 64.95 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$177.95Qty in Cart: 0Quantity:Price:$177.95Subtotal: -
JE PISTONS Piston Kit 284765
JE PISTONS
$329.99When you're pushing your engine to its limits in competition or high-performance applications, your pistons need to handle extreme pressures and temperatures without compromise. JE PISTONS' Pro Series 284765 kit combines precision engineering with...09105896- SKU:
- 09105896
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- WALL THICKNESS:
- 0,150'
- PISTON HEAD SHAPE:
- DISHED
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 105.50 MM
- DISPLACEMENT:
- 735 CC
- UNITS:
- KIT
- WALL THICKNESS IMPERIAL:
- 0.150'
$329.99Qty in Cart: 0Quantity:Price:$329.99Subtotal: -
JE PISTONS Piston Kit 284685
JE PISTONS
$329.99When you're pushing your engine to the absolute limit in competition, your pistons need to handle extreme pressures without compromise. JE Pistons' 2618-T6 forged aluminum construction delivers the strength and reliability demanded by professional racers...09105895- SKU:
- 09105895
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- DISPLACEMENT:
- 449 CC
- WALL THICKNESS:
- 0,160'
- PISTON HEAD SHAPE:
- DISHED
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 95.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- UNITS:
- KIT
- WALL THICKNESS IMPERIAL:
- 0.160'
$329.99 -
JE PISTONS Piston Kit 284682
JE PISTONS
$329.99When you're pushing your engine to the absolute limit in competition, your pistons need to survive extreme combustion pressures and temperatures without compromise. JE PISTONS' Pro Series 284682 kit delivers the durability and precision that separates...09105894- SKU:
- 09105894
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- PISTON KIT
- WALL THICKNESS:
- 0,150'
- WALL THICKNESS IMPERIAL:
- 0.150'
- PISTON HEAD SHAPE:
- DOMED
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$329.99 -
JE PISTONS Piston Kit 284681
JE PISTONS
$329.99When you're pushing your engine to its absolute limits—whether on the track or in competition—piston durability and precision become non-negotiable. JE PISTONS' 284681 kit delivers the engineering excellence that professional racers depend on, with...09105893- SKU:
- 09105893
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 13.8:1
- PISTON HEAD SHAPE:
- DOMED
- BORE SIZE METRIC:
- 94.00 MM
- WALL THICKNESS:
- 0,150'
- WALL THICKNESS IMPERIAL:
- 0.150'
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$329.99 -
JE PISTONS Piston Kit 284680
JE PISTONS
$329.99When you're pushing your engine to the absolute limit in competition, your pistons need to withstand extreme pressures and temperatures without compromise. JE Pistons' 284680 Kit delivers the precision engineering and durability that professional racers...09105892- SKU:
- 09105892
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- PISTON KIT
- WALL THICKNESS:
- 0,150'
- WALL THICKNESS IMPERIAL:
- 0.150'
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 94.00 MM
- RIDING STYLE:
- ATV
$329.99 -
JE PISTONS Piston Kit 284679
JE PISTONS
$329.99When you're running extreme competition builds, factory pistons become a liability. JE Pistons' Pro Series 284679 kit is engineered specifically for professional racing applications, delivering the strength and precision needed to survive high boost,...09105891- SKU:
- 09105891
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PRODUCT NAME:
- PISTON KIT
- WALL THICKNESS IMPERIAL:
- 0.150'
- DISPLACEMENT:
- 449 CC
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- BORE SIZE METRIC:
- 94.00 MM
- RIDING STYLE:
- ATV
- WALL THICKNESS:
- 0,150'
$329.99 -
JE PISTONS Piston Kit 281815
JE PISTONS
$524.99When you're running at the edge of performance limits, your pistons need to match your commitment to precision and durability. JE Pistons' 281815 kit delivers the metallurgical advantage and internal engineering that separates competitors from the rest...09105889- SKU:
- 09105889
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- BORE SIZE METRIC:
- 80.00 MM
- RIDING STYLE:
- UTV
- WALL THICKNESS:
- 0,140'
- PISTON HEAD SHAPE:
- DISHED
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- WALL THICKNESS IMPERIAL:
- 0.140'
- COMPRESSION RATIO IMPERIAL:
- 10.75:1
- DISPLACEMENT:
- 760 CC
- UNITS:
- KIT
$524.99 -
JE PISTONS Piston Kit 274209
JE PISTONS
$329.99When you're pushing your engine to the limit in professional competition, your pistons need to be engineered for extreme duty—not just capable of surviving, but optimized for maximum performance under sustained stress. JE PISTONS' Pro Series 274209 kit...09105885- SKU:
- 09105885
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- BORE SIZE METRIC:
- 95.00 MM
- PISTON HEAD SHAPE:
- DOMED
- PRODUCT NAME:
- PISTON KIT
- WALL THICKNESS:
- 0,160'
- WALL THICKNESS IMPERIAL:
- 0.160'
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- DISPLACEMENT:
- 449 CC
- UNITS:
- KIT
- RIDING STYLE:
- ATV
$329.99
