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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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...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'
$329.99Qty in Cart: 0Quantity:Price:$329.99Subtotal: -
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...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
$346.99When 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...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
$346.99 -
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...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...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'
$329.99Qty in Cart: 0Quantity:Price:$329.99Subtotal: -
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...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
$346.99When 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...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
$346.99 -
JE PISTONS Piston Kit 274195
JE PISTONS
$325.99When you're pushing your engine to the limit in competition, piston failure isn't an option—it's a catastrophe. JE PISTONS' 274195 kit delivers the strength and precision engineered specifically for...09105884- SKU:
- 09105884
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- RIDING STYLE:
- ATV
- WALL THICKNESS:
- 0,140'
- WALL THICKNESS IMPERIAL:
- 0.140'
- DISPLACEMENT:
- 249 CC
- BORE SIZE METRIC:
- 74.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
$325.99 -
JE PISTONS Piston Kit 274192
JE PISTONS
$524.99When you're pushing your engine to the absolute limit in competition, your pistons need to match your commitment to performance. JE PISTONS' Pro Series 274192 kit delivers the precision engineering...09105883- SKU:
- 09105883
- Availability:
- Ships Same Business Day
- Weight:
- 2.51 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- WALL THICKNESS:
- 0,140'
- WALL THICKNESS IMPERIAL:
- 0.140'
- PISTON HEAD SHAPE:
- DOMED
- BORE SIZE METRIC:
- 90.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 840 CC
- PRODUCT NAME:
- PISTON KIT
$524.99 -
JE PISTONS Piston Kit 247616
JE PISTONS
$309.99When you're pushing your engine to the absolute limit in competition, factory pistons won't cut it. JE PISTONS' Pro Series 247616 Kit is purpose-built for extreme applications where precision,...09105856- SKU:
- 09105856
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- DISPLACEMENT:
- 487 CC
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- PISTON KIT
- WALL THICKNESS:
- 0,160'
- WALL THICKNESS IMPERIAL:
- 0.160'
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- UNITS:
- KIT
- BORE SIZE METRIC:
- 100.00 MM
- PISTON HEAD SHAPE:
- DOMED
$309.99 -
VERTEX Piston Kit - High Compression VTKTC23553A
VERTEX
$362.95High-compression pistons demand precision engineering to survive extreme combustion pressures and sustained RPM, and the VERTEX Piston Kit VTKTC23553A delivers exactly that. Built with advanced...09103864- SKU:
- 09103864
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$362.95 -
VERTEX Piston Kit - High Compression VTKTC23551B
VERTEX
$388.95Maximum compression demands maximum durability. The VERTEX Piston Kit delivers controlled high-compression performance with heat-treated construction and factory-grade coatings designed to handle...09103860- SKU:
- 09103860
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
$388.95Qty in Cart: 0Quantity:Price:$388.95Subtotal: -
On Sale
VERTEX Piston Kit - High Compression VTKTC23548B
VERTEX
MSRP: $312.95Now: $200.00Was: $312.95High-compression pistons are critical for maximizing power output and combustion efficiency in performance engines—especially when you're running boosted applications or targeting higher RPM limits...09103856- SKU:
- 09103856
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
MSRP: $312.95Now: $200.00Was: $312.95 -
VERTEX Piston Kit - High Compression VTKTC23548A
VERTEX
$342.95Maximize combustion efficiency and peak horsepower with pistons engineered for high-compression builds. The VERTEX Piston Kit delivers the durability and precision you need to run sustained boost or...09103855- SKU:
- 09103855
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
$342.95Qty in Cart: 0Quantity:Price:$342.95Subtotal: -
VERTEX Piston Kit 23623A
VERTEX
$256.95The VERTEX Piston Kit 23623A delivers the durability and precision you need for sustained high-RPM performance, whether you're running a stock rebuild or pushing beyond factory limits. Heat-treated...09102107- SKU:
- 09102107
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 101.95 MM
- DISPLACEMENT:
- 700 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- CYLINDER DIAMETER METRIC:
- 102.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STYLE:
- CAST REPLICA
$256.95 -
VERTEX Piston Kit 23547A
VERTEX
$235.95The VERTEX Piston Kit 23547A delivers the durability and precision your engine demands during sustained high-RPM operation. Purpose-built with advanced heat treatment and a specialized skirt coating,...09101870- SKU:
- 09101870
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 73.95 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- CYLINDER DIAMETER METRIC:
- 74.00 MM
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
$235.95 -
Wiseco Piston Kit Standard Bore 99.20mm 12.5:1 Compression Polaris Predator 500 2003-2007 4807M09920
WISECO
$224.95The Wiseco Piston Kit delivers the precision engineering your Predator 500 demands, whether you're pushing hard on the track or maintaining reliability in the field. Factory pistons wear out—this...09100282- SKU:
- 09100282
- Availability:
- Ships Same Business Day
- Weight:
- 1.46 LBS
- DISPLACEMENT:
- 499 CC
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 99.20 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.60 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Kawasaki KRF750 Teryx 2008-2011 11.5:1 PK1825
WISECO
$586.15When you're pushing your KRF750 Teryx to its limits, factory pistons become the weak link. This Wiseco forged piston kit delivers the strength and thermal stability needed for sustained high-RPM...09031281- SKU:
- 09031281
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 87.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 86.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 749 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 66.00 MM
$586.15 -
Wiseco Piston Kit 2006-2014 Yamaha YZ250F PK1823
WISECO
$594.95A top-end rebuild demands precision components that won't compromise reliability when you're pushing your YZ250F to its limits. Wiseco's PK1823 kit delivers forged piston quality trusted by both...09031280- SKU:
- 09031280
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- STROKE LENGTH IMPERIAL:
- 2-5/8'
- BORE SIZE METRIC:
- 82.00 MM
- DISPLACEMENT:
- 697 CC
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- PRODUCT NAME:
- PISTON KIT
$594.95 -
Wiseco Piston Kit 92mm Bore 10.2:1 Compression Ratio for 2004-2005 Polaris ATP 500 PK1652
WISECO
$301.95If you're running a 2004-2005 Polaris ATP 500 hard, your stock piston won't cut it. The Wiseco PK1652 delivers the compression ratio and durability you need to extract real power gains while...09031274- SKU:
- 09031274
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- BORE SIZE METRIC:
- 92.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- DISPLACEMENT:
- 499 CC
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 75.00 MM
- PISTON DIAMETER METRIC:
- 91.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
$301.95
