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
-
Wiseco Piston Kit 50mm Overbore for 1987-2006 Kawasaki KFX80 673M05050
WISECO
$119.95Elevate your quad's performance with the Wiseco Piston, expertly forged from high-silicon aluminum alloy for unmatched strength and reliability. Designed for both competitive racing and trail riding, this piston promises enhanced durability and increased...673M05050- SKU:
- 673M05050
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 50.50 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 42,00 MM
- STROKE LENGTH METRIC:
- 42.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 82 CC
- ENGINE TYPE:
- 2-STROKE
$119.95 -
Wiseco Piston Kit 68.00 mm Oversize for Suzuki LT-250R QuadRacer 1988-1992 571M06800
WISECO
$204.95Elevate your racing experience with the Wiseco piston, crafted from advanced high-silicon aluminum for exceptional strength and reliability. Designed for both competitive racing and trail riding, this piston delivers enhanced durability and increased...552M06800- SKU:
- 552M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 68.00 MM
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 246,8 CC
- STROKE LENGTH:
- 70,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- UNITS:
- EACH
$204.95 -
Wiseco Piston Kit 69.00 mm Oversize for Suzuki LT-250R QuadRacer 1987 552M06900
WISECO
$229.95Elevate your racing experience with the Wiseco Piston, expertly crafted from high-silicon aluminum for unparalleled strength and reliability. Designed for both trail and competitive use, this piston maximizes horsepower and torque while ensuring...552M06900- SKU:
- 552M06900
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 69.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- 246,8 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH:
- 70,00 MM
$229.95 -
Wiseco Piston Kit 2014 Polaris RZR 800 10.2:1 PK1861
WISECO
$439.95Upgrade your RZR 800 with the WISECO Piston Kit, designed for high performance and durability. Crafted from premium high-silicone forged aluminum, this piston kit ensures optimal strength and minimal thermal expansion, making it perfect for intense...09031284- SKU:
- 09031284
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MODEL:
- FORGED SERIES
- TYPE:
- TOP END
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 769 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 79.94 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 76.50 MM
- BORE SIZE METRIC:
- 80.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$439.95 -
Wiseco Piston Kit 11.1:1 for 2008-2014 Polaris RZR 800 PK1862
WISECO
$439.95Enhance your RZR 800's performance with the WISECO Piston Kit, designed for optimal strength and efficiency. Crafted from high-silicone forged aluminum, these pistons provide exceptional durability and reduced thermal expansion, ensuring reliable...09031285- SKU:
- 09031285
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 769 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 79.94 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 76.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 80.00 MM
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$439.95 -
Wiseco Kawasaki KFX450R 2008-2014 Piston Kit PK1864
WISECO
$319.95The WISECO Piston Kit PK1864 is engineered for high-performance enthusiasts looking to enhance their engine's capabilities. This comprehensive kit includes everything you need for a successful overbore or top-end rebuild, ensuring optimal performance and...09031287- SKU:
- 09031287
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH IMPERIAL:
- 2-7/16'
- COMPRESSION RATIO IMPERIAL:
- 12.4:1
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- STANDARD
- UNITS:
- KIT
$319.95 -
Wiseco Piston Kit 82mm 11.5:1 Compression Kawasaki KFX700 2004-2009 4896M08200
WISECO
$189.95The WISECO Piston Kit Standard 4896M08200 is engineered for high performance and durability, making it an ideal choice for serious enthusiasts and racers. Designed to optimize engine efficiency, this piston kit enhances power output while ensuring a...09102840- SKU:
- 09102840
- Availability:
- Ships Same Business Day
- Weight:
- 0.96 LBS
- BORE SIZE METRIC:
- 82.00 MM
- STROKE LENGTH METRIC:
- 66.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 697 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$189.95 -
Wiseco Piston Kit 95.50mm 11.7:1 Compression Suzuki LT-R450 2006-2009 4911M09550
WISECO
$239.95Enhance the performance of your LTR450 with the WISECO Piston Kit. Designed for durability and precision, this kit ensures optimal engine efficiency and power delivery. Please note that the piston kit is sold separately from the gasket kit, allowing for...09102846- SKU:
- 09102846
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- DISPLACEMENT:
- 450 CC
- STROKE LENGTH METRIC:
- 62.80 MM
- BORE SIZE METRIC:
- 95.50 MM
$239.95 -
Wiseco Piston Kit 79.50mm for Honda TRX350 Rancher 2000-2006 4933M07950
WISECO
$224.95Upgrade your ATV's performance with the WISECO Piston Kit designed specifically for the TRX350/Rancher models. This high-quality piston kit enhances engine efficiency and power, ensuring a smoother and more reliable ride. Please note that this kit does...09102850- SKU:
- 09102850
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 79.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- DISPLACEMENT:
- 325 CC
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
$224.95 -
Wiseco Piston Kit 75mm 0.50mm Oversize for Polaris 300 1994-1995 PK1517
WISECO
$199.95Upgrade your engine's performance with the WISECO Piston Kit, expertly crafted for 2-cycle engines. This complete kit includes everything you need for a high-performance overhaul, ensuring optimal strength and durability at elevated temperatures. ...09030639- SKU:
- 09030639
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 74.92 MM
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 75.00 MM
- DISPLACEMENT:
- 283 CC
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.00 MM
$199.95 -
Wiseco 75.50mm Piston Kit for 1994-1995 Polaris 300 ATV PK1518
WISECO
$199.95Enhance your engine's performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged aluminum, these pistons offer exceptional strength and reduced thermal expansion, ensuring reliability under...09030640- SKU:
- 09030640
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE METRIC:
- 75.50 MM
- PISTON DIAMETER METRIC:
- 75.42 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 65.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 283 CC
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
$199.95 -
Wiseco 1985-1986 Suzuki LT250R QuadRacer 71mm Piston Kit with Gasket PK1531
WISECO
$264.95Upgrade your engine's performance with the WISECO Piston Kit PK1531. Crafted from high-silicone forged material, this kit offers exceptional strength and reduced thermal expansion for optimal performance at high temperatures. Complete with all necessary...09030645- SKU:
- 09030645
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 71.00 MM
- DISPLACEMENT:
- 247 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.80 MM
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 70.92 MM
- PRODUCT NAME:
- REBUILD KIT
$264.95 -
Wiseco 1985-1986 Suzuki LT250R QuadRacer 71.50mm Piston Kit PK1532
WISECO
$289.95Experience unparalleled performance with the WISECO Piston Kit, designed specifically for high-demand 2-cycle engines. Each kit includes everything you need for a complete engine rebuild, ensuring optimal strength and reliability at elevated temperatures...09030646- SKU:
- 09030646
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- DISPLACEMENT:
- 247 CC
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 71.50 MM
- PISTON DIAMETER METRIC:
- 71.42 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.80 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- PRODUCT NAME:
- REBUILD KIT
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Wiseco 91mm Piston Kit for 1998-2004 Honda TRX450 Foreman PK1591
WISECO
$254.95Experience the power and reliability of the WISECO Piston Kit, designed specifically for high-performance 2-cycle engines. Crafted from premium forged high-silicone bar stock, this kit ensures exceptional strength and minimal thermal expansion, making it...09030650- SKU:
- 09030650
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 68.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON DIAMETER METRIC:
- 90.92 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 91.00 MM
- DISPLACEMENT:
- 432 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$254.95 -
Wiseco Piston Kit Honda TRX250R 1987-1989 526M06900
WISECO
$229.95Upgrade your ATV's performance with the WISECO Piston Kit designed specifically for the ATC/TRX250 models. This high-quality piston kit enhances engine efficiency and power, ensuring a smoother ride and improved acceleration. Note that the kit does not...09101213- SKU:
- 09101213
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE METRIC:
- +3.00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 69.00 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +3,00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$229.95 -
Wiseco 2006-2009 Suzuki LT-R450 QuadRacer Piston Kit with Gaskets PK1425
WISECO
$379.95Experience unparalleled performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged material, this kit ensures exceptional strength and minimal thermal expansion, making it ideal for...09030489- SKU:
- 09030489
- Availability:
- Ships Same Business Day
- Weight:
- 1.77 LBS
- DISPLACEMENT:
- 450 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 95.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 95.50 MM
- COMPRESSION RATIO IMPERIAL:
- 13.1:1
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 62.80 MM
- TYPE:
- TOP END
$379.95 -
Wiseco Honda TRX250X 1987-1992 Piston Kit with Gaskets PK1021
WISECO
$234.95Experience unparalleled performance with the WISECO Piston Kit, designed specifically for 2-cycle engines. Crafted from high-silicone forged material, this kit ensures superior strength and minimal thermal expansion, making it ideal for high-temperature...09030491- SKU:
- 09030491
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 57.30 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- DISPLACEMENT:
- 246 CC
- PISTON DIAMETER METRIC:
- 73.95 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$234.95 -
Wiseco 68mm Piston Kit for 1987-1993 Suzuki LT230E Quad Runner PK1009
WISECO
$239.95Upgrade your engine's performance with the WISECO Piston Kit, designed specifically for 2-cycle applications. Crafted from high-silicone forged materials, this kit offers exceptional strength and reduced thermal expansion, ensuring durability and...09030492- SKU:
- 09030492
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 67.95 MM
- STROKE LENGTH METRIC:
- 67.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 68.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 229 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$239.95 -
Wiseco Yamaha YFM700R Raptor 2006-2014 Piston Kit with Gaskets PK1415
WISECO
$334.95Upgrade your engine's performance with the WISECO Piston Kit, expertly designed for 2-cycle engines. Crafted from high-silicone forged aluminum, this kit ensures exceptional strength and minimal thermal expansion, making it ideal for high-temperature...09030499- SKU:
- 09030499
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- TYPE:
- TOP END
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 102.00 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 102.00 MM
- DISPLACEMENT:
- 686 CC
- MODEL:
- FORGED SERIES
$334.95Qty in Cart: 0Quantity:Price:$334.95Subtotal: -
Wiseco Piston Kit for 1987-1996 Suzuki LT-4WD QuadRunner 250 67.00mm 10.25:1 Compression PK1012
WISECO
$229.95Experience unmatched performance with the Wiseco Piston Kit, engineered for 2-cycle engines. Crafted from high-silicone forged bar stock, this kit offers exceptional strength and reduced thermal expansion, ensuring reliability under extreme conditions. ...09030502- SKU:
- 09030502
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 67.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 66.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$229.95
