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
-
VERTEX Piston Kit 23549A
VERTEX
$315.95OEM pistons wear down under sustained high-RPM operation, leading to blow-by, compression loss, and catastrophic engine failure. The VERTEX Piston Kit 23549A delivers competition-grade durability...09101740- SKU:
- 09101740
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- DISPLACEMENT:
- 450 CC
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON DIAMETER METRIC:
- 95.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STYLE:
- FORGED HIGH COMPRESSION
- UNITS:
- KIT
$315.95 -
VERTEX Piston Kit 24398B
VERTEX
$182.95A top-end rebuild demands precision components that can handle sustained high RPM loads without compromise. The VERTEX Piston Kit 24398B delivers the durability and performance reliability that...09103829- SKU:
- 09103829
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- CYLINDER DIAMETER METRIC:
- 93.00 MM
- DISPLACEMENT:
- 1000 CC
- RIDING STYLE:
- UTV
- STYLE:
- CAST REPLICA
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 92.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
$182.95Qty in Cart: 0Quantity:Price:$182.95Subtotal: -
On Sale
Wiseco Piston Kit 93mm 11:1 Compression for Polaris RZR XP 1000 2014-2021 40128M09300
WISECO
MSRP: $260.95Now: $212.00Was: $260.95If you're running a Polaris RZR XP 1000 and want measurable gains in combustion efficiency and engine durability, an OEM-quality piston upgrade is one of the most direct paths to reliable power. The...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
MSRP: $260.95Now: $212.00Was: $260.95 -
Wiseco Yamaha YFZ350 Banshee 1987-2006 66mm Piston Kit with Gasket PK143
WISECO
$394.95Stock pistons can't handle the demands of high-performance 2-stroke racing—excessive heat and pressure lead to rapid wear and lost power. The Wiseco YFZ350 Banshee piston kit delivers the strength...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
$199.95If you're running a high-mileage 400 or pushing your Xplorer to its limits on the track, factory pistons won't cut it. The Wiseco 675M08300 delivers the strength and precision engineering you need to...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
$199.95 -
Wiseco Piston Kit 67mm 9.3:1 Compression Kawasaki KLF220 Bayou 1988-2002 4670M06700
WISECO
$128.95If you're pushing your KLF220 Bayou harder than stock tolerances allow, a quality piston kit is non-negotiable—and the Wiseco 4670M06700 delivers the durability and precision you need for both trail...4670M06700- SKU:
- 4670M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 67.00 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 61.00 MM
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 66.95 MM
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 215 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
$128.95Qty in Cart: 0Quantity:Price:$128.95Subtotal: -
On Sale
Wossner Piston Kit Yamaha YFS200 Blaster 1988-2006 8101D150
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00A worn or damaged piston directly compromises engine compression, throttle response, and overall reliability—especially critical in 2-stroke applications where piston integrity is non-negotiable. The...09105529- SKU:
- 09105529
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +1.50 MM
- MODEL:
- STANDARD SERIES
- PISTON SIZE METRIC:
- 67.44 MM
- PRODUCT NAME:
- PISTON KIT
- TYPE:
- DUAL RING
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
On Sale
Wossner Yamaha YFS200 Blaster 1988-2006 Piston Kit 8101D200
WOSSNER
MSRP: $122.00Now: $115.90Was: $122.00The Wossner 8101D200 piston kit restores your YFS200 Blaster to factory specifications or serves as a reliable upgrade path for higher-load riding. With 4032 T6 forged aluminum and a permanent skirt...09105530- SKU:
- 09105530
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 68.00 MM
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PISTON SIZE METRIC:
- 67.94 MM
- TYPE:
- DUAL RING
- MODEL:
- STANDARD SERIES
- PRODUCT NAME:
- PISTON KIT
MSRP: $122.00Now: $115.90Was: $122.00Qty in Cart: 0Quantity:Price:MSRP: $122.00Now: $115.90Was: $122.00Subtotal: -
Wiseco Piston Kit 81mm Bore 10.25:1 Compression for 1985-1986 Honda ATC350X PK1015
WISECO
$250.95If you're running a 1985-1986 Honda ATC350X, factory pistons are a limiting factor in reliability and peak performance—especially if you're pushing RPMs or operating in sustained high-temperature...09030317- SKU:
- 09030317
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- PISTON DIAMETER METRIC:
- 80.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 81.00 MM
- DISPLACEMENT:
- 350.4 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 68.00 MM
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$250.95 -
Wiseco Piston Kit 83.25mm for Polaris Sportsman 400 4x4 1994-2005 PK1107
WISECO
$239.95A top-end rebuild is the foundation of reliable engine performance, and this Wiseco Piston Kit delivers everything needed for a complete, dependable restoration. The high-silicone forged construction...09030459- SKU:
- 09030459
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PISTON DIAMETER METRIC:
- 83.17 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +0.25 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,25 MM
- DISPLACEMENT:
- 400 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 83.25 MM
- MODEL:
- FORGED SERIES
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit 69mm 8.9:1 Compression for 1998-2005 Arctic Cat 300 and 1999-2002 Suzuki LT-F300F 4673M06900
WISECO
$194.95When you're pushing your Arctic Cat 300 or Suzuki LT-F300F to the limit, your factory piston becomes a bottleneck. The Wiseco 4673M06900 delivers the durability and efficiency you need to run...4673M06900- SKU:
- 4673M06900
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON DIAMETER METRIC:
- 68.95 MM
- STROKE LENGTH METRIC:
- 76.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 69.00 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 8.9:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- DISPLACEMENT:
- 280 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit 81.50 mm for 1990-1993 Polaris Trail Boss 350L 639M08150
WISECO
$199.95If you're pushing your Trail Boss 350L beyond stock limits, you need a piston that won't fail under increased boost and compression. The Wiseco +1.50 mm kit delivers forged strength and precision...639M08150- SKU:
- 639M08150
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 70.00 MM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 70,00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,50 MM
- DISPLACEMENT:
- 352 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +1.50 MM
- BORE SIZE METRIC:
- 81.50 MM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Honda CRF450R 2002 4394M06550
WISECO
$174.95When your CRF450R's piston reaches the end of its service life, you need a direct replacement that matches OEM specifications without compromising performance. Wiseco's high-silicon alloy...4394M06550- SKU:
- 4394M06550
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 199 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE SIZE METRIC:
- 65.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 65.45 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Kit Standard Bore 66mm 10.25:1 Compression Suzuki LT-4WD QuadRunner 1987-1995 4382M06600
WISECO
$174.95A worn or damaged piston compromises combustion efficiency, throttle response, and overall engine reliability—especially critical for the Suzuki LT-4WD QuadRunner. The Wiseco 4382M06600 delivers the...4382M06600- SKU:
- 4382M06600
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 66.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 67.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 229 CC
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- PISTON DIAMETER METRIC:
- 65.95 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
VERTEX Piston Kit VTKTC23532A
VERTEX
$375.95Precision-engineered pistons are the foundation of reliable high-RPM performance, and VERTEX delivers the durability your engine demands. This kit combines advanced metallurgy with proven surface...09103852- SKU:
- 09103852
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$375.95Qty in Cart: 0Quantity:Price:$375.95Subtotal: -
VERTEX Piston Kit VTKTC23522C
VERTEX
$345.95The VERTEX Piston Kit VTKTC23522C delivers the precision engineering and durability demanded by serious racers and high-performance builds. Purpose-built with advanced metallurgy and...09103851- SKU:
- 09103851
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- CYLINDER DIAMETER METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STYLE:
- CAST REPLICA
- PISTON DIAMETER METRIC:
- 95.97 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- SKIRT COATING:
- MOLYBDENUM DISULPHITE
- UNITS:
- KIT
- DISPLACEMENT:
- 450 CC
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- TOP END PISTON KIT
$345.95Qty in Cart: 0Quantity:Price:$345.95Subtotal: -
VERTEX Piston Kit VTKTC22984B-1
VERTEX
$328.95The VERTEX Piston Kit VTKTC22984B-1 delivers the durability and precision your engine demands during high-stress operation. Purpose-built with advanced heat treatment and low-friction coatings, these...09103844- SKU:
- 09103844
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
$328.95Qty in Cart: 0Quantity:Price:$328.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09800004B
ATHENA
MSRP: $311.95Now: $281.00Was: $311.95A quality piston kit is the foundation of reliable engine performance, directly impacting compression, seal integrity, and longevity under sustained load. The ATHENA Piston Kit S4F09800004B delivers...09102505- SKU:
- 09102505
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- STYLE:
- BIG BORE
- PISTON DIAMETER METRIC:
- 97.95 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PISTON SIZE METRIC:
- STANDARD SIZE B
- RIDING STYLE:
- ATV
MSRP: $311.95Now: $281.00Was: $311.95Qty in Cart: 0Quantity:Price:MSRP: $311.95Now: $281.00Was: $311.95Subtotal: -
On Sale
ATHENA Piston Kit S4F09800004A
ATHENA
MSRP: $311.95Now: $281.00Was: $311.95A piston kit is the heart of your engine's combustion cycle—precision-engineered components that directly impact compression, power delivery, and reliability. The ATHENA S4F09800004A delivers...09102504- SKU:
- 09102504
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- STYLE:
- BIG BORE
- PISTON DIAMETER METRIC:
- 97.94 MM
- PISTON SIZE METRIC:
- STANDARD SIZE A
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $311.95Now: $281.00Was: $311.95Qty in Cart: 0Quantity:Price:MSRP: $311.95Now: $281.00Was: $311.95Subtotal: -
VERTEX Piston Kit 23623B
VERTEX
$256.95Engine durability and performance start at the piston. The VERTEX Piston Kit 23623B delivers the strength and precision you need for consistent power delivery, whether you're rebuilding a tired...09102108- SKU:
- 09102108
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- PISTON MATERIAL:
- CAST
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- DISPLACEMENT:
- 700 CC
- STYLE:
- CAST REPLICA
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- 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
$256.95Qty in Cart: 0Quantity:Price:$256.95Subtotal:
