WISECO
Shop Wiseco Pistons & Engine Rebuild Kits: Forged Performance Pistons for Motorcycle, ATV & Dirt Bike at JJ Motorsports
Discover premium Wiseco performance pistons and engine components, a legendary USA-based brand founded in the 1940s and recognized worldwide as the leader in forged piston technology for motorcycles, ATVs, dirt bikes, snowmobiles, and powersports. Wiseco's advanced forging process creates ultra-strong, lightweight pistons with Pro-Lite, ArmorGlide coatings, and complete rebuild kits that deliver maximum horsepower, heat resistance, and durability for racing or street use. Trusted by top racers and builders for decades, Wiseco offers piston kits, crankshafts, top-end bearings, and full engine rebuilds engineered for precise fitment and extreme performance in Honda, Kawasaki, KTM, Yamaha, and more.
At JJ Motorsports, we stock the full line of Wiseco forged pistons and engine parts at competitive prices with fast shipping. Rebuild your 2-stroke or 4-stroke engine with the strongest pistons on the market for unbeatable reliability and power. Explore related categories such as motorcycle engines and components for full rebuilds or ATV/UTV engines and components for off-road upgrades.
Top Wiseco Products
- Wiseco Engine Rebuild Kit 52.50 mm Kawasaki KX100 1995-2013 PWR173-100 – Complete top and bottom-end rebuild kit with forged piston, crankshaft assembly, bearings, seals, gaskets, and hour meter for Kawasaki KX100 models.
- Wiseco 94mm Piston Kit with Gaskets Honda TRX450R 2004-2005 PK1068 – Complete 94.00 mm forged piston kit including rings, wrist pins, circlips, and top-end gasket set for Honda TRX450R performance rebuilds.
- Wiseco Top End Bearing 15x19x20 KTM 125 SX 1998-2021 B1013 – High-strength top-end wrist pin bearing with case-hardened construction and high-silicon aluminum alloy for extreme durability in KTM 2-stroke engines.
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 1948-1980 Harley-Davidson Big Twin 74ci 9:1 Compression K1611
WISECO
$378.95If you're rebuilding or overboring a classic Big Twin, piston quality directly impacts reliability and power output. The Wiseco K1611 delivers forged construction and precision engineering...K1611- SKU:
- K1611
- Availability:
- Ships Same Business Day
- Weight:
- 3.38 LBS
- BORE - OVERSIZE:
- +0,060'
- BORE SIZE IMPERIAL:
- 3.497'
- DISPLACEMENT:
- 1249 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.060'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- TYPE:
- TOP END
- UNITS:
- EACH
$378.95Qty in Cart: 0Quantity:Price:$378.95Subtotal: -
Wiseco Piston Kit 1948-1980 Harley-Davidson FLH 3.517in. Bore K1612
WISECO
$344.95If you're rebuilding a classic Big Twin top end or planning an overbore on your 1948-1980 Harley-Davidson FLH, the Wiseco K1612 piston kit delivers the forged strength and precision fit required for...K1612- SKU:
- K1612
- Availability:
- Ships Same Business Day
- Weight:
- 3.44 LBS
- BORE SIZE IMPERIAL:
- 3.517'
- DISPLACEMENT:
- 1263 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,080'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- BORE OVERSIZE - IMPERIAL:
- +0.080'
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- TYPE:
- TOP END
$344.95Qty in Cart: 0Quantity:Price:$344.95Subtotal: -
Wiseco Piston Kit 1978-1984 Harley-Davidson FLH K1614
WISECO
$384.95A properly rebuilt top end is fundamental to reliable Big Twin performance, and this Wiseco kit delivers the precision components needed for a complete, professional-grade rebuild. Whether you're...K1614- SKU:
- K1614
- Availability:
- Ships Same Business Day
- Weight:
- 2.81 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- DISPLACEMENT:
- 1345 CC
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
- PISTON MATERIAL:
- FORGED
- COMPRESSION RATIO IMPERIAL:
- 7.0:1
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.508'
- PISTON MATERIAL:
- ALUMINUM ALLOY
$384.95 -
Wiseco Piston Kit Yamaha YFM250R Raptor 2008-2013 81mm 11:1 4958M08100
WISECO
$224.95If you're running a Yamaha Raptor 250R and looking to unlock measurable performance gains, a quality piston kit is essential—stock pistons simply can't handle the demands of aggressive riding or...09102855- SKU:
- 09102855
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- +7.00 MM
- BORE SIZE METRIC:
- 81.00 MM
- DISPLACEMENT:
- 299 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 58.00 MM
- BORE - OVERSIZE:
- +7,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Standard Bore 80mm 10.2:1 Compression Polaris RZR 800 2008-2014 4961M08000
WISECO
$189.95If you're running a Polaris RZR 800 and want to maximize engine output without a complete overhaul, the Wiseco Piston Kit delivers the compression and durability needed for sustained performance...09102856- SKU:
- 09102856
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 80.00 MM
- STROKE LENGTH METRIC:
- 76.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 769 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit 100mm 9.9:1 Compression Yamaha YFM660F 2002-2008 4966M10000
WISECO
$224.95When you're rebuilding or refreshing your Yamaha YFM660F's engine, piston quality directly impacts power delivery, reliability, and longevity. The Wiseco 100mm piston kit delivers forged aluminum...09102859- SKU:
- 09102859
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE SIZE METRIC:
- 100.00 MM
- DISPLACEMENT:
- 660 CC
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- BORE - OVERSIZE:
- STANDARD
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Yamaha Raptor 700 2006-2014 103mm 11:1 4966M10100
WISECO
$224.95If you're running a Raptor 700 hard, your factory pistons are likely limiting your engine's potential. The Wiseco 4966M10100 piston kit delivers the durability and compression ratio (11:1) needed for...09102861- SKU:
- 09102861
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 660 CC
- STROKE LENGTH METRIC:
- 84.00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 101.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Kawasaki KFX450R 2008-2014 12.4:1 Compression 96mm 4973M09600
WISECO
$239.95If you're running a KFX450R hard—whether at the track or on the trail—a worn or damaged piston compromises compression, throttle response, and overall reliability. The Wiseco 4973M09600 piston kit...09102863- SKU:
- 09102863
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.4:1
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 62.10 MM
- DISPLACEMENT:
- 449 CC
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit Kawasaki KFX450R 2008-2014 13.4:1 Compression 4974M09600
WISECO
$260.93The stock piston in your KFX450R can only take you so far. Whether you're pushing hard at the track or running aggressive tuning on your quad, a worn or marginal piston will limit power delivery and...09102864- SKU:
- 09102864
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- 449 CC
$260.93Qty in Cart: 0Quantity:Price:$260.93Subtotal: -
Wiseco Piston Kit for Suzuki LT-R450 2006-2011 100mm 11.7:1 4985M10000
WISECO
$309.95If you're running your LT-R450 at the limit, stock pistons are your first bottleneck. The Wiseco 100mm piston kit delivers the precision engineering and material quality needed to safely support...09102865- SKU:
- 09102865
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +4,50 MM
- BORE - OVERSIZE METRIC:
- +4.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE SIZE METRIC:
- 100.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- STROKE LENGTH METRIC:
- 62.80 MM
- DISPLACEMENT:
- 493 CC
- PISTON MATERIAL:
- FORGED
$309.95Qty in Cart: 0Quantity:Price:$309.95Subtotal: -
Wiseco Piston Kit Kawasaki KX500 1988-2004 88mm 575M08800
WISECO
$244.95The Kawasaki KX500's performance hinges on reliable internal components that can withstand the demands of both trail and track riding. The Wiseco Piston Kit delivers the precision engineering and...09102866- SKU:
- 09102866
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 86.00 MM
- BORE SIZE METRIC:
- 88.00 MM
- DISPLACEMENT:
- 523 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$244.95 -
Wiseco Piston Kit Yamaha YZ125 1990-1992 594M05700
WISECO
$154.95A worn or damaged piston directly compromises your YZ125's power output, throttle response, and engine reliability. The Wiseco Pro-Lite Piston Kit restores—and exceeds—OEM performance through...09102867- SKU:
- 09102867
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 50.70 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 57.00 MM
- DISPLACEMENT:
- 129 CC
- BORE - OVERSIZE:
- +1,00 MM
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit Yamaha YFM125R Raptor 2011-2013 13:1 40071M05500
WISECO
$189.95If you're serious about extracting maximum performance from your Raptor 125, a high-compression piston kit is one of the most direct upgrades available. The Wiseco 13:1 piston kit delivers measurable...09104160- SKU:
- 09104160
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 54.95 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
$189.95 -
Wiseco Piston Kit 57.00mm Oversize for Suzuki DS125 1979-1981 449M05700
WISECO
$154.95If you're running a classic Suzuki two-stroke and need to restore compression or bump displacement, a quality piston kit is non-negotiable. Wiseco's 57.00mm oversize piston delivers the precision fit...449M05700- SKU:
- 449M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 57.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit 56.5mm for 1982-1984 Honda CR125R 448M05650
WISECO
$162.95If you're running a CR125R hard on the track or trail, piston wear directly impacts your power delivery and engine reliability. The Wiseco 56.5mm piston kit restores—or exceeds—OEM performance with...448M05650- SKU:
- 448M05650
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 56.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.44 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- DISPLACEMENT:
- 120 CC
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 50.00 MM
- UNITS:
- KIT
$162.95 -
Wiseco Piston Kit Honda CR125R 1979-1984 57.5mm Bore 448M05750
WISECO
$179.95If you're running a CR125R between 1979 and 1984, piston wear directly impacts throttle response, power delivery, and engine longevity. The Wiseco 448M05750 replaces worn or damaged pistons with a...448M05750- SKU:
- 448M05750
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 57.44 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 123 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 120 CC
- BORE SIZE METRIC:
- 57.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$179.95 -
Wiseco Piston Honda CB500F 2013-2025 4466M07300
WISECO
$210.95If you're running a Honda CB500F and want to extract measurable gains in power and reliability, a quality piston upgrade is one of the most direct paths to getting there. Wiseco's forged-aluminum...4466M07300- SKU:
- 4466M07300
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 73.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 72.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 59.50 MM
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$210.95 -
Wiseco Piston Kit 92mm 10.2:1 Compression Polaris Sportsman 500 1996-2002 4677M09200
WISECO
$224.95Whether you're rebuilding a tired Sportsman 500 or stepping up compression for added trail performance, a quality piston kit is non-negotiable. The Wiseco 4677M09200 delivers the strength and...4677M09200- SKU:
- 4677M09200
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE SIZE METRIC:
- 92 MM
- STROKE LENGTH METRIC:
- 75.00 MM
- DISPLACEMENT:
- 499 CC
- PISTON DIAMETER METRIC:
- 91.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit for 1996-2005 Polaris Sportsman 500 4x4 10.2:1 Compression 4677M09250
WISECO
$232.95If you're running a 1996-2005 Polaris Sportsman 500 4x4 hard, stock pistons won't cut it. Wiseco's high-silicon alloy construction delivers the strength and thermal stability you need for sustained...4677M09250- SKU:
- 4677M09250
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 499 CC
- PISTON DIAMETER METRIC:
- 92.45 MM
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- STROKE LENGTH METRIC:
- 75.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 92.50 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
$232.95 -
Wiseco Piston Kit for Polaris Sportsman 500 1996-2002 4677M09300
WISECO
$224.95When your Polaris Sportsman 500 is pushed to its limits—whether on the trail or at the track—your piston must deliver unwavering reliability and consistent power. A worn or compromised piston...4677M09300- SKU:
- 4677M09300
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE SIZE METRIC:
- 93.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 92.95 MM
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 499 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 75.00 MM
$224.95 -
Wiseco Piston Kit 73.50mm 10.5:1 Compression Yamaha TTR250 1999-2006 4689M07350
WISECO
$194.95Stock pistons are a limiting factor when you're pushing your TT-R250 to its limits. The Wiseco 73.50mm piston kit delivers the compression ratio and material science necessary for reliable power...4689M07350- SKU:
- 4689M07350
- Availability:
- Ships Same Business Day
- Weight:
- 0.66 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 73.50 MM
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 73.45 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- ENGINE TYPE:
- 4-STROKE
- STROKE LENGTH METRIC:
- 59.60 MM
- BORE - OVERSIZE:
- +0,50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit 95mm 12.5:1 Compression for 2000-2002 Yamaha YZ426F 4693M09500
WISECO
$239.95If you're pushing your YZ426F or WR426F to its limits, a worn or stock piston compromises both reliability and peak power output. The Wiseco Piston Kit delivers the compression ratio and engineering...4693M09500- SKU:
- 4693M09500
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 426 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 94.92 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 95.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 60.10 MM
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit Yamaha YZ465 1980-1981 1.50mm 451M08650
WISECO
$244.95If you're running a YZ465 from the early '80s, piston longevity directly impacts your race results and trail reliability. This Wiseco kit delivers the strength you need for high-RPM demands while...451M08650- SKU:
- 451M08650
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- DISPLACEMENT:
- 465 CC
- BORE - OVERSIZE:
- +1,50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
- MODEL:
- FORGED SERIES
- BORE SIZE METRIC:
- 86.50 MM
- PISTON DIAMETER METRIC:
- 86.42 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 82.00 MM
- UNITS:
- KIT
$244.95Qty in Cart: 0Quantity:Price:$244.95Subtotal: -
Wiseco Piston Kit Racer Elite Kawasaki KX250F 2015-2016 RE801M07700
WISECO
$369.95If you're serious about maximizing your KX250F's output, a quality piston kit is non-negotiable. Wiseco's Racer Elite design delivers measurable gains in throttle response and mid-range power while...09105070- SKU:
- 09105070
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- BORE SIZE METRIC:
- 77.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
$369.95 -
WISECO Piston Kit - Racer Elite - YZ250F RE802M07700
WISECO
$369.95If you're running a YZ250F, YZ250FX, or WR250F and want measurable power gains without sacrificing reliability, the Wiseco Racer Elite piston kit is engineered to deliver both. The 14.5:1 compression...09105071- SKU:
- 09105071
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- ENGINE TYPE:
- 4-STROKE
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
$369.95 -
Wiseco Piston Kit 77mm 14.5:1 for Suzuki RM-Z250 2010-2023 RE803M07700
WISECO
$369.95If you're running hard on the track or trail, your piston is working harder than any other engine component—and it's only as reliable as its design. The Wiseco Racer Elite 77mm 14.5:1 compression...09105072- SKU:
- 09105072
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
$369.95 -
Wiseco Piston Kit Yamaha YZ250 1980-1982 2mm Oversize 452M07200
WISECO
$224.95A worn or damaged piston directly limits your YZ250's performance and reliability—especially on a classic machine where finding quality replacement parts matters. The Wiseco 452M07200 restores your...452M07200- SKU:
- 452M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 71.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Honda CRF250R 2010-2015 RE810M07680
WISECO
$369.95The OEM piston in your CRF250R experiences constant thermal and mechanical stress—especially if you're pushing higher RPMs or running aggressive tuning. The Wiseco Racer Elite Piston Kit replaces...09105074- SKU:
- 09105074
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 76.80 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
$369.95Qty in Cart: 0Quantity:Price:$369.95Subtotal: -
Wiseco Piston Kit Suzuki RM80 1977-1981 456M04900
WISECO
$135.95The Wiseco 456M04900 piston kit is engineered to restore or upgrade your Suzuki RM80's top-end performance with precision-machined components built to handle the demands of aggressive riding. If...456M04900- SKU:
- 456M04900
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE SIZE METRIC:
- 49.00 MM
- DISPLACEMENT:
- 79 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON DIAMETER METRIC:
- 48.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 42.00 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$135.95Qty in Cart: 0Quantity:Price:$135.95Subtotal: -
Wiseco Piston Kit 71mm Oversize for 1981-1984 Honda FL250 Odyssey 338M07100
WISECO
$210.95The Wiseco Piston Kit 71mm Oversize is engineered to restore lost displacement and revive performance on your 1981-1984 Honda FL250 Odyssey. By stepping up to a larger bore, you'll gain measurable...338M07100- SKU:
- 338M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 71.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- DISPLACEMENT:
- 248 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 70.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.40 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$210.95 -
Wiseco Top End Bearing Honda CR125R 1988-2007 B1001
WISECO
$25.95The Wiseco B1001 top end bearing is purpose-built for the Honda CR125R, delivering the reliability and precision your engine demands at sustained high RPMs. Whether you're pushing through race...B1001- SKU:
- B1001
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- LENGTH METRIC:
- 17.3 MM
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 19 MM
- MATERIAL:
- ALUMINUM
- INSIDE DIAMETER METRIC:
- 15 MM
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- EACH
$25.95 -
Wiseco Suzuki RM125 2000-2003 Piston Kit with Gaskets 55mm PK1182
WISECO
$199.95If you're running a 2000-2003 Suzuki RM125, a worn piston directly impacts combustion efficiency, throttle response, and overall engine longevity. The Wiseco PK1182 piston kit restores compression...09030539- SKU:
- 09030539
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 124.8 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- SKIRT COATING:
- NON-COATED
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 55.00 MM
- PISTON DIAMETER METRIC:
- 54.95 MM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco YFZ450 2004-2013 Piston Kit 95mm 12.4:1 4835M09500
WISECO
$266.95If you're running a YFZ450 and demanding consistent power delivery across your RPM range, a quality piston kit is non-negotiable. The Wiseco 95mm 12.4:1 compression ratio gives you the thermal...09100393- SKU:
- 09100393
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 439 CC
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 62.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE SIZE METRIC:
- 95.00 MM
$266.95 -
Wiseco Piston Kit for 2009-2014 Polaris Outlaw 90 47mm 10.5:1 40122M04700
WISECO
$159.95If you're running a 2009-2014 Polaris Outlaw 90 and serious about performance, a worn or compromised piston directly impacts your power output, throttle response, and engine longevity. The Wiseco...09103934- SKU:
- 09103934
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- STROKE LENGTH METRIC:
- 51.00 MM
- DISPLACEMENT:
- 88,50 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 47.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
Wiseco Piston Kit Ski-Doo Summit X E-TEC 850 154 2017-2018 2465M08200
WISECO
$189.95Whether you're pushing your Summit X E-TEC 850 on the trail or hunting for podium finishes, a worn piston kit will rob you of power, compression, and reliability. The Wiseco 2465M08200 restores your...09105053- SKU:
- 09105053
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE SIZE:
- 82,00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 82.00 MM
$189.95 -
Wiseco Piston Kit 84mm 10.25:1 Compression Yamaha YFM350 Grizzly 2007-2014 4419M08400
WISECO
$194.95If you're rebuilding your YFM350 Grizzly's engine or pushing it beyond stock performance, piston quality directly impacts reliability and power delivery. Wiseco's high-silicon alloy construction...4419M08400- SKU:
- 4419M08400
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 83.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.50 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 349 CC
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 84.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Wrist Pin 12mm x 18mm x 58.20mm for Suzuki LT250R QuadRacer 1988-1992 S484
WISECO
$22.99The wrist pin is a critical load-bearing component that directly transfers combustion forces from the piston to the connecting rod—choosing the right one is essential for reliability under sustained...S484- SKU:
- S484
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH METRIC:
- 58.20 MM
- OUTSIDE DIAMETER METRIC:
- 18 MM
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal: -
Wiseco Wrist Pin 16mm x 55.25mm for Yamaha YFS200 Blaster 1988-2006 S486
WISECO
$22.99The Wiseco S486 wrist pin is engineered for Yamaha YFS200 Blaster engines that demand reliable performance under sustained high RPM and load conditions. OEM pins wear and fatigue over time,...S486- SKU:
- S486
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER METRIC:
- 24.00 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 60 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 24,00 MM
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 60 MM
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal: -
Wiseco Wrist Pin for 2023 Yamaha YZ250 S508
WISECO
$23.95The Wiseco S508 wrist pin is engineered for the demanding conditions of 2-stroke competition. This precision-engineered component handles the extreme reciprocating loads of your YZ250 S engine while...S508- SKU:
- S508
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 72 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 72 MM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
$23.95 -
Wiseco Wrist Pin 20mm x 60mm Arctic Cat 1995-1996 Bearcat 550 S512
WISECO
$22.99The Wiseco S512 wrist pin is engineered for Arctic Cat Bearcat 550 engines that demand reliability in extreme conditions. As a critical connecting component between the piston and connecting rod, a...S512X- SKU:
- S512X
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 20,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- WATERCRAFT
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 60 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 60 MM
- OUTSIDE DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal:
