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 57mm 11:1 Compression for Kawasaki KLX125 2002-2006 4815M05700
WISECO
$154.95Stock pistons limit your KLX125's potential, especially when you're pushing harder on the trail or track. The Wiseco 57mm piston kit delivers a measurable bump in compression ratio and RPM...09100359- SKU:
- 09100359
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 57.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 48.80 MM
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit Yamaha YZ250 2002-2016 808M06640
WISECO
$209.95Stock pistons wear faster under racing conditions, compromising compression and throttle response when you need them most. The Wiseco Piston Kit restores—and exceeds—factory performance through...09100367- SKU:
- 09100367
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- DISPLACEMENT:
- 249.3 CC
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- RACER'S CHOICE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
$209.95Qty in Cart: 0Quantity:Price:$209.95Subtotal: -
Wiseco Piston Kit 66.75mm for Yamaha YFS200 Blaster 1988-2006 573M06675
WISECO
$155.95If you're running a YFS200 Blaster and want to restore lost compression or build more power, a quality piston kit is essential. The Wiseco 66.75mm piston delivers the precision fit and material...09102799- SKU:
- 09102799
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- +0,75 MM
- BORE - OVERSIZE METRIC:
- +0.75 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 66.75 MM
- DISPLACEMENT:
- 195 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 57.00 MM
$155.95 -
Wiseco Piston Kit with Gasket for Suzuki LT250R 1985-1986 72.00 mm PK1533
WISECO
$289.95Stock pistons can't handle the demands of high-performance 2-stroke racing, especially in a machine as aggressive as the LT250R. The Wiseco PK1533 kit delivers the thermal stability and durability...09030647- SKU:
- 09030647
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- PISTON DIAMETER METRIC:
- 71.92 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 247 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.80 MM
- UNITS:
- KIT
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Wiseco Piston Kit Yamaha YFZ450 2004-2013 11.4:1 Compression 4865M09500
WISECO
$243.95If you're serious about maximizing your YFZ450's power output and reliability, a quality piston kit is non-negotiable. Wiseco's forged-aluminum construction handles sustained high RPM and boost...09101668- SKU:
- 09101668
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- BORE SIZE METRIC:
- 95.00 MM
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 62.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- DISPLACEMENT:
- 439 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
$243.95 -
Wiseco Piston Kit 95.5mm 13:1 Suzuki LT-R450 2006-2011 4912M09550
WISECO
$274.95If you're rebuilding your LT-R 450 or pushing it to its limits on the track, a worn or damaged piston directly kills your power output and reliability. The Wiseco 95.5mm piston kit delivers the...09101672- SKU:
- 09101672
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- BORE SIZE METRIC:
- 95.50 MM
- DISPLACEMENT:
- 450 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 62.80 MM
- UNITS:
- EACH
$274.95Qty in Cart: 0Quantity:Price:$274.95Subtotal: -
Wiseco Piston Kit for Polaris Sportsman 400 4x4 1994-1996 PK1111
WISECO
$254.95When your Polaris Sportsman 400's engine is due for a complete rebuild, settling for incomplete or mismatched components means risking poor compression, premature wear, and inconsistent performance...09030463- SKU:
- 09030463
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON DIAMETER METRIC:
- 84.92 MM
- PISTON SIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 400 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
$254.95Qty in Cart: 0Quantity:Price:$254.95Subtotal: -
Wiseco 87mm Piston Kit for Honda TRX400EX 1999-2008 PK1039
WISECO
$349.95When your TRX400EX's top-end shows signs of wear or you're ready to unlock additional performance, a quality piston kit is non-negotiable. Wiseco's forged construction delivers the strength and...09030473- SKU:
- 09030473
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 397 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 87.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 86.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco 77mm Piston Kit for 1986-2004 Honda XR250R 4466M07700
WISECO
$219.95If you're running an XR250R hard on the trail or track, your factory piston is likely the weakest link in your engine. This Wiseco kit replaces it with a high-silicon aluminum forging that handles...09100754- SKU:
- 09100754
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 250 CC
- BORE - OVERSIZE:
- +4,00 MM
- BORE - OVERSIZE METRIC:
- +4.00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 77.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 59.50 MM
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
Wiseco Piston Kit Standard 78mm 13.5:1 Honda CRF250R 2004-2007 4852M07800
WISECO
$266.95Stock pistons wear faster and limit your CRF250R's potential—a quality replacement is essential for maintaining compression, power delivery, and engine longevity. The Wiseco 13.5:1 piston kit...09100756- SKU:
- 09100756
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- BORE SIZE METRIC:
- 78.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 249 CC
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 52.20 MM
- UNITS:
- EACH
$266.95 -
Wiseco Piston Kit Standard Kawasaki KX65 2000-2020 861M04450
WISECO
$134.95Stock pistons are a limiting factor for any KX65 owner serious about performance. The Wiseco Piston Kit replaces the weak link with a precision-engineered component that improves combustion...09100761- SKU:
- 09100761
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 44.50 MM
- PRODUCT NAME:
- PISTON
- DISPLACEMENT:
- 64 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 41.60 MM
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit 2004-2017 Harley-Davidson XL1200 0.020" K1748
WISECO
$424.95A top-end rebuild demands precision components that can handle sustained performance demands, and the Wiseco Piston Kit delivers exactly that. This complete kit eliminates the guesswork of sourcing...09030585- SKU:
- 09030585
- Availability:
- Ships Same Business Day
- Weight:
- 2.24 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- DISPLACEMENT:
- 1200 CC
- BORE - OVERSIZE:
- +0,020'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE IMPERIAL:
- 3.498'
- TYPE:
- TOP END
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
$424.95Qty in Cart: 0Quantity:Price:$424.95Subtotal: -
Wiseco Piston Kit Standard Bore 47mm KTM 85 SX 2003-2021 855M04700
WISECO
$132.95The Wiseco Piston Kit is engineered for KTM 85 SX riders who demand reliability and consistent performance from their two-stroke engine. A worn or compromised piston directly impacts throttle...09030586- SKU:
- 09030586
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 85 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE SIZE METRIC:
- 47.00 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 48.95 MM
$132.95 -
Wiseco Piston Kit Standard 95mm 12:1 Compression KTM 450 SX-F 2003-2006 4805M09500
WISECO
$254.95If you're running a KTM 450 SX-F from 2003-2006 and want measurable gains in peak horsepower and throttle response, a high-compression piston kit is one of the most direct bolt-on upgrades available...09100784- SKU:
- 09100784
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 95.00 MM
- DISPLACEMENT:
- 449 CC
- STROKE LENGTH METRIC:
- 63.40 MM
$254.95Qty in Cart: 0Quantity:Price:$254.95Subtotal: -
Wiseco Honda CB750K 1969-1978 Big Bore Kit K836
WISECO
$854.95The Wiseco K836 Big Bore Kit transforms your Honda CB750K from a classic cruiser into a serious performer. By increasing displacement and optimizing combustion dynamics, you'll gain measurable...K836- SKU:
- K836
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 65.00 MM
- DISPLACEMENT:
- 836 CC
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 63.00 MM
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- BORE - OVERSIZE:
- +3,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
$854.95Qty in Cart: 0Quantity:Price:$854.95Subtotal: -
Wiseco Piston Kit 1972-1985 Harley-Davidson Sportster XLH K1604
WISECO
$344.95When you're rebuilding a classic Sportster or pushing for higher displacement, piston quality directly impacts engine longevity and reliability. The Wiseco K1604 kit gives you forged pistons...K1604- SKU:
- K1604
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 1022 CC
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- BORE - OVERSIZE:
- +0,040'
- BORE SIZE IMPERIAL:
- 3.228'
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
$344.95Qty in Cart: 0Quantity:Price:$344.95Subtotal: -
Wiseco Piston Kit 1948-1964 Harley-Davidson FLHFB Electra Glide K1606
WISECO
$378.95A top-end rebuild is the foundation of reliable, high-performance motorcycle operation—and this Wiseco Piston Kit gives you everything needed for a professional-quality job. Whether you're restoring...K1606- SKU:
- K1606
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- DISPLACEMENT:
- 1213 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- BORE SIZE IMPERIAL:
- 3.447'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- STREET
$378.95 -
Wiseco Piston Kit 1978-1984 Harley-Davidson FLH K1615
WISECO
$384.95A top-end rebuild on your classic Big Twin demands pistons engineered for reliability and performance—and Wiseco's high-silicon aluminum construction delivers both. This complete kit eliminates the...K1615- SKU:
- K1615
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- BORE - OVERSIZE:
- +0,020'
- DISPLACEMENT:
- 1353 CC
- COMPRESSION RATIO IMPERIAL:
- 7.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- FORGED
- BORE SIZE IMPERIAL:
- 3.518'
$384.95Qty in Cart: 0Quantity:Price:$384.95Subtotal: -
Wiseco Piston Kit Yamaha XT250 2013-2022 74mm 10.5:1 4951M07400
WISECO
$224.95The Wiseco Piston Kit 4951M07400 delivers the precision engineering your XT250 demands for reliable performance across high-heat, high-stress riding conditions. OEM-spec pistons lose efficiency over...09102854- SKU:
- 09102854
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 74.00 MM
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH METRIC:
- 58.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit for Polaris RZR 800 2008-2014 4962M08000
WISECO
$189.95If you're running a Polaris RZR 800 and pushing it hard on the trail or track, your factory pistons are likely the weak point limiting your engine's potential. Wiseco pistons deliver the precision...09102857- SKU:
- 09102857
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 80.00 MM
- STROKE LENGTH METRIC:
- 76.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 769 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit Yamaha Raptor 700 2006-2014 11:1 Compression 4966M10050
WISECO
$224.95If you're running a high-mileage Raptor 700 or preparing for serious trail and competition use, a worn piston kit directly impacts engine reliability and power delivery. The Wiseco 4966M10050...09102860- SKU:
- 09102860
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 100.50 MM
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH METRIC:
- 84.00 MM
- DISPLACEMENT:
- 666 CC
- 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 Yamaha YFM700R Raptor 2006-2014 102mm 11:1 4903M10200
WISECO
$249.95When your Raptor's factory piston can't handle increased boost or extended high-RPM use, a quality replacement becomes essential for maintaining reliability and power delivery. The Wiseco Piston Kit...09102862- SKU:
- 09102862
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 102.00 MM
- DISPLACEMENT:
- 660 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
$249.95 -
Wiseco Piston Honda CRF450R 2002-2008 4466M07350
WISECO
$194.95Your CRF450R's stock piston may handle everyday riding, but if you're pushing harder—whether on the track or in aggressive trail conditions—wear and loss of compression will eventually rob you of...4466M07350- SKU:
- 4466M07350
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PISTON DIAMETER METRIC:
- 73.45 MM
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 73.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 59.50 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Honda CRF450R 2002-2008 4466M07400
WISECO
$210.95A worn or damaged piston directly compromises your engine's compression, power delivery, and reliability—making a quality rebuild essential for any serious rider. The Wiseco Piston Kit delivers the...4466M07400- SKU:
- 4466M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 74.00 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 73.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 59.50 MM
$210.95 -
Wiseco Piston Yamaha XV750 Virago 1981 4419M08300
WISECO
$194.95When your XV750 Virago demands reliable top-end performance, a quality piston is non-negotiable. The Wiseco 4419M08300 delivers the strength and precision your engine needs, whether you're cruising...4419M08300- SKU:
- 4419M08300
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 83.00 MM
- PISTON DIAMETER METRIC:
- 82.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 349 CC
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.50 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 Piston Kit Yamaha YFM350 Grizzly 2007-2014 0.50mm 4419M08350
WISECO
$194.95A piston kit is the foundation of reliable engine performance—wear or damage here cascades into catastrophic failure. The Wiseco 0.50mm oversize piston for your YFM350 Grizzly delivers the durability...4419M08350- SKU:
- 4419M08350
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 349 CC
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 83.50 MM
- PISTON DIAMETER METRIC:
- 83.45 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH METRIC:
- 64.50 MM
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit 67mm 1980-1982 Kawasaki KDX175 469M06700
WISECO
$154.95Stock pistons wear out—and when they do, your KDX175's compression, throttle response, and reliability suffer. The Wiseco 469M06700 restores lost performance while delivering the durability...469M06700- SKU:
- 469M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 173 CC
- PISTON DIAMETER METRIC:
- 66.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 50.60 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco 54mm Piston Ring Set for Honda CR125R 1987-2007 2126CS
WISECO
$25.95A quality piston ring set is critical to engine longevity and performance—it's the seal between your piston and cylinder wall that prevents blow-by and oil consumption. The Wiseco 2126CS delivers...2126CS- SKU:
- 2126CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
$25.95 -
Wiseco Piston +0.50 mm Yamaha Blaster 200 4x2 1988-2006 573M06650
WISECO
$155.95If you're running a Yamaha Blaster 200 and serious about extracting real power gains, a properly sized piston upgrade is essential—and the Wiseco +0.50 mm piston delivers measurable increases in...573M06650- SKU:
- 573M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 195 CC
- RIDING STYLE:
- ATV
- STROKE LENGTH:
- 57,00 MM
- STROKE LENGTH METRIC:
- 57.00 MM
$155.95 -
Wiseco Wrist Pin Arctic Cat Cheetah 500 F/C 1986-1988 S513
WISECO
$23.95The Wiseco S513 wrist pin is engineered to handle the demands of high-RPM Arctic Cat Cheetah 500 engines, delivering the reliability you need whether you're racing competitively or pushing...S513- SKU:
- S513
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 18,00 MM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- LENGTH:
- 58,5 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- WATERCRAFT
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH METRIC:
- 58.5 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
$23.95 -
Wiseco Wrist Pin 1987-2005 Kawasaki KX125 S514
WISECO
$23.95The Wiseco Wrist Pin S514 is engineered specifically for 1987-2005 Kawasaki KX125 applications, delivering the precision fit and durability required for high-RPM two-stroke racing. If you're running...S514- SKU:
- S514
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- OUTSIDE DIAMETER:
- 16,00 MM
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 16.00 MM
- LENGTH METRIC:
- 50.6 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- LENGTH:
- 50,6 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$23.95 -
Wiseco Piston Kit Kawasaki KX250 1993-2001 RE926M06640
WISECO
$249.95Your KX250's engine demands a piston built to handle the intense heat, pressure, and detonation cycles of competitive riding. The Wiseco RE926M06640 piston kit delivers the precision fit and...09105097- SKU:
- 09105097
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- TYPE:
- RACER ELITE
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON KIT
$249.95Qty in Cart: 0Quantity:Price:$249.95Subtotal: -
Wiseco Piston Kit with Gaskets Kawasaki KX250 1993-2001 PK1290
WISECO
$269.95The Wiseco PK1290 piston kit restores your KX250's combustion efficiency and throttle response, whether you're chasing lap times or weekend trail rides. Factory pistons wear, lose compression, and...09030254- SKU:
- 09030254
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 2-STROKE
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +1,10 MM
- DISPLACEMENT:
- 249 CC
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 67.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +1.10 MM
- BORE SIZE METRIC:
- 67.50 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
$269.95Qty in Cart: 0Quantity:Price:$269.95Subtotal: -
WISECO Piston - +1.00 mm - Honda ATC 250 R/TRX250R/CR250R 526M06700
WISECO
$232.95If you're running a Honda ATC250R, TRX250R, or CR250R at the edge of its limits, a worn or stock piston is costing you power and reliability. The Wiseco +1.00 mm oversized piston delivers the...526M06700- SKU:
- 526M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 72,00 MM
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$232.95 -
On Sale
Wiseco Piston Kit for Suzuki PE 125 1980-1984 490M06300
WISECO
MSRP: $154.95Now: $132.00Was: $154.95If you're running a Suzuki PE 125 two-stroke, piston wear is inevitable—and it directly impacts compression, throttle response, and overall engine reliability. A quality piston kit restores lost...490M06300- SKU:
- 490M06300
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- STROKE LENGTH:
- 57,00 MM
- BORE SIZE METRIC:
- 63.00 MM
- DISPLACEMENT:
- 172 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 57.00 MM
MSRP: $154.95Now: $132.00Was: $154.95Qty in Cart: 0Quantity:Price:MSRP: $154.95Now: $132.00Was: $154.95Subtotal: -
On Sale
Wiseco Piston Kit 67mm Bore 1985-1986 Honda ATC250R TRX250R PK1077
WISECO
MSRP: $259.95Now: $221.00Was: $259.95If you're rebuilding the top end of your Honda ATC250R or TRX250R, you need pistons engineered to handle sustained high RPM and aggressive riding conditions. Wiseco's forged aluminum construction...09030341- SKU:
- 09030341
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- TYPE:
- TOP END
- MODEL:
- PRO-LITE
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- DISPLACEMENT:
- 246 CC
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 66.92 MM
- PRODUCT NAME:
- REBUILD KIT
MSRP: $259.95Now: $221.00Was: $259.95Qty in Cart: 0Quantity:Price:MSRP: $259.95Now: $221.00Was: $259.95Subtotal: -
On Sale
Wiseco Piston Kit for Suzuki LT80 1987-2006 PK1099
WISECO
MSRP: $182.95Now: $144.00Was: $182.95The stock piston in your LT80 is the weak link holding back peak performance and reliability. Wiseco's forged piston kit delivers the strength needed for sustained high RPM operation and competitive...09030343- SKU:
- 09030343
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE SIZE METRIC:
- 50.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
- DISPLACEMENT:
- 82 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- PISTON DIAMETER METRIC:
- 49.92 MM
- PRODUCT NAME:
- REBUILD KIT
MSRP: $182.95Now: $144.00Was: $182.95Qty in Cart: 0Quantity:Price:MSRP: $182.95Now: $144.00Was: $182.95Subtotal: -
On Sale
Wiseco Piston Kit 56.00 mm Oversize for Yamaha YZ125 1997-2004 765M05600
WISECO
MSRP: $199.95Now: $170.00Was: $199.95If you're running a YZ125 hard on the track or trail, piston wear is inevitable—and a failing piston means catastrophic engine damage. The Wiseco 56.00 mm Oversize Piston Kit restores your engine's...765M05600- SKU:
- 765M05600
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 54,50 MM
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- DISPLACEMENT:
- 134 CC
MSRP: $199.95Now: $170.00Was: $199.95Qty in Cart: 0Quantity:Price:MSRP: $199.95Now: $170.00Was: $199.95Subtotal: -
On Sale
Wiseco Piston Kit 41.50mm Oversize for Yamaha PW50 2021-2026 653M04150
WISECO
MSRP: $116.95Now: $93.00Was: $116.95Wiseco pistons are built for riders who demand reliable performance upgrades without compromise. If you're running your PW50 hard on the trail or track, this 41.50mm oversize kit delivers the...653M04150- SKU:
- 653M04150
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +1,50 MM
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 39,20 MM
- STROKE LENGTH METRIC:
- 39.20 MM
- BORE SIZE METRIC:
- 41.50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
MSRP: $116.95Now: $93.00Was: $116.95 -
On Sale
Wiseco Piston Kit Standard 67.50mm for KTM 250 SX 1995 655M06750
WISECO
MSRP: $199.95Now: $170.00Was: $199.95The Wiseco Piston Kit Standard 67.50mm is engineered for KTM 250 SX and 250 EXC riders who demand reliable power delivery and engine longevity. High-silicon aluminum construction combined with...601M06750- SKU:
- 601M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 249,6 CC
- STROKE LENGTH:
- 69,50 MM
- BORE SIZE METRIC:
- 67.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 69.50 MM
- UNITS:
- EACH
MSRP: $199.95Now: $170.00Was: $199.95Qty in Cart: 0Quantity:Price:MSRP: $199.95Now: $170.00Was: $199.95Subtotal:
