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 for Yamaha YZ 80 1985-1987 569M04950
WISECO
$144.95If you're running a Yamaha YZ80 and want reliable top-end performance, a quality piston kit is non-negotiable. Wiseco's 569M04950 delivers the precision engineering and durability needed for...569M04950- SKU:
- 569M04950
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH:
- 45,60 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 49.50 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
- DISPLACEMENT:
- 82 CC
- STROKE LENGTH METRIC:
- 45.60 MM
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit Yamaha YZ 125 2005-2021 1.50mm Oversize 559M05750
WISECO
$179.95If you're running a YZ125 two-stroke, piston wear directly impacts throttle response, fuel efficiency, and overall engine longevity. The Wiseco 559M05750 is engineered to restore lost compression and...559M05750- SKU:
- 559M05750
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 57.50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- DISPLACEMENT:
- 123 CC
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH:
- 50,00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- STROKE LENGTH METRIC:
- 50.00 MM
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
Wiseco Piston Kit Kawasaki KX 250 1999 617M06640
WISECO
$221.95If you're running a Kawasaki KX250, piston wear is inevitable—and when it hits, your engine's compression, throttle response, and overall reliability take a nosedive. The Wiseco Piston Kit 556M06740...556M06740- SKU:
- 556M06740
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH:
- 70,00 MM
- STROKE LENGTH METRIC:
- 70.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 67.40 MM
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
Wiseco Piston Kit 85mm 10:1 Compression for Honda TRX400EX 1999-2008 4606M08500
WISECO
$210.95The Honda TRX400EX demands a piston that can handle sustained high-RPM abuse while maintaining reliable power delivery—the Wiseco 4606M08500 delivers exactly that. With a 10:1 compression ratio and...4606M08500- SKU:
- 4606M08500
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 397 CC
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 84.95 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 85.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 70.00 MM
$210.95Qty in Cart: 0Quantity:Price:$210.95Subtotal: -
Wiseco Piston Kit Kawasaki KX250 1978-1986 439M07000
WISECO
$221.95If your KX250 is showing signs of wear or you're looking to restore it to factory specifications, a quality piston kit is essential to maintain compression, seal integrity, and overall engine...439M07000- SKU:
- 439M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STROKE LENGTH METRIC:
- 64.90 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
$221.95Qty in Cart: 0Quantity:Price:$221.95Subtotal: -
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: -
Wiseco Piston Kit 1mm Oversize 76.95mm 10.5:1 Compression Honda XL250R 1984-1987 4329M07600
WISECO
$194.95If you're rebuilding a Honda XL250R or XR250R engine, this Wiseco piston kit delivers the bore size and compression ratio needed for reliable power restoration or modest performance gains. The 1mm...4329M07600- SKU:
- 4329M07600
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- ENGINE TYPE:
- 4-STROKE
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 76.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 75.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 56.50 MM
$194.95 -
Wiseco Piston Ring Set 89mm Bore for 2006-2008 Honda TRX400EX 3504XC
WISECO
$49.95Piston rings are the critical seal between your piston and cylinder wall—worn or incorrectly sized rings cause blow-by, power loss, and accelerated engine wear. The Wiseco 3504XC Ring Set is...3504XC- SKU:
- 3504XC
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 89.00 MM
- PISTON MATERIAL:
- ALUMINUM
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
Wiseco Valve Kit 2012-2016 KTM 350 EXC-F SVKB6353
WISECO
$344.95Valve degradation is one of the fastest ways to lose compression, throttle response, and overall engine reliability in your 350 EXC-F. The Wiseco Valve Kit SVKB6353 replaces worn or damaged valves...09263086- SKU:
- 09263086
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- UNITS:
- KIT
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- VALVE KIT
- RIDING STYLE:
- OFF-ROAD
$344.95Qty in Cart: 0Quantity:Price:$344.95Subtotal: -
Wiseco Engine Rebuild Kit 2002-2006 KTM 125 SX PWR153-101
WISECO
$721.95When your KTM 125 SX's engine shows signs of wear, a complete rebuild using OEM-quality components is the most cost-effective path to restoring full performance and reliability. The Wiseco PWR153-101...09031616- SKU:
- 09031616
- Availability:
- Ships Same Business Day
- Weight:
- 10.55 LBS
- BORE SIZE METRIC:
- 54.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$721.95 -
Wiseco Engine Rebuild Kit for 2004-2012 KTM 85 SX PWR162-100
WISECO
$543.95Complete engine rebuilds demand precision components that restore both reliability and power output. The Wiseco Engine Rebuild Kit for your 2004-2012 KTM 85 SX delivers OEM-quality parts in a single...09031540- SKU:
- 09031540
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
- BORE SIZE METRIC:
- 47.00 MM
- FEATURES:
- GP SERIES PISTON
- UNITS:
- KIT
- DISPLACEMENT:
- 85 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GARAGE BUDDY
- RIDING STYLE:
- OFF-ROAD
- OVERBORE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- ENGINE
$543.95Qty in Cart: 0Quantity:Price:$543.95Subtotal: -
Wiseco 74mm 11.5:1 Piston Kit Kawasaki KSF250 Mojave 1989-2003 PK1746
WISECO
$234.95If you're rebuilding or overboring your KSF250 Mojave's top end, you need a piston kit engineered to handle sustained high RPM and aggressive riding conditions. Wiseco's forged construction delivers...09031276- SKU:
- 09031276
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 249 CC
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- ATV
- STROKE LENGTH IMPERIAL:
- 2-1/4'
- UNITS:
- KIT
$234.95 -
Wiseco Piston Kit 93mm Bore 10.2:1 Compression Polaris Sportsman 500 1996-2000 PK1654
WISECO
$289.95If you're rebuilding your Polaris Sportsman 500, piston quality directly determines how your engine handles sustained RPMs, heat cycles, and load stress. Wiseco's high-silicone forged construction...09031275- SKU:
- 09031275
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 499 CC
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 93.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 92.95 MM
- SKIRT COATING:
- NON-COATED
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 75.00 MM
- TYPE:
- TOP END
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Wiseco Piston Kit 70.50mm for Ski-Doo Mach Z 1999-2001 SK1249
WISECO
$579.95When you're pushing your Ski-Doo Mach Z to its limits, factory pistons become your bottleneck. This Wiseco piston kit delivers the strength and thermal stability you need to maintain peak performance...09031214- SKU:
- 09031214
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
- BORE SIZE METRIC:
- 70.50 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 68.00 MM
- TYPE:
- TOP END
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 70.40 MM
- COOLING SYSTEM:
- LIQUID COOLED
- DISPLACEMENT:
- 796 CC
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$579.95Qty in Cart: 0Quantity:Price:$579.95Subtotal: -
Wiseco Piston Kit with Gaskets for Polaris Sportsman 500 1996-2002 PK1653
WISECO
$301.95When your Polaris Sportsman 500's engine is pushing its limits, stock pistons won't cut it. The Wiseco PK1653 kit delivers the strength and thermal stability your 2-cycle engine needs to handle...09030919- SKU:
- 09030919
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- BORE SIZE METRIC:
- 92.50 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 10.2:1
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 75.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 499 CC
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 92.45 MM
- SKIRT COATING:
- NON-COATED
$301.95Qty in Cart: 0Quantity:Price:$301.95Subtotal: -
Wiseco 56mm Piston Kit with Gaskets for KTM 125 SX 2002-2006 PK1513
WISECO
$234.95When your KTM 125 SX's top-end reaches the end of its service life, a quality piston kit is non-negotiable. Wiseco's PK1513 delivers the precision engineering and material quality you need to restore...09030700- SKU:
- 09030700
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- PISTON DIAMETER METRIC:
- 55.95 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 56.00 MM
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$234.95Qty in Cart: 0Quantity:Price:$234.95Subtotal: -
Wiseco Yamaha YFM660F Grizzly 2002-2008 YXR660F Rhino 2005-2007 Piston Kit PK1436
WISECO
$349.95If you're rebuilding your Yamaha Grizzly or Rhino's top end, settling for OEM components means accepting factory performance limits. Wiseco's PK1436 piston kit delivers the strength and precision...09030626- SKU:
- 09030626
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON DIAMETER METRIC:
- 100.42 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 100.50 MM
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- DISPLACEMENT:
- 660 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco Piston Kit with Gasket Yamaha Raptor 660R 2001-2005 PK1431
WISECO
$334.95A top-end rebuild demands precision components engineered to withstand sustained high RPM operation and thermal stress. The Wiseco Piston Kit delivers the complete solution for restoring your Raptor...09030621- SKU:
- 09030621
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 100.00 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 99.92 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- TYPE:
- TOP END
- DISPLACEMENT:
- 660 CC
- UNITS:
- KIT
$334.95Qty in Cart: 0Quantity:Price:$334.95Subtotal: -
Wiseco Piston Kit XL 1200 1996-2003 K1688
WISECO
$409.95Whether you're rebuilding a tired top-end or pushing into overbore territory, the Wiseco Piston Kit K1688 delivers the forged strength and precision engineering required for reliable, sustained...09030148- SKU:
- 09030148
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- BORE - OVERSIZE:
- +0,030'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.498'
- PISTON MATERIAL:
- FORGED
$409.95Qty in Cart: 0Quantity:Price:$409.95Subtotal: -
Wiseco Piston +1.50 mm Yamaha Banshee 350 1987-2006 795M06550
WISECO
$188.95If you're running a Yamaha Banshee 350 and want measurable gains in compression ratio and ring sealing efficiency, a quality forged piston is non-negotiable. The Wiseco +1.50 mm piston delivers the...795M06550- SKU:
- 795M06550
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH:
- 54,00 MM
- BORE - OVERSIZE:
- +1,50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- BORE SIZE METRIC:
- 65.50 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- DISPLACEMENT:
- 364 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$188.95Qty in Cart: 0Quantity:Price:$188.95Subtotal: -
Wiseco Crankshaft Kit for 1992-2001 Kawasaki KX250 WPC128B
WISECO
$510.95A crankshaft is the backbone of your KX250's bottom end—when you're pushing peak RPMs on the track or trail, you need a unit that won't compromise under load. The Wiseco WPC128B delivers...09210109- SKU:
- 09210109
- Availability:
- Ships Same Business Day
- Weight:
- 12.51 LBS
- TYPE:
- BOTTOM END
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES BEARING AND GASKET
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$510.95Qty in Cart: 0Quantity:Price:$510.95Subtotal: -
Wiseco KX100 1995-2013 Ring Set 2067CD
WISECO
$52.95OEM ring sets wear predictably under load, leading to increased blow-by, oil consumption, and power loss—especially critical if you're running your KX100 hard. The Wiseco 2067CD delivers...2067CD- SKU:
- 2067CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- DISPLACEMENT:
- 99 CC
- UNITS:
- SET
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 52.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
$52.95 -
Wiseco Piston Ring Set 58mm Bore for Yamaha YZ125 1976-1988 2005-2021 2020-2022 YZ125X 2284CS
WISECO
$25.95Worn or damaged piston rings directly compromise compression, power delivery, and engine longevity—especially in high-RPM YZ125 applications. The Wiseco 2284CS ring set restores OEM-spec compression...2284CS- SKU:
- 2284CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 58.00 MM
- DISPLACEMENT:
- 125 CC
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- EACH
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
$25.95 -
Wiseco 74.50mm Piston Kit for 1994-1995 Polaris 300 2x4 4x4 Big Boss 300 6x6 PK1516
WISECO
$199.95If you're rebuilding the top end on your Polaris 300, settling for inferior pistons is a shortcut to premature wear and lost power. Wiseco's forged piston kit delivers the thermal control and...09030638- SKU:
- 09030638
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.50 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- DISPLACEMENT:
- 283 CC
- PISTON DIAMETER METRIC:
- 74.42 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.00 MM
- UNITS:
- KIT
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Honda CRF450R 2002-2008 338M07050
WISECO
$210.95When you're pushing a Honda CRF450R to its limits, your piston needs to handle extreme combustion pressures and sustained high RPMs without compromise. The Wiseco 338M07050 is precision-engineered to...338M07050- SKU:
- 338M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 64.40 MM
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 248 CC
- RIDING STYLE:
- UTV
- BORE SIZE METRIC:
- 70.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 70.45 MM
- SKIRT COATING:
- NON-COATED
$210.95Qty in Cart: 0Quantity:Price:$210.95Subtotal: -
Wiseco Piston Kit 11:1 Compression for 2003-2005 Honda TRX650FA Rincon 40067M10000
WISECO
$224.95If you're running a TRX650FA Rincon hard enough to wear out your stock pistons, an 11:1 compression upgrade delivers measurable gains in power and throttle response. This Wiseco kit swaps in as a...09104154- SKU:
- 09104154
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 82.60 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 100 MM
- DISPLACEMENT:
- 649 CC
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON DIAMETER METRIC:
- 99.92 MM
- UNITS:
- KIT
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Yamaha YFM125R Raptor 2011-2013 11:1 40068M05400
WISECO
$169.95If you're running a stock YFM125R Raptor and want measurable gains in power and reliability, a quality piston kit is essential—especially one engineered for the demands of both trail and racing. The...09104155- SKU:
- 09104155
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 124 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 54.00 MM
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 53.95 MM
- STROKE LENGTH METRIC:
- 54.00 MM
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Piston Kit Honda CR125M 1974-1978 1.0mm 339M05700
WISECO
$162.95If you're rebuilding a 1974-1978 Honda CR125M, a quality piston kit is non-negotiable—it directly impacts compression, power delivery, and engine longevity. Wiseco's 339M05700 delivers the precision...339M05700- SKU:
- 339M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 57.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.94 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 50.00 MM
$162.95Qty in Cart: 0Quantity:Price:$162.95Subtotal: -
Wiseco 1988-2003 Harley-Davidson Sportster 1200 XLH Piston Kit K1685
WISECO
$447.95When you're ready to extract genuine performance gains from your 1200 Sportster, piston quality becomes non-negotiable. The Wiseco K1685 delivers the strength and precision needed for a reliable...K1685- SKU:
- K1685
- Availability:
- Ships Same Business Day
- Weight:
- 2.31 LBS
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- BORE SIZE IMPERIAL:
- 3.498'
- TYPE:
- TOP END
- UNITS:
- EACH
$447.95Qty in Cart: 0Quantity:Price:$447.95Subtotal: -
Wiseco Piston Kit for Honda CR250M 1975-1976 338M07000
WISECO
$199.95If you're running a 1975-1976 Honda CR250M, the stock piston won't survive sustained high-RPM riding or aggressive tuning. The Wiseco 338M07000 replaces worn or damaged pistons with OEM-spec geometry...338M07000- SKU:
- 338M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
- DISPLACEMENT:
- 248 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.40 MM
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Kit 2mm Oversize for 1975-1977 Honda CR250M 338M07200
WISECO
$224.95When your two-stroke demands more displacement and sustained power, a quality piston kit is non-negotiable. The Wiseco 338M07200 delivers the precision engineering and material science needed to...338M07200- SKU:
- 338M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 248 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 71.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 72.00 MM
- STROKE LENGTH METRIC:
- 64.40 MM
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit 78mm 14.5:1 Compression Gas Gas EX 250F 2022 RE804M07800
WISECO
$377.95When you're pushing your Gas Gas EX 250F to its limits, a stock piston simply won't cut it. The Wiseco RE804M07800 delivers the precision engineering and durability you need to maximize power output...09105073- SKU:
- 09105073
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE SIZE METRIC:
- 78.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
$377.95 -
Wiseco 2-Stroke Piston Kit 47.5mm Honda CR85R 2003-2007 RE921M04750
WISECO
$159.95If you're running a CR85R hard, piston wear is inevitable—and factory replacements won't keep pace with aggressive riding or modified engines. The Wiseco RE921M04750 delivers the durability and...09105077- SKU:
- 09105077
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.50 MM
- PISTON MATERIAL:
- FORGED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
Wiseco Piston Kit 74mm 11:1 Compression Honda TRX300EX 1993-2008 4574M07400
WISECO
$194.95If you're running a TRX300EX hard—whether on the trail or at the track—factory pistons won't cut it. This Wiseco kit delivers the strength and precision you need to push higher RPMs and sustain...4574M07400- SKU:
- 4574M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 74.00 MM
- DISPLACEMENT:
- 282 CC
- PISTON DIAMETER METRIC:
- 73.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- STROKE LENGTH METRIC:
- 65.50 MM
- UNITS:
- KIT
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit 80mm 10.5:1 Compression for Suzuki DR350 1990-1999 4576M08000
WISECO
$174.95If you're running a Suzuki DR350 and want measurable gains in power and reliability, a high-compression piston kit is one of the most direct upgrades available. The Wiseco 4576M08000 raises your...4576M08000- SKU:
- 4576M08000
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 79.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 80.00 MM
- DISPLACEMENT:
- 349 CC
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 71.20 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Kit 2.00mm Oversize 52.95mm Yamaha YZ80 1976-1980 457M05100
WISECO
$144.95If you're rebuilding a YZ80 or chasing consistent power delivery on the track, a worn piston directly impacts compression, throttle response, and overall engine reliability. The Wiseco 457M05100...457M05100- SKU:
- 457M05100
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 50.95 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 51.00 MM
- DISPLACEMENT:
- 79 CC
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit Yamaha YZF-R6 2001-2005 65.5mm 13.4:1 CK159
WISECO
$784.95If you're rebuilding or modifying your YZF-R6's top end, piston quality directly impacts horsepower, reliability, and engine longevity. This Wiseco kit pairs a 13.4:1 compression domed piston with a...09030168- SKU:
- 09030168
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- STROKE LENGTH METRIC:
- 44.50 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 65.50 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.4:1
- DISPLACEMENT:
- 600 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
$784.95Qty in Cart: 0Quantity:Price:$784.95Subtotal: -
Wiseco Piston Kit 49.50mm Honda CR85R 2003-2006 PK1217
WISECO
$197.95When a 2-stroke top-end fails, you need a piston kit engineered to restore—or exceed—stock performance. The Wiseco PK1217 delivers the precision bore and aerospace-grade materials that serious riders...09030175- SKU:
- 09030175
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- DISPLACEMENT:
- 84.7 CC
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 49.50 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 49.45 MM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
$197.95Qty in Cart: 0Quantity:Price:$197.95Subtotal: -
Wiseco YZ125 2001 Piston Kit with Gaskets 56mm PK1351
WISECO
$234.95When your YZ125's original piston is worn or damaged, you're looking at lost compression, reduced power delivery, and potential engine damage if you don't address it quickly. The Wiseco PK1351...09030176- SKU:
- 09030176
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- DISPLACEMENT:
- 124 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON SIZE METRIC:
- +2.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 55.95 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$234.95Qty in Cart: 0Quantity:Price:$234.95Subtotal:
