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 90mm 13.5:1 for Suzuki DR-Z400 2000-2018 PK1661
WISECO
$294.95The Wiseco Piston Kit PK1661 delivers the strength and thermal stability your DR-Z400 demands when you're pushing peak RPMs and sustained high-load conditions. High-silicone forged construction...09030736- SKU:
- 09030736
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 90.00 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 62.60 MM
- DISPLACEMENT:
- 398 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 89.92 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$294.95Qty in Cart: 0Quantity:Price:$294.95Subtotal: -
Wiseco Piston Kit 54.5mm 11:1 Compression Yamaha TTR125 2000-2021 PK1683
WISECO
$197.95If you're rebuilding your TTR125's top end, a quality piston kit is non-negotiable—it's the foundation of engine reliability and power output. The Wiseco PK1683 delivers forged-piston durability with...09030740- SKU:
- 09030740
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE SIZE METRIC:
- 54.50 MM
- DISPLACEMENT:
- 123.7 CC
- PISTON DIAMETER METRIC:
- 54.45 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- REBUILD KIT
$197.95 -
Wiseco Piston Kit 55mm Bore Yamaha TT-R125 2000-2004 PK1684
WISECO
$189.95When your TT-R125's original pistons wear out, a quality rebuild kit is the difference between a restored engine and a costly failure. Wiseco's forged piston kit delivers the durability and thermal...09030741- SKU:
- 09030741
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 55.00 MM
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 54.00 MM
- DISPLACEMENT:
- 123.7 CC
- PISTON DIAMETER METRIC:
- 54.95 MM
- PRODUCT NAME:
- REBUILD KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- TYPE:
- TOP END
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Yamaha TTR125 2000-2021 Piston Kit with Gaskets PK1682
WISECO
$197.95If you're rebuilding your TTR125 top-end, a quality piston kit directly impacts engine reliability, power delivery, and longevity. Wiseco's high-silicone forged pistons are engineered to handle the...09030742- SKU:
- 09030742
- Availability:
- Ships Same Business Day
- Weight:
- 0.77 LBS
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 123.7 CC
- PRODUCT NAME:
- REBUILD KIT
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 53.95 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$197.95Qty in Cart: 0Quantity:Price:$197.95Subtotal: -
Wiseco Piston Kit Honda CRF250R 2004-2007 4829M07800
WISECO
$210.95The stock piston in your CRF250R is a compromise between cost and performance—it's time to upgrade. A quality aftermarket piston like this Wiseco kit will sharpen throttle response, reduce combustion...09100333- SKU:
- 09100333
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.9:1
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 52.20 MM
- DISPLACEMENT:
- 249 CC
- BORE SIZE METRIC:
- 78.00 MM
- PISTON MATERIAL:
- FORGED
$210.95 -
Wiseco Piston Kit Standard Bore 100mm 8.7:1 Compression Honda XR650L 1993-2020 4562M10000
WISECO
$248.95If you're running an XR650L that's seen serious miles or you're prepping for aggressive trail and off-road duty, a quality piston kit is essential to maintain compression, seal integrity, and...09100337- SKU:
- 09100337
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 100.00 MM
- DISPLACEMENT:
- 650 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 8.7:1
- STROKE LENGTH METRIC:
- 82.00 MM
$248.95 -
Wiseco Piston Kit for Kawasaki KX250 2005-2007 PK1379
WISECO
$285.95A worn or damaged piston directly limits your KX250's throttle response and peak power output. The Wiseco PK1379 kit restores—and exceeds—OEM performance with a high-silicone forged aluminum...09030519- SKU:
- 09030519
- Availability:
- Ships Same Business Day
- Weight:
- 1.42 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- DISPLACEMENT:
- 249.3 CC
- PISTON DIAMETER METRIC:
- 66.36 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$285.95Qty in Cart: 0Quantity:Price:$285.95Subtotal: -
Wiseco Piston Kit Honda CR250R 1997-2001 702M06850
WISECO
$224.95A worn or damaged piston directly compromises combustion efficiency, throttle response, and overall engine reliability—especially critical on a two-stroke like the CR250R where precision tolerances...09101232- SKU:
- 09101232
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- UNITS:
- EACH
- BORE SIZE METRIC:
- 68.50 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- BORE - OVERSIZE:
- +2,10 MM
- BORE - OVERSIZE METRIC:
- +2.10 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 72.00 MM
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco 450 EXC 2003-2007 Piston Kit PK1445
WISECO
$358.95Two-stroke engines demand precision components that can handle extreme combustion pressures and rapid thermal cycling. The Wiseco 450 EXC Piston Kit delivers the strength and dimensional stability...09030690- SKU:
- 09030690
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 88.92 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 448 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 89.00 MM
- MODEL:
- FORGED SERIES
$358.95Qty in Cart: 0Quantity:Price:$358.95Subtotal: -
Wiseco Piston Kit Standard 66.40mm Honda CR250R 1997-2001 768M06640
WISECO
$199.95The Wiseco Piston Kit delivers the strength and precision required for consistent CR250R performance across 1997-2001 model years. Whether you're pushing lap times or maintaining your two-stroke's...09101236- SKU:
- 09101236
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- DISPLACEMENT:
- 249 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco KX125 2001-2002 Piston Kit with Gaskets PK1502
WISECO
$219.95When you're rebuilding a KX125 top end, cutting corners on piston quality will cost you—either in lost performance or catastrophic engine failure. The Wiseco KX125 Piston Kit delivers the precision...09030697- SKU:
- 09030697
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE - OVERSIZE:
- STANDARD
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$219.95Qty in Cart: 0Quantity:Price:$219.95Subtotal: -
Wiseco Piston Kit Kawasaki KX85 2001-2008 782M04950
WISECO
$143.95A worn or stock piston can limit your KX85's potential—costing you throttle response, reliability, and track performance. Wiseco's precision-engineered piston kit restores the efficiency your engine...09101238- SKU:
- 09101238
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE SIZE METRIC:
- 49.50 MM
- DISPLACEMENT:
- 84,9 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
$143.95 -
Wiseco Piston Kit 3.875 in. Bore 10.5:1 Compression Ratio Harley-Davidson Twin Cam 103 2011-2016 K2792
WISECO
$576.95If you're pushing your Twin Cam 103 hard—whether on the dyno, the track, or the street—stock pistons will eventually let you down. The Wiseco K2792 kit gives you forged pistons with ArmorGlide™...09101999- SKU:
- 09101999
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- BORE - OVERSIZE:
- 0,125'
- BORE OVERSIZE - IMPERIAL:
- 0.125'
- PISTON MATERIAL:
- ALUMINUM
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.875'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- MODEL:
- VM SERIES
- PISTON HEAD SHAPE:
- POSITIVE
- SKIRT COATING:
- ARMORFIT™
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$576.95 -
Wiseco Piston Kit 103 Cubic Inch 2007-2017 K2793
WISECO
$576.95If you're building or rebuilding a high-displacement Twin Cam engine, piston selection directly impacts reliability, power delivery, and longevity under sustained load. The Wiseco K2793 combines...09102001- SKU:
- 09102001
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- BORE - OVERSIZE:
- 0,125'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM
- BORE OVERSIZE - IMPERIAL:
- 0.125'
- MODEL:
- VM SERIES
- DISPLACEMENT:
- 103'
- PISTON HEAD SHAPE:
- POSITIVE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- SKIRT COATING:
- ARMORFIT™
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE SIZE IMPERIAL:
- 3.875'
- UNITS:
- KIT
$576.95Qty in Cart: 0Quantity:Price:$576.95Subtotal: -
Wiseco Piston Kit 89mm Honda CR500R 1984-2001 871M08900
WISECO
$238.95The Wiseco 89mm piston kit is engineered for the demanding demands of CR500R racing and high-rpm recreational riding. This precision-machined piston maintains stock bore diameter while delivering the...09102022- SKU:
- 09102022
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 89.00 MM
- DISPLACEMENT:
- 472 CC
- STROKE LENGTH METRIC:
- 76.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- EACH
$238.95Qty in Cart: 0Quantity:Price:$238.95Subtotal: -
Wiseco Piston Kit 75.50mm 11:1 Compression Honda TRX300EX 1993-2008 4574M07550
WISECO
$209.95If you're running a TRX300EX and want measurable gains in displacement and compression, a quality piston kit is one of the most effective bolt-on upgrades available. The Wiseco 75.50mm 11:1...09100377- SKU:
- 09100377
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 293 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 65.50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 75.50 MM
- BORE - OVERSIZE:
- +1,50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$209.95Qty in Cart: 0Quantity:Price:$209.95Subtotal: -
Wiseco Piston Kit 52.00mm Standard Bore for 2001-2005 Polaris Sportsman 90 839M05200
WISECO
$128.95When your Polaris Sportsman 90 needs a fresh top end, the Wiseco Piston Kit delivers the precision fit and durability required to restore—or exceed—original performance. This standard bore kit is...09100381- SKU:
- 09100381
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- DISPLACEMENT:
- 89 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 41.90 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 52.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$128.95 -
Wiseco Suzuki RM125 2004-2007 Piston Kit with Gaskets PK1377
WISECO
$234.95The Wiseco Suzuki RM125 piston kit is engineered for riders who demand reliable top-end performance in competitive or high-mileage conditions. High-silicone forged aluminum construction delivers the...09030531- SKU:
- 09030531
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PISTON DIAMETER METRIC:
- 53.95 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$234.95Qty in Cart: 0Quantity:Price:$234.95Subtotal: -
Wiseco 72mm Piston Kit for 2005-2007 KTM 300 EXC PK1409
WISECO
$297.95Your KTM 300 EXC's top-end demands precision engineering to handle the demands of 2-stroke racing and trail riding. The Wiseco 72mm Piston Kit delivers exactly that—a complete rebuild solution...09030534- SKU:
- 09030534
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- DISPLACEMENT:
- 297 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 73.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 71.94 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$297.95Qty in Cart: 0Quantity:Price:$297.95Subtotal: -
Wiseco Piston Kit Yamaha YFZ450R 2009-2013 98mm 12.5:1 4906M09800
WISECO
$309.95A worn or stock piston limits your YFZ450R's potential—this Wiseco big-bore kit reclaims horsepower and torque while delivering the durability needed for serious riding. The 98mm bore with 12.5:1...09102845- SKU:
- 09102845
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- +3,00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- DISPLACEMENT:
- 478 CC
- STROKE LENGTH METRIC:
- 62.00 MM
- DISPLACEMENT:
- 467 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 98.00 MM
$309.95 -
Wiseco Piston Kit 1984-1999 Harley-Davidson Big Twin 1340cc K1675
WISECO
$447.95A top-end rebuild demands precision components that can handle the stress of high-compression combustion cycle after cycle. Wiseco's high-silicon aluminum alloy pistons are engineered to resist...K1675- SKU:
- K1675
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BORE - OVERSIZE:
- +0,005'
- BORE SIZE IMPERIAL:
- 3.503'
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.005'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 1342 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
$447.95 -
Wiseco Piston Kit Yamaha YFM450 Grizzly 2007-2014 4939M08450
WISECO
$224.95When your YFM450 Grizzly's factory pistons start showing wear, you're losing compression, power, and efficiency. The Wiseco 4939M08450 piston kit restores your engine to peak performance with...09102851- SKU:
- 09102851
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 75.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 420 CC
- BORE SIZE METRIC:
- 84.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- UTV
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Yamaha YFM450 Grizzly 2007-2014 4939M08500
WISECO
$224.95Whether you're rebuilding your YFM450 Grizzly after hard trail use or maximizing output on your performance build, the Wiseco Piston Kit delivers the precision engineering and durability that...09102852- SKU:
- 09102852
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 420 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 75.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- UTV
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit 85.50mm 11:1 Compression Yamaha YFM450 Grizzly 2007-2014 4939M08550
WISECO
$224.95A worn or stock piston limits your Grizzly's potential for consistent power delivery and fuel efficiency. The Wiseco 4939M08550 piston kit delivers precision-engineered internals built to handle...09102853- SKU:
- 09102853
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 85.50 MM
- DISPLACEMENT:
- 420 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 75.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- UTV
$224.95 -
Wiseco Piston Kit Yamaha PW50 1981-2025 653M04200
WISECO
$116.95The Wiseco Piston Kit for your Yamaha PW50 delivers the precision engineering your engine needs to maintain consistent performance across 45+ years of production. Whether you're rebuilding after high...09102871- SKU:
- 09102871
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 42.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 39.20 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 54 CC
$116.95Qty in Cart: 0Quantity:Price:$116.95Subtotal: -
Wiseco Piston Kit Standard Bore 64.5mm Yamaha RT180 1990-1998 772M06450
WISECO
$162.95If you're rebuilding or refreshing your RT180 engine, piston quality directly impacts compression, reliability, and throttle response. Wiseco's forged aluminum construction delivers the strength...09102875- SKU:
- 09102875
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- DISPLACEMENT:
- 176 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 64.50 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$162.95Qty in Cart: 0Quantity:Price:$162.95Subtotal: -
Wiseco Yamaha RT180 1990-1998 Piston Kit 772M06550
WISECO
$154.95The Wiseco piston kit for your Yamaha RT180 directly addresses wear and performance loss in the combustion chamber. A worn or damaged piston compromises compression, throttle response, and fuel...09102877- SKU:
- 09102877
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 65.50 MM
- DISPLACEMENT:
- 182 CC
- STROKE LENGTH METRIC:
- 54.00 MM
- PISTON MATERIAL:
- FORGED
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit 47.00mm Bore KTM 65 SX 2009-2021 864M04700
WISECO
$134.95If you're running a KTM 65 SX hard on the track or trail, piston durability and thermal stability are non-negotiable. The Wiseco 864M04700 is precision-forged from high-silicon alloy to handle the...09102881- SKU:
- 09102881
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 47.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 70 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 40.80 MM
- UNITS:
- EACH
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit 54mm Standard 2014-2020 KTM 125 SX 868M05400
WISECO
$199.95A quality piston kit is the foundation of engine reliability—especially in high-revving two-stroke competition engines like the KTM 125 SX. The Wiseco 54mm Standard Piston Kit delivers the precision...09102882- SKU:
- 09102882
- Availability:
- Ships Same Business Day
- Weight:
- 0.44 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 54.00 MM
- RIDING STYLE:
- STREET
$199.95Qty in Cart: 0Quantity:Price:$199.95Subtotal: -
Wiseco Piston Kit 92mm 12.5:1 Compression for 1998-2000 Yamaha WR400F 1998-1999 Yamaha YZ400F 4649M09200
WISECO
$239.95When your WR400F or YZ400F is pushing peak RPMs on the track or trail, your piston needs to handle compression spikes and sustained heat without compromise. The Wiseco 4649M09200 delivers the...4649M09200- SKU:
- 4649M09200
- Availability:
- Ships Same Business Day
- Weight:
- 0.88 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 91.92 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 92 MM
- DISPLACEMENT:
- 399 CC
- STROKE LENGTH METRIC:
- 60.10 MM
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco Piston Kit 78mm 11:1 Compression Kawasaki KLX300R 1997-2006 4630M07800
WISECO
$194.95A worn or damaged piston directly impacts engine efficiency, throttle response, and overall reliability—especially if you're pushing your KLX300R on the trail or at the track. The Wiseco 4630M07800...4630M07800- SKU:
- 4630M07800
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 78.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 292 CC
- PISTON DIAMETER METRIC:
- 77.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 61.20 MM
$194.95Qty in Cart: 0Quantity:Price:$194.95Subtotal: -
Wiseco Piston Kit 54mm 11:1 Compression for Yamaha TT-R125 2000-2009 4752M05400
WISECO
$160.95If you're pushing your TT-R125 hard on the trail or in competition, your stock piston won't cut it. The Wiseco 4752M05400 delivers the strength and efficiency needed to handle sustained high-RPM...4752M05400- SKU:
- 4752M05400
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 123.7 CC
- PISTON DIAMETER METRIC:
- 53.95 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 54.00 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.00 MM
$160.95Qty in Cart: 0Quantity:Price:$160.95Subtotal: -
Wiseco Piston Kit 54.5mm 11:1 Compression for Yamaha TT-R125 2000-2009 4752M05450
WISECO
$160.95When you're pushing your TT-R125 to its limits on the trail or track, a stock piston won't cut it. The Wiseco 4752M05450 delivers the compression ratio and material science you need to unlock real...4752M05450- SKU:
- 4752M05450
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH METRIC:
- 54.00 MM
- DISPLACEMENT:
- 123.7 CC
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 54.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 54.45 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$160.95 -
Wiseco TTR125 2000-2021 11:1 Compression Piston Kit 4752M05500
WISECO
$160.95A worn or damaged piston directly compromises engine efficiency, throttle response, and overall reliability—especially in high-demand trail and racing conditions. The Wiseco TTR125 piston kit...4752M05500- SKU:
- 4752M05500
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 55.00 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123.7 CC
- PISTON DIAMETER METRIC:
- 54.95 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$160.95Qty in Cart: 0Quantity:Price:$160.95Subtotal: -
Wiseco 80mm Piston Kit for Kawasaki KVF650 Brute Force 2005-2010 4782M08000
WISECO
$189.95When you're pushing your KVF650 Brute Force to its limits, stock internals become your bottleneck. The Wiseco 80mm piston kit delivers the durability and precision needed to handle sustained high-RPM...4782M08000- SKU:
- 4782M08000
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 63.00 MM
- BORE SIZE METRIC:
- 80.00 MM
- DISPLACEMENT:
- 633 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON DIAMETER METRIC:
- 79.95 MM
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit for Kawasaki KVF650 Brute Force 4x4 2005-2010 4782M08100
WISECO
$179.40When you're pushing your Brute Force to its limits on the trail or at the strip, your factory piston won't cut it. The Wiseco 4782M08100 is engineered to handle the demands of serious riders who...4782M08100- SKU:
- 4782M08100
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- BORE SIZE METRIC:
- 81.00 MM
- STROKE LENGTH METRIC:
- 63.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON DIAMETER METRIC:
- 80.95 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 633 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
$179.40 -
Wiseco YZ490 IT490 1982-1984 Piston Kit 478M08700
WISECO
$234.95When you're pushing a YZ490 or IT490 to its limits—whether on the trail or at the track—piston integrity becomes non-negotiable. The Wiseco 478M08700 piston kit delivers the durability and precision...478M08700- SKU:
- 478M08700
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE SIZE METRIC:
- 87.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 487 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 86.92 MM
- STROKE LENGTH METRIC:
- 82.00 MM
$234.95 -
Wiseco Piston Kit Honda Pioneer 700 2014-2021 40066M10300
WISECO
$224.95If you're running a Honda Pioneer 700 and want measurable gains in throttle response and engine reliability, a quality piston kit is essential for sustained performance and longevity. Wiseco pistons...09103925- SKU:
- 09103925
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 82.60 MM
- BORE SIZE METRIC:
- 103.00 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 688 CC
- RIDING STYLE:
- UTV
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit 98mm 9:1 Compression Honda XR600R 1985-2000 4577M09800
WISECO
$239.95When you're pushing your XR600R to its limits, factory pistons become a liability. The Wiseco 4577M09800 delivers the strength and precision your engine demands, whether you're conquering technical...4577M09800- SKU:
- 4577M09800
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON DIAMETER METRIC:
- 97.92 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 591 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 80.00 MM
- BORE SIZE METRIC:
- 98.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
$239.95 -
Wiseco Piston Kit Yamaha YZ80 1976-1980 457M05000
WISECO
$135.95A worn or damaged piston directly impacts engine compression, throttle response, and overall power delivery on your YZ80. The Wiseco 457M05000 restores factory performance specifications while...457M05000- SKU:
- 457M05000
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 42.00 MM
- BORE SIZE METRIC:
- 50.00 MM
- DISPLACEMENT:
- 79 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- PISTON DIAMETER METRIC:
- 49.95 MM
$135.95
