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 with Gaskets PK1023
WISECO
$234.95If you're rebuilding a 2-cycle top end, you need a piston kit engineered to handle sustained high RPM and temperature extremes without failure. Wiseco's forged-aluminum construction delivers the...09030505- SKU:
- 09030505
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 246 CC
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE SIZE METRIC:
- 75.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 74.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 57.30 MM
$234.95 -
Wiseco Yamaha YFM700 Grizzly 2007-2013 Piston Kit PK1419
WISECO
$334.95If you're rebuilding the top end on your YFM700 Grizzly, you need pistons that can handle sustained high RPM and extreme operating temperatures without sacrificing reliability. Wiseco's high-silicone...09030508- SKU:
- 09030508
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE SIZE METRIC:
- 102.00 MM
- PISTON DIAMETER METRIC:
- 101.94 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 9.2:1
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- DISPLACEMENT:
- 686 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- UTV
$334.95Qty in Cart: 0Quantity:Price:$334.95Subtotal: -
Wiseco 200 EXC 1998-2002 Piston Kit with Gaskets PK1369
WISECO
$269.95If you're rebuilding your KTM 200 EXC or MXC, engine wear directly impacts throttle response and reliability. Wiseco's forged piston kit restores lost compression and power while the included gasket...09030512- SKU:
- 09030512
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- DISPLACEMENT:
- 193 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 64.00 MM
- PISTON DIAMETER METRIC:
- 63.95 MM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
$269.95 -
Wiseco Piston Kit for Yamaha YZ125 2005-2021 PK1390
WISECO
$253.95The Wiseco Piston Kit PK1390 is engineered for 2-stroke racers who demand peak performance without compromise. A worn or stock piston limits your YZ125's power delivery and throttle response—this kit...09030513- SKU:
- 09030513
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
- MODEL:
- RACER'S CHOICE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE SIZE METRIC:
- 54.00 MM
- COOLING SYSTEM:
- LIQUID COOLED
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 125 CC
- STROKE LENGTH METRIC:
- 54.50 MM
$253.95Qty in Cart: 0Quantity:Price:$253.95Subtotal: -
Wiseco Piston Kit Yamaha YZ85 2002-2021 5.50mm Oversize 767M05250
WISECO
$177.95If you're running a Yamaha YZ85 hard—whether on the track or in practice—piston wear directly impacts power delivery and reliability. The Wiseco 767M05250 is engineered to restore lost compression...09100366- SKU:
- 09100366
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE - OVERSIZE METRIC:
- +5.50 MM
- DISPLACEMENT:
- 103,5 CC
- STROKE LENGTH METRIC:
- 47.80 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 52.50 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- BORE - OVERSIZE:
- +5,50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
$177.95 -
Wiseco Piston Kit 47.50mm 11:1 Yamaha TT-R90 2003 4840M04750
WISECO
$160.95If you're running a Yamaha TTR90 and want measurable gains in power and throttle response, a high-compression piston kit is one of the most direct upgrades available. The Wiseco 47.50mm 11:1 kit...09100369- SKU:
- 09100369
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 92 CC
- STROKE LENGTH METRIC:
- 51.80 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- OFF-ROAD
$160.95 -
Wiseco Piston Kit Yamaha YFZ350 Banshee 1987-2006 64.25mm 513M06425
WISECO
$154.95If you're running a Banshee and want measurable gains in horsepower and throttle response, a quality piston upgrade is one of the most effective investments you can make. The Wiseco 513M06425 is...09102794- SKU:
- 09102794
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- MODEL:
- PRO-LITE
- BORE SIZE METRIC:
- 64.25 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +0.25 MM
- DISPLACEMENT:
- 350 CC
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE:
- +0,25 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit 1987-1990 Suzuki LT500R 88.50mm 561M08850
WISECO
$209.95The Wiseco Piston Kit delivers the precision and durability required for consistent high-RPM performance in your LT500R. Factory pistons wear unevenly under sustained racing loads—this kit restores...09102795- SKU:
- 09102795
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE METRIC:
- +2.50 MM
- MODEL:
- PRO-LITE
- BORE SIZE METRIC:
- 88.50 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +2,50 MM
- DISPLACEMENT:
- 499,50 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 86.00 MM
- UNITS:
- EACH
$209.95Qty in Cart: 0Quantity:Price:$209.95Subtotal: -
Wiseco Piston Kit Standard Yamaha XT 350 1985-2000 4674M08700
WISECO
$199.95If you're running a Yamaha XT350 or TT350 and want reliable power gains without compromising engine longevity, a quality piston kit is essential. The Wiseco Piston Kit Standard delivers measurable...09101661- SKU:
- 09101661
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- BORE SIZE METRIC:
- 87.00 MM
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 354 CC
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 59.60 MM
$199.95 -
Wiseco Piston Kit for Honda TRX450FM 1998-2004 PK1590
WISECO
$254.95If you're rebuilding a Honda TRX450FM or pushing its limits on the track, a worn piston kit will rob you of power and reliability. The Wiseco PK1590 delivers the durability and precision fit you need...09030649- SKU:
- 09030649
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- PISTON DIAMETER METRIC:
- 90.42 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 90.50 MM
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- DISPLACEMENT:
- 432 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
$254.95Qty in Cart: 0Quantity:Price:$254.95Subtotal: -
Wiseco Piston Kit for Honda TRX450FE 2002-2006 91.5mm 4 Stroke PK1592
WISECO
$294.95The Honda TRX450FE's original pistons will eventually wear, reducing compression and throttle response. This Wiseco piston kit restores—and improves—your engine's performance with high-silicone...09030651- SKU:
- 09030651
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- PISTON DIAMETER METRIC:
- 91.42 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 91.50 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- BORE - OVERSIZE METRIC:
- +1.50 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 68.00 MM
- TYPE:
- TOP END
- DISPLACEMENT:
- 432 CC
- PRODUCT NAME:
- REBUILD KIT
$294.95 -
Wiseco Piston Kit 96.00mm 13.5:1 Honda TRX450R 2006-2009 4905M09600
WISECO
$288.95The Wiseco Piston Kit delivers the precision and durability your TRX450R demands, whether you're pushing the limits on the track or tackling demanding terrain. Built to exact specifications, this 96...09101671- SKU:
- 09101671
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- DISPLACEMENT:
- 450 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 64.80 MM
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
$288.95 -
Wiseco Piston Kit with Gasket for Polaris Predator 500 2003-2007 PK1645
WISECO
$319.95When you're pushing your Predator 500 to its limits, a stock piston just won't cut it. Wiseco's forged piston kit delivers the durability and thermal stability needed for sustained high-RPM...09030653- SKU:
- 09030653
- Availability:
- Ships Same Business Day
- Weight:
- 2.34 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 499 CC
- STROKE LENGTH METRIC:
- 64.60 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 99.20 MM
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PISTON DIAMETER METRIC:
- 99.12 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$319.95Qty in Cart: 0Quantity:Price:$319.95Subtotal: -
Wiseco Piston Kit Standard Suzuki RM-Z 450 2008-2012 4953M09600
WISECO
$239.95If you're running a Suzuki RM-Z 450 (2008-2012) or RMX450Z, piston wear directly impacts power delivery, throttle response, and engine longevity. The Wiseco Piston Kit Standard restores combustion...09101679- SKU:
- 09101679
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 62.80 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 450 CC
- SKIRT COATING:
- MOLY COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
Wiseco 50cc Piston for KTM 50 SX 1998-2008 698M03900
WISECO
$132.95The Wiseco 50cc piston is engineered for KTM 50 SX riders who need reliable, consistent performance across a full season of racing or recreational riding. OEM pistons wear quickly under aggressive...09101692- SKU:
- 09101692
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 41.70 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- DISPLACEMENT:
- 50 CC
- BORE SIZE METRIC:
- 39.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$132.95 -
Wiseco Yamaha YFM80 Grizzly 2005 Piston Kit with Gasket PK1678
WISECO
$209.95A top-end rebuild demands precision components that won't compromise under sustained load or high RPM operation. The Wiseco YFM80 Grizzly piston kit delivers a complete solution with high-silicone...09030660- SKU:
- 09030660
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE SIZE METRIC:
- 47.00 MM
- PISTON DIAMETER METRIC:
- 46.97 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 45.60 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 79 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
$209.95Qty in Cart: 0Quantity:Price:$209.95Subtotal: -
Wiseco Piston Kit 68.50mm for Honda ATC250R 1985-1986 PK1081
WISECO
$284.95If you're running a Honda ATC250R and serious about maximizing engine output, top-end wear is your primary concern. The Wiseco Piston Kit PK1081 delivers factory-tight tolerances and forged...09030461- SKU:
- 09030461
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE METRIC:
- +2.50 MM
- BORE SIZE METRIC:
- 68.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,50 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- DISPLACEMENT:
- 246 CC
- PISTON DIAMETER METRIC:
- 68.43 MM
- SKIRT COATING:
- NON-COATED
$284.95Qty in Cart: 0Quantity:Price:$284.95Subtotal: -
Wiseco Yamaha YFZ350 Banshee 1987-2006 Piston Kit with Gaskets PK149
WISECO
$379.95When you're pushing your YFZ350 Banshee to the limit, stock pistons won't cut it. The Wiseco PK149 kit delivers the durability and precision engineering you need for reliable high-performance...09030465- SKU:
- 09030465
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- BORE - OVERSIZE:
- +0,50 MM
- PISTON MATERIAL:
- ALUMINUM
- DISPLACEMENT:
- 352 CC
- STROKE LENGTH METRIC:
- 54.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 64.50 MM
- MODEL:
- RACER'S CHOICE
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- UNITS:
- EACH
- COOLING SYSTEM:
- LIQUID COOLED
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
$379.95 -
Wiseco Piston Kit +2.10 Kawasaki KX 250 2004 843M06850
WISECO
$177.44If you're running a 2004 Kawasaki KX 250 and want measurable gains in peak RPM power and throttle response, a quality piston kit is one of the most direct upgrades available. The Wiseco +2.10 raises...09100664- SKU:
- 09100664
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 68.50 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +2,10 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +2.10 MM
- DISPLACEMENT:
- 265 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$177.44Qty in Cart: 0Quantity:Price:$177.44Subtotal: -
Wiseco Piston Kit Standard 94mm 10.5:1 Honda TRX450R 2004-2005 4848M09400
WISECO
$255.95If you're running a TRX450R in competitive or high-demand recreational settings, your stock piston won't cut it—you need a forged piston engineered to handle sustained power and maintain precision...09100665- SKU:
- 09100665
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 94 MM
- DISPLACEMENT:
- 450 CC
- SKIRT COATING:
- MOLY COATED
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.80 MM
- UNITS:
- EACH
$255.95 -
Wiseco Piston Kit Honda TRX450R 2004-2005 94.00mm 13.1:1 4851M09400
WISECO
$274.95The stock piston in your TRX450R has limits—upgrade to the Wiseco 94.00mm kit to reclaim lost compression efficiency and unlock measurable gains in throttle response and acceleration. This...09100668- SKU:
- 09100668
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 94 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 13.1:1
- DISPLACEMENT:
- 450 CC
- STROKE LENGTH METRIC:
- 64.80 MM
$274.95Qty in Cart: 0Quantity:Price:$274.95Subtotal: -
Wiseco 86mm Piston Kit for Honda TRX400EX 1999-2008 PK1038
WISECO
$319.95When you're pushing your TRX400EX to its limits, a worn or damaged top-end becomes the weak link in your drivetrain. The Wiseco 86mm Piston Kit delivers the strength and precision your engine needs...09030471- SKU:
- 09030471
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- BORE - OVERSIZE:
- +1,00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 86.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 397 CC
- PISTON DIAMETER METRIC:
- 85.95 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- TYPE:
- TOP END
$319.95Qty in Cart: 0Quantity:Price:$319.95Subtotal: -
WISECO Piston Kit - +4.50 mm - CR 85/80 766M05200
WISECO
$177.95The Wiseco Piston Kit delivers the high-temperature durability and precision geometry your Honda CR80R or CR85R needs to perform consistently at the edge of the track. Designed with proven coatings...09100322- SKU:
- 09100322
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +4.50 MM
- BORE SIZE METRIC:
- 52.00 MM
- DISPLACEMENT:
- 101,50 CC
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- BORE - OVERSIZE:
- +4,50 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 47.80 MM
$177.95Qty in Cart: 0Quantity:Price:$177.95Subtotal: -
Wiseco Piston Kit 95mm 12:1 Compression Yamaha YFZ450 2004-2005 PK1071
WISECO
$349.95If you're running a YFZ450 at the edge of its limits, a worn or damaged piston is the quickest path to catastrophic engine failure. This Wiseco kit delivers a complete top-end solution with a forged...09030474- SKU:
- 09030474
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- BORE SIZE METRIC:
- 95.00 MM
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON DIAMETER METRIC:
- 94.94 MM
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 62.00 MM
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 439 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco Piston Kit 0.50mm Oversize for 2004-2013 Honda CRF80F 4665M04800
WISECO
$160.95If you're rebuilding your Honda 80cc engine or pushing it to its limits on the track, a quality piston kit is fundamental to reliability and performance. The Wiseco 0.50mm oversize piston restores...09100324- SKU:
- 09100324
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 81 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 45.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- RIDING STYLE:
- OFF-ROAD
$160.95 -
Wiseco Piston Kit for Honda TRX450R 2004-2005 94mm PK1070
WISECO
$384.95If you're running a Honda TRX450R and pushing performance limits, a worn or damaged piston directly tanks your power output and engine reliability. The Wiseco PK1070 kit replaces your entire top-end...09030486- SKU:
- 09030486
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.1:1
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 93.92 MM
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 94.00 MM
- DISPLACEMENT:
- 450 CC
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.80 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- SKIRT COATING:
- ARMORGLIDE®
$384.95Qty in Cart: 0Quantity:Price:$384.95Subtotal: -
Wiseco Piston Kit 78mm 10.5:1 Compression for 1986-2004 Honda XR250R 4466M07800
WISECO
$238.95If you're running a Honda XR250R or XR250L and want measurable gains in power and throttle response, a quality piston kit is one of the most direct upgrades you can make. The Wiseco 78mm 10.5:1...09100755- SKU:
- 09100755
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +5,00 MM
- BORE SIZE METRIC:
- 78.00 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- +5.00 MM
- PRODUCT NAME:
- PISTON
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 59.50 MM
- UNITS:
- EACH
$238.95 -
Wiseco Piston Kit Honda CRF450R 2017-2025 4823M09600
WISECO
$269.95The stock piston in your CRF450R limits your engine's potential—increased heat stress, carbon buildup, and efficiency losses rob you of power and reliability. This Wiseco piston kit replaces those...09100758- SKU:
- 09100758
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 449 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- EACH
$269.95Qty in Cart: 0Quantity:Price:$269.95Subtotal: -
Wiseco Piston Kit 52mm 2003-2018 KTM 85/105 SX 855M05200
WISECO
$177.95Two-stroke engines demand precision components that can handle extreme combustion pressures and heat cycles. The Wiseco Piston Kit 855M05200 delivers exactly that—a CNC-machined, high-silicon...09030587- SKU:
- 09030587
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 104 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 48.95 MM
- BORE SIZE METRIC:
- 52.00 MM
- ENGINE TYPE:
- 2-STROKE
$177.95 -
Wiseco 200 EXC 1998-2016 Piston Kit 2.00mm Oversize 770M06600
WISECO
$184.95If you're running a KTM 200 EXC between 1998-2016 and want to reclaim lost compression and restore factory performance, a piston replacement is essential maintenance. This Wiseco kit delivers...09100776- SKU:
- 09100776
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 60.00 MM
- BORE SIZE METRIC:
- 66.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 193 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
$184.95 -
Wiseco Piston Kit 66.40mm for KTM 250 SX 2005-2016 856M06640
WISECO
$205.95A worn or stock piston limits your KTM 250's potential—this Wiseco kit restores compression, improves throttle response, and delivers the reliability needed for sustained high-RPM performance...09100778- SKU:
- 09100778
- Availability:
- Ships Same Business Day
- Weight:
- 0.71 LBS
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- STREET
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE SIZE METRIC:
- 66.40 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$205.95 -
Wiseco Piston Kit Standard KTM 300 EXC 2017 858M07200
WISECO
$234.95The Wiseco Piston Kit is engineered for KTM 300 EXC riders who demand reliability and consistent power delivery in demanding terrain. A quality piston directly impacts engine longevity and...09100779- SKU:
- 09100779
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 297 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 73.00 MM
$234.95Qty in Cart: 0Quantity:Price:$234.95Subtotal: -
Wiseco Piston Kit 95mm 13:1 Compression for KTM 450 SX 2003-2007 4806M09500
WISECO
$284.95If you're running a KTM 450 SX and want measurable gains in power delivery and engine durability, a high-compression piston kit is one of the most direct upgrades available. The Wiseco 13:1...09100785- SKU:
- 09100785
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- BORE SIZE METRIC:
- 95.00 MM
- RIDING STYLE:
- OFF-ROAD
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 449 CC
- STROKE LENGTH METRIC:
- 63.40 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$284.95Qty in Cart: 0Quantity:Price:$284.95Subtotal: -
Wiseco Piston Kit 0.50mm Oversize 70.00mm Bore Husqvarna CR250 WR250 1974-1984 137M07000
WISECO
$199.95Stock pistons are engineered for longevity, not peak performance—and every heat cycle pushes them closer to failure. The Wiseco Piston Kit delivers the precision engineering and premium materials...137M07000- SKU:
- 137M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE METRIC:
- +0.50 MM
- STROKE LENGTH METRIC:
- 64.50 MM
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.95 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 244.70 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$199.95 -
Wiseco Husqvarna CR250 1974-1984 1.0mm Piston Kit 137M07050
WISECO
$199.95The Wiseco Husqvarna CR250 Piston Kit delivers the precision engineering your classic machine needs to run at peak efficiency. A worn or stock piston limits your engine's potential—this high-silicon...137M07050- SKU:
- 137M07050
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- DISPLACEMENT:
- 244.70 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 64.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 70.50 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 70.45 MM
$199.95 -
Wiseco Piston Kit 1.50mm Oversize 71.00mm for Husqvarna CR250 1974-1984 137M07100
WISECO
$224.95If you're running a vintage Husqvarna CR250 or WR250, a worn piston kit directly limits your engine's ability to seal combustion pressure and maintain rpm stability. The Wiseco 1.50mm oversize piston...137M07100- SKU:
- 137M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- +1,50 MM
- STROKE LENGTH METRIC:
- 64.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 70.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.50 MM
- DISPLACEMENT:
- 244.70 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 71.00 MM
- PRODUCT NAME:
- PISTON KIT
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit Standard 1948-1964 Harley FL 1200cc K1605
WISECO
$382.95A complete top-end rebuild demands precision components that can handle sustained high RPM operation and thermal stress. The Wiseco Piston Kit delivers OEM-quality engineering with forged...K1605- SKU:
- K1605
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- BORE SIZE IMPERIAL:
- 3.437'
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
$382.95 -
Wiseco Piston Kit 0.020 1948-1964 Harley FLH K1607
WISECO
$378.95A worn or damaged piston kit compromises compression, throttle response, and overall engine reliability—especially critical if you're pushing higher boost levels or RPMs on your Big Twin. The Wiseco...K1607- SKU:
- K1607
- Availability:
- Ships Same Business Day
- Weight:
- 3.19 LBS
- BORE SIZE IMPERIAL:
- 3.457'
- PISTON MATERIAL:
- ALUMINUM ALLOY
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- BORE - OVERSIZE:
- +0,020'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- DISPLACEMENT:
- 1220 CC
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
$378.95 -
Wiseco Piston Kit 1948-1980 Harley-Davidson FLH Electra Glide 9:1 Compression K1608
WISECO
$378.95A top-end rebuild demands precision components that can handle the demands of high-compression combustion cycles without compromise. Wiseco's forged piston kit delivers the strength and thermal...K1608- SKU:
- K1608
- Availability:
- Ships Same Business Day
- Weight:
- 3.31 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- BORE SIZE IMPERIAL:
- 3.467'
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- UNITS:
- EACH
- DISPLACEMENT:
- 1227 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- BORE - OVERSIZE:
- +0,030'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
$378.95 -
Wiseco Piston Kit 1948-1964 Harley-Davidson FL 0.040" Oversize K1609
WISECO
$378.95A worn or damaged piston can kill engine performance and reliability—especially on vintage Big Twin Harleys that demand precision. The Wiseco K1609 piston kit delivers a complete solution for...K1609- SKU:
- K1609
- Availability:
- Ships Same Business Day
- Weight:
- 3.31 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- DISPLACEMENT:
- 1234 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 3-31/32'
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +0,040'
- BORE SIZE IMPERIAL:
- 3.477'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- RIDING STYLE:
- STREET
$378.95
