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
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Wiseco Piston Kit Standard Yamaha YZ125 2005-2021 845M05400
WISECO
$129.95Upgrade your YZ 125/X with the WISECO Piston Kit, designed for optimal performance and durability. This kit ensures a precise fit and enhanced power delivery, making it a perfect choice for both...09100571- SKU:
- 09100571
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE SIZE METRIC:
- 54.00 MM
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
$129.95 -
Wiseco YZ85 2002-2018 Piston Kit with Gaskets PK1202
WISECO
$164.95Wiseco PK1202 Piston Kit Elevate your dirt bike's performance with the Wiseco PK1202 Piston Kit, meticulously crafted for high-performance 2-stroke engines. This piston kit combines advanced...09030299- SKU:
- 09030299
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 47.45 MM
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 47.50 MM
- DISPLACEMENT:
- 85 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 47.80 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$164.95 -
Wiseco Wrist Pin for 1987-1989 Honda TRX250R S482
WISECO
$22.99Experience the perfect blend of strength and lightweight design with Wiseco wrist pins. Engineered for optimal performance, these wrist pins are compatible with OEM pistons, making them an ideal...S482- SKU:
- S482
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
$22.99 -
Wiseco Piston Kit 89.00mm 11:1 Compression for Honda TRX400EX 1999-2008 4667M08900
WISECO
$249.95Enhance your Honda's performance with our high-quality 89.00 mm piston kit, specifically designed for 4-stroke engine models. This comprehensive kit includes everything you need for a seamless...4667M08900- SKU:
- 4667M08900
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
$249.95 -
Wiseco Piston Kit 54.00 mm KTM 125 SX 2001-2024 RE904M05400
WISECO
$204.95Elevate your engine's performance with our high-quality 54.00 mm Piston Kit, designed specifically for Gas Gas, Husaberg, Husqvarna, and KTM models. Engineered for durability and efficiency, this...09105086- SKU:
- 09105086
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
$204.95 -
Wiseco Piston Kit 68.50mm Yamaha YZ250 2002-2020 560M06850
WISECO
$199.95Unlock the full potential of your Yamaha YZ250 with this advanced piston kit, engineered for both trail and racing enthusiasts. Crafted from a high-silicon aluminum alloy, this piston offers...560M06850- SKU:
- 560M06850
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$199.95 -
Wiseco Piston Kit 68mm for 1985-1986 Suzuki LT250R 571M06800
WISECO
$189.95Elevate your racing experience with the Wiseco Piston Kit, expertly crafted for the Suzuki LT250R QuadRacer. Made from a high-silicon aluminum alloy, this piston kit ensures exceptional strength and...571M06800- SKU:
- 571M06800
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
$189.95 -
Wiseco 74mm Piston Kit for 1993-2008 Honda TRX300EX Sportrax PK1026
WISECO
$234.95Upgrade your Honda engine with our comprehensive piston kit, designed for optimal performance and reliability. This complete set includes everything you need for a successful top-end rebuild,...09030334- SKU:
- 09030334
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$234.95 -
Wiseco Piston Kit 81.50 mm Kawasaki JH750 1992-1995 813M08150
WISECO
$159.95Upgrade your Kawasaki's performance with the Wiseco 81.50 mm Piston Kit, engineered for optimal strength and minimal thermal expansion. This high-performance piston is designed specifically for...813M08150- SKU:
- 813M08150
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
$159.95 -
Wiseco DDR DRX70 2014-2019 Piston Kit 893M04760
WISECO
$119.95Engineered for excellence, Wiseco pistons are crafted from advanced aerospace aluminum alloys, ensuring unmatched durability and performance. With over 60 years of championship pedigree, these forged...09105610- SKU:
- 09105610
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
$119.95 -
WISECO Piston Kit - M8 K2805
WISECO
$524.95Piston Kit - M8 Feature ArmorX* piston coating for superior protection in extreme conditions and reduced wear, ArmorFit* skirt coating auto-adjusts to the cylinder wall so there*s no need to measure...09031679- SKU:
- 09031679
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
$524.95Qty in Cart: 0Quantity:Price:$524.95Subtotal: -
Wiseco Piston Kit 95mm for KTM 520 EXC 2000-2002 PK1851
WISECO
$369.95Upgrade your KTM engine with our complete Piston Kit, designed for optimal performance and durability. This kit includes everything you need for a seamless installation, ensuring your engine runs...09031162- SKU:
- 09031162
- Availability:
- Ships Same Business Day
- Weight:
- 1.84 LBS
$369.95 -
Wiseco Engine Rebuild Kit 52.50 mm Kawasaki KX100 1995-2013 PWR173-100
WISECO
$569.95Revitalize your Kawasaki KX100 with our comprehensive engine rebuild kit, designed for optimal performance and reliability. This kit includes meticulously crafted components that ensure your engine...09031681- SKU:
- 09031681
- Availability:
- Ships Same Business Day
- Weight:
- 7.85 LBS
$569.95 -
Wiseco Engine Rebuild Kit 80mm for 2008-2010 Polaris RZR 800 PWR223-800A
WISECO
$1,389.95Revitalize your Polaris engine with our comprehensive 80.00 mm Engine Rebuild Kit. This kit is designed for optimal performance and reliability, featuring premium components that ensure your engine...09031685- SKU:
- 09031685
- Availability:
- Ships Same Business Day
- Weight:
- 25.80 LBS
$1,389.95 -
Wiseco Piston Kit 88.00mm Ski-Doo Mach Z Adrenaline 2005-2007 2446M08800
WISECO
$215.12Enhance your Ski-Doo's performance with this high-quality piston kit, expertly crafted from a high-silicon alloy for superior strength and reliability. Designed for both trail and racing...09104028- SKU:
- 09104028
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
$215.12 -
On Sale
Wiseco Piston Kit 74mm Yamaha Exciter 1987-1990 SK1096
WISECO
MSRP: $360.63Now: $234.00Was: $360.63Revitalize your Yamaha's performance with our comprehensive Piston Kit designed for precise overboring or top-end rebuilds. This kit features high-quality forged pistons and all essential components...09031175- SKU:
- 09031175
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
MSRP: $360.63Now: $234.00Was: $360.63 -
On Sale
Wiseco Piston Kit 85.00mm Arctic Cat Thundercat 1000 1998-2001 SK1266
WISECO
MSRP: $618.32Now: $402.00Was: $618.32Revitalize your Arctic Cat's performance with our premium Piston Kit. Designed for overboring or rebuilding your top end, this comprehensive kit ensures you have everything you need for a successful...09031217- SKU:
- 09031217
- Availability:
- Ships Same Business Day
- Weight:
- 4.25 LBS
MSRP: $618.32Now: $402.00Was: $618.32 -
Wiseco Piston Kit 77.00mm Kawasaki KX250F 2006 13.5:1 Compression 4904M07700
WISECO
$224.95Elevate your riding experience with our precision-engineered 77.00 mm forged piston kit, specifically designed for Kawasaki engines. This high-performance piston combines exceptional strength and...09101670- SKU:
- 09101670
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
$224.95 -
WISECO Piston Kit with Gaskets - 68.00 mm - Yamaha WR/YZ 250 PK1563
WISECO
$259.95Piston Kit with Gaskets - 68.00 mm - Yamaha WR/YZ 250 Complete piston kit includes pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine, Wiseco pistons can be fitted...09030716- SKU:
- 09030716
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$259.95 -
Wiseco 94mm Piston Kit for 2004-2005 Honda TRX450R PK1068
WISECO
$384.95Upgrade your Honda engine with our complete 94.00 mm piston kit, designed for optimal performance and durability. This kit includes everything you need for a comprehensive rebuild, ensuring your...09030472- SKU:
- 09030472
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
$384.95 -
Wiseco 85.50mm Piston Kit for Honda XR400R 1996-2004 PK1037
WISECO
$319.95Upgrade your Honda engine's performance with this comprehensive piston kit. Designed specifically for a perfect fit, this kit includes everything you need for a complete rebuild, ensuring optimal...09030475- SKU:
- 09030475
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
$319.95Qty in Cart: 0Quantity:Price:$319.95Subtotal: -
Wiseco Piston Kit 95.00 mm Yamaha YFZ450R 2009-2019 RE819M09500
WISECO
$239.95Elevate your riding experience with our precision-engineered 95.00 mm forged piston kit, specifically crafted for Gas Gas and Yamaha engines. Designed to meet the highest performance standards, this...09100373- SKU:
- 09100373
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$239.95 -
Wiseco Piston Kit 92.00 mm Honda XR500R 1983-1984 4330M09200
WISECO
$239.95Elevate your riding experience with our precision-engineered 92.00 mm forged piston kit. Specifically designed for Honda engines, this piston offers unmatched durability and performance, making it...09102903- SKU:
- 09102903
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$239.95 -
Wiseco Piston Kit 72.00 mm Suzuki TM250 1972-1975 380M07200
WISECO
$224.95Unlock the full potential of your Suzuki with our premium 72.00 mm Piston Kit. Crafted from a high-silicon alloy, this piston delivers exceptional strength and reliability, making it ideal for both...380M07200- SKU:
- 380M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$224.95 -
Wiseco Piston Kit 85.00 mm Kawasaki KRF750 Teryx 2012-2013 40146M08500
WISECO
$199.95Upgrade your 4-stroke engine with our high-performance Piston Kit designed specifically for Kawasaki models. This comprehensive kit includes everything you need for a reliable and efficient engine...09104182- SKU:
- 09104182
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$199.95 -
Wiseco Piston Kit 76.50 mm Kawasaki KLF300B Bayou 2X4 1986-2003 4671M07650
WISECO
$194.95Upgrade your Kawasaki engine with our precision-engineered 76.50 mm forged piston kit. Designed for optimal performance and durability, this piston kit enhances your riding experience, whether on the...4671M07650- SKU:
- 4671M07650
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
$194.95 -
On Sale
Wiseco Piston Kit 84.00 mm Yamaha Big Bear 400 2000-2006 4676M08400
WISECO
MSRP: $179.40Now: $122.00Was: $179.40Upgrade your Yamaha 4-stroke engine with our high-performance 84.00 mm Piston Kit. Crafted in the USA, this kit ensures optimal engine efficiency and longevity, providing everything you need for a...4676M08400- SKU:
- 4676M08400
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
MSRP: $179.40Now: $122.00Was: $179.40 -
Wiseco 3.937in. Ring Set for Harley-Davidson FLHRXS Road King Special 2017-2019 3937VMF
WISECO
$49.95Elevate your engine's performance with the Wiseco Ring Set 3937VMF, meticulously crafted for Wiseco pistons. This high-performance ring set guarantees superior sealing and durability, making it an...09120927- SKU:
- 09120927
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
Wiseco 4.125in Ring Set for Harley-Davidson Softail Street Bob 2018-2021 4125VMF
WISECO
$49.95Ensure optimal performance and longevity of your engine with the Wiseco Replacement Ring Set, specifically designed for Wiseco pistons. This high-quality ring set guarantees a perfect fit and...09120929- SKU:
- 09120929
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95 -
Wiseco 4.250in Ring Set for Harley-Davidson FLHR Road King 2017-2023 4250VMF
WISECO
$49.95Elevate your engine's performance with the Wiseco Ring Set 4250VMF, engineered for superior efficiency and reliability. This replacement set is designed to ensure a perfect fit, making it an...09120930- SKU:
- 09120930
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95 -
Wiseco Ring Set 3.875in 2006 Harley-Davidson Street Bob FXDB 3875VMF
WISECO
$49.95Ensure optimal performance and longevity of your engine with the Wiseco Replacement Ring Set, specifically designed for Wiseco pistons. This high-quality ring set guarantees a perfect fit and...09120931- SKU:
- 09120931
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95 -
Wiseco 3.885 in. Bore Piston Ring Set for Harley-Davidson FLHTCU 2006 3885VMF
WISECO
$49.95Ensure optimal performance and longevity of your engine with the Wiseco Replacement Ring Set, specifically designed for Wiseco pistons. This high-quality ring set guarantees a perfect fit and...09120932- SKU:
- 09120932
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$49.95 -
Wiseco 3.895in Ring Set for Harley-Davidson Twin Cam 103 2014-2017 3895VMF
WISECO
$39.99Elevate your engine's performance with the Wiseco Ring Set 3895VMF, designed to optimize the functionality of your Wiseco pistons. This premium ring set guarantees improved sealing and efficiency,...09120933- SKU:
- 09120933
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$39.99 -
Wiseco Ring Set for Harley-Davidson Softail Low Rider S FXLRS 2020-2021 4060VMF
WISECO
$49.95Elevate your engine's performance with our top-tier replacement ring set, meticulously crafted for Wiseco pistons. This set ensures optimal sealing and compression, leading to improved efficiency and...09120934- SKU:
- 09120934
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$49.95 -
Wiseco 4.135in Bore Piston Ring Set for 2022-2023 Harley-Davidson FLHXST Street Glide ST 4022GFX
WISECO
$43.95Enhance your engine's performance with the Wiseco Ring Set 4022GFX, meticulously crafted for superior efficiency and longevity. Designed for both competitive racing and daily driving, this ring set...09120935- SKU:
- 09120935
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$43.95 -
Wiseco 4.25in Bore Replacement Ring Set for Harley-Davidson FXLRST 2022-2023 4135GFX
WISECO
$49.95Ensure optimal performance and longevity of your engine with the Wiseco Replacement Ring Set, specifically designed for Wiseco pistons. This high-quality ring set guarantees a perfect fit and...09120936- SKU:
- 09120936
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
$49.95 -
WISECO Piston Kit - 54.00 mm - Yamaha 899M05400
WISECO
$129.95Piston Kit - 54.00 mm - Yamaha Designed for all-purpose 2-stroke riding, Durability, longevity and increased horsepower, Dedicated forging design for strength-to-weight optimization, Extra lightening...09106456- SKU:
- 09106456
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
$129.95 -
Wiseco Piston Kit 54.00 mm Yamaha YZ125 2005-2021 846M05400
WISECO
$174.95Elevate your engine's performance with our premium 54.00 mm Piston Kit designed specifically for Yamaha models. Engineered for endurance and high RPM capabilities, this kit ensures maximum wear...09106458- SKU:
- 09106458
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
$174.95 -
Wiseco Chevy LS Series 4.005" Bore -3.2cc Flat Top Pistons 1998-2002 Camaro Z28 K398X05
WISECO
$944.99Upgrade your engine with the GM LS FT Piston Set, designed for optimal performance and durability. This professional-grade forged piston set features precision engineering for enhanced power and...WISK398X05- SKU:
- WISK398X05
- Availability:
- Ships Same Business Day
- Weight:
- 14.05 LBS
$944.99 -
Wiseco Piston Kit 69.25mm for Polaris 440 1992-1998 2343M06925
WISECO
$144.95Upgrade your Polaris engine with the WISECO Piston 2343M06925, designed for optimal performance and durability. This high-quality piston ensures a precise fit and enhanced combustion efficiency,...09103992- SKU:
- 09103992
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 60.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 452 CC
- RIDING STYLE:
- SNOW
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 67.75 MM
$144.95
