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
-
On Sale
Wiseco Piston Kit Honda TRX400EX 1999-2008 85.5mm 11:1 4628M08550
WISECO
MSRP: $238.95Now: $191.00Was: $238.95If you're running a Honda TRX400EX and want measurable gains in throttle response and engine reliability, a quality piston kit is non-negotiable. Wiseco pistons are engineered to tighter tolerances...09102831- SKU:
- 09102831
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BORE - OVERSIZE:
- +0,50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 397 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 85.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $238.95Now: $191.00Was: $238.95Qty in Cart: 0Quantity:Price:MSRP: $238.95Now: $191.00Was: $238.95Subtotal: -
On Sale
Wiseco Piston Kit 1984-1998 Harley-Davidson FLHR Road King K1666
WISECO
MSRP: $447.95Now: $348.00Was: $447.95If you're rebuilding a Big Twin engine or planning an overbore, you need pistons engineered to handle sustained performance without compromising reliability. The Wiseco K1666 Kit delivers...K1666- SKU:
- K1666
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- DISPLACEMENT:
- 1345 CC
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,010'
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- BORE SIZE IMPERIAL:
- 3.508'
- UNITS:
- EACH
MSRP: $447.95Now: $348.00Was: $447.95 -
On Sale
Wiseco Piston Kit 1998 Harley-Davidson FLHRI Road King K1667
WISECO
MSRP: $447.95Now: $348.00Was: $447.95Whether you're planning a full top-end rebuild or pushing your Big Twin into overbore territory, the Wiseco K1667 Piston Kit delivers the precision engineering needed to sustain increased compression...K1667- SKU:
- K1667
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,020'
- DISPLACEMENT:
- 1353 CC
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- BORE SIZE IMPERIAL:
- 3.518'
- TYPE:
- TOP END
- UNITS:
- EACH
MSRP: $447.95Now: $348.00Was: $447.95Qty in Cart: 0Quantity:Price:MSRP: $447.95Now: $348.00Was: $447.95Subtotal: -
On Sale
Wiseco Piston Kit 96mm 12:1 Compression Honda TRX450R 2006-2009 4899M09600
WISECO
MSRP: $243.95Now: $183.00Was: $243.95The Wiseco Piston Kit 96mm 12:1 is engineered for TRX450R/ER riders who demand reliable power delivery and durability in high-stress trail and competition conditions. A quality piston upgrade...09102844- SKU:
- 09102844
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 64.80 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 450 CC
MSRP: $243.95Now: $183.00Was: $243.95Qty in Cart: 0Quantity:Price:MSRP: $243.95Now: $183.00Was: $243.95Subtotal: -
On Sale
Wiseco Piston Kit Standard 56mm Bore KTM 150 SX 2009-2015 869M05600
WISECO
MSRP: $184.95Now: $157.00Was: $184.95The stock piston in your 150 SX will eventually wear, losing compression and throttle response—a Wiseco replacement restores that crisp power delivery while providing the durability needed for...09102883- SKU:
- 09102883
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 56.00 MM
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 58.50 MM
MSRP: $184.95Now: $157.00Was: $184.95Qty in Cart: 0Quantity:Price:MSRP: $184.95Now: $157.00Was: $184.95Subtotal: -
On Sale
Wiseco Piston Kit Standard Bore 97mm 12.5:1 Compression Yamaha YZ450F 2010-2013 40001M09700
WISECO
MSRP: $239.95Now: $204.00Was: $239.95If you're running a YZ450F, piston wear directly impacts your engine's power delivery and reliability—and a quality replacement is non-negotiable for serious riders. The Wiseco Piston Kit delivers...09102884- SKU:
- 09102884
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- STROKE LENGTH METRIC:
- 60.80 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 97.00 MM
- DISPLACEMENT:
- 449 CC
- PISTON MATERIAL:
- FORGED
MSRP: $239.95Now: $204.00Was: $239.95Qty in Cart: 0Quantity:Price:MSRP: $239.95Now: $204.00Was: $239.95Subtotal: -
On Sale
Wiseco Piston Kit Standard Bore 97mm 13.5:1 Compression Yamaha YZ450F 2010-2013 40002M09700
WISECO
MSRP: $269.95Now: $229.00Was: $269.95If you're running a YZ450F in competitive or high-demand recreational applications, piston wear directly impacts combustion efficiency and throttle response. This Wiseco piston kit delivers the...09102885- SKU:
- 09102885
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- STROKE LENGTH METRIC:
- 60.80 MM
- DISPLACEMENT:
- 449 CC
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- BORE SIZE METRIC:
- 97.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $269.95Now: $229.00Was: $269.95 -
On Sale
Wiseco Piston Kit Honda CRF250R 2010-2013 76.80mm 13.2:1 40003M07680
WISECO
MSRP: $189.95Now: $161.00Was: $189.95When your CRF250R's piston shows wear, combustion efficiency drops—losing power exactly when you need it most. The Wiseco 76.80mm piston kit restores lost performance while delivering the durability...09102886- SKU:
- 09102886
- Availability:
- Ships Same Business Day
- Weight:
- 0.54 LBS
- BORE SIZE METRIC:
- 76.80 MM
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 53.80 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $189.95Now: $161.00Was: $189.95 -
On Sale
Wiseco 1988-2003 Harley-Davidson XLH1200 Sportster 1200 Piston Kit K1687
WISECO
MSRP: $409.95Now: $348.00Was: $409.95A worn or damaged piston compromises compression, power delivery, and engine longevity—making a quality rebuild kit essential for any serious Sportster owner. The Wiseco K1687 delivers OEM-equivalent...K1687- SKU:
- K1687
- Availability:
- Ships Same Business Day
- Weight:
- 2.38 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,020'
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE IMPERIAL:
- 3.498'
- UNITS:
- EACH
MSRP: $409.95Now: $348.00Was: $409.95Qty in Cart: 0Quantity:Price:MSRP: $409.95Now: $348.00Was: $409.95Subtotal: -
On Sale
Wiseco Piston Kit Suzuki RM-Z250 2010-2023 40012M07700
WISECO
MSRP: $264.95Now: $225.00Was: $264.95Whether you're prepping for the gate or putting in lap time at the track, a worn or damaged piston compromises your RM-Z250's power delivery and engine longevity. The Wiseco Piston Kit delivers...09102892- SKU:
- 09102892
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.9:1
- DISPLACEMENT:
- 250 CC
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 77.00 MM
- STROKE LENGTH METRIC:
- 53.60 MM
MSRP: $264.95Now: $225.00Was: $264.95Qty in Cart: 0Quantity:Price:MSRP: $264.95Now: $225.00Was: $264.95Subtotal: -
On Sale
Wiseco Piston Kit 88mm 14.5:1 Compression Husqvarna FE350 2020-2021 40015M08800
WISECO
MSRP: $279.95Now: $238.00Was: $279.95If you're rebuilding your FE350's top end or pushing higher boost levels, a quality piston kit is non-negotiable—OEM pistons wear quickly under aggressive use, while Wiseco's forged construction and...09102894- SKU:
- 09102894
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 57.50 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 88.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.5:1
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- FORGED
MSRP: $279.95Now: $238.00Was: $279.95Qty in Cart: 0Quantity:Price:MSRP: $279.95Now: $238.00Was: $279.95Subtotal: -
On Sale
Wiseco Piston Kit 1.50mm Oversize Yamaha IT400 1977-1978 394M08650
WISECO
MSRP: $224.95Now: $191.00Was: $224.95Worn or damaged pistons compromise engine efficiency and reliability—especially in a high-revving two-stroke like the IT400. The Wiseco 394M08650 delivers OEM-quality performance with a 1.50mm...394M08650- SKU:
- 394M08650
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- DISPLACEMENT:
- 397 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE SIZE METRIC:
- 86.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 86.42 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 70.00 MM
- BORE - OVERSIZE:
- +1,50 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $224.95Now: $191.00Was: $224.95 -
On Sale
Wiseco Piston Kit for 2009-2015 Polaris RZR 170 40143M06200
WISECO
MSRP: $169.95Now: $144.00Was: $169.95Stock pistons in your RZR 170 limit performance and reliability under aggressive trail and racing conditions. The Wiseco Piston Kit delivers the strength and precision engineering needed to safely...09104181- SKU:
- 09104181
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 61.95 MM
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 58.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 62.00 MM
- DISPLACEMENT:
- 169 CC
- PRODUCT NAME:
- PISTON KIT
MSRP: $169.95Now: $144.00Was: $169.95 -
On Sale
Wiseco Piston Kit 96mm 13:1 Compression for Suzuki RM-Z450 2013-2023 40110M09600
WISECO
MSRP: $269.95Now: $229.00Was: $269.95High-compression pistons are critical for maximizing power output and engine longevity in demanding racing applications. The Wiseco 96mm 13:1 compression kit delivers precision-engineered...09103928- SKU:
- 09103928
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- DISPLACEMENT:
- 449 CC
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
MSRP: $269.95Now: $229.00Was: $269.95 -
On Sale
Wiseco Piston Kit Yamaha YFM700R Raptor 2015-2021 40119M10200
WISECO
MSRP: $232.95Now: $191.00Was: $232.95Stock pistons limit your Raptor's potential—Wiseco's precision-engineered design unlocks higher compression efficiency and throttle response for both track days and trail riding. This kit delivers...09103931- SKU:
- 09103931
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 686 CC
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 102.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 84.00 MM
MSRP: $232.95Now: $191.00Was: $232.95Qty in Cart: 0Quantity:Price:MSRP: $232.95Now: $191.00Was: $232.95Subtotal: -
On Sale
Wiseco Honda XR650R 2000-2007 100mm 10:1 Piston Kit 4715M10000
WISECO
MSRP: $239.95Now: $204.00Was: $239.95If you're running an XR650R and demanding more from your engine, a properly spec'd piston kit is non-negotiable. The Wiseco 4715M10000 delivers the compression ratio and material science your build...4715M10000- SKU:
- 4715M10000
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 100.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 82.60 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 644 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PISTON DIAMETER METRIC:
- 99.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
MSRP: $239.95Now: $204.00Was: $239.95 -
On Sale
Wiseco Piston Kit for 2007-2014 Polaris Outlaw 90 49mm 10.5:1 40122M04900
WISECO
MSRP: $163.08Now: $144.00Was: $163.08A worn or damaged piston directly limits your Outlaw 90's power delivery and engine reliability. The Wiseco Piston Kit restores full combustion efficiency and durability with precision-engineered...09103938- SKU:
- 09103938
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 49.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- STROKE LENGTH METRIC:
- 51.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 88,50 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
MSRP: $163.08Now: $144.00Was: $163.08 -
On Sale
Wiseco Piston Kit Yamaha YFM350 Grizzly 2007-2012 40123M08350
WISECO
MSRP: $224.95Now: $191.00Was: $224.95If you're running a Yamaha YFM350 Grizzly and want measurable gains in power delivery and engine longevity, a quality piston kit is one of the smartest upgrades you can make. The Wiseco Piston Kit...09103940- SKU:
- 09103940
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- DISPLACEMENT:
- 349 CC
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- BORE SIZE METRIC:
- 83.50 MM
- STROKE LENGTH METRIC:
- 64.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
MSRP: $224.95Now: $191.00Was: $224.95 -
On Sale
Wiseco Yamaha YFM660R 2001-2005 Piston Kit 4737M10000
WISECO
MSRP: $249.95Now: $212.00Was: $249.95A worn or damaged piston directly impacts your YFM660R's power delivery, fuel efficiency, and engine longevity. The Wiseco 4737M10000 restores your quad to factory performance specs using a...4737M10000- SKU:
- 4737M10000
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE SIZE METRIC:
- 100.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 99.92 MM
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 660 CC
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
MSRP: $249.95Now: $212.00Was: $249.95 -
On Sale
Wiseco Piston Kit Kawasaki KX450F 2015 96.03mm 12.8:1 40125M09603
WISECO
MSRP: $239.95Now: $204.00Was: $239.95When you're pushing your KX450F to its limits, your piston needs to handle extreme combustion pressures and sustained RPMs without breaking down. This Wiseco piston kit delivers the precision...09103942- SKU:
- 09103942
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 62.30 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 451 CC
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
MSRP: $239.95Now: $204.00Was: $239.95 -
On Sale
Wiseco YZ125 1976-1993 Piston Ring Set 56.5mm 2224CS
WISECO
MSRP: $24.95Now: $21.00Was: $24.95The WISECO Ring Set 2224CS is engineered for optimal performance and durability, specifically designed for a single piston application. This high-quality ring set ensures a perfect seal and enhances...2224CS- SKU:
- 2224CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- SET
- BORE SIZE METRIC:
- 56.50 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING
- DISPLACEMENT:
- 124 CC
MSRP: $24.95Now: $21.00Was: $24.95Qty in Cart: 0Quantity:Price:MSRP: $24.95Now: $21.00Was: $24.95Subtotal: -
On Sale
Wiseco 48.50mm Piston Ring Set for Kawasaki KX85 2014-2024 1909CS
WISECO
MSRP: $25.95Now: $21.00Was: $25.95Proper ring sealing is critical for maximizing compression, controlling blowby, and maintaining peak power delivery in your KX85. The Wiseco 1909CS ring set delivers precision engineering that...1909CS- SKU:
- 1909CS
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- DISPLACEMENT:
- 84,7 CC
- BORE SIZE METRIC:
- 48.50 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $25.95Now: $21.00Was: $25.95 -
On Sale
Wiseco Wrist Pin for Honda CR125R 1980-1984 Kawasaki KZ550D/H GPZ 1982-1983 Suzuki GSX-R600 2001-2003 S394
WISECO
MSRP: $23.95Now: $20.00Was: $23.95The Wiseco S394 wrist pin delivers the precision and durability demanded by high-performance 2-stroke and 4-stroke engines. Whether you're rebuilding a classic Honda CR125R or refreshing a modern...S394- SKU:
- S394
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- APPLICATION:
- PISTON
- PRODUCT NAME:
- WRIST PIN
- UNITS:
- EACH
- LENGTH:
- 50 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 14,00 MM
- RIDING STYLE:
- STREET
- OUTSIDE DIAMETER METRIC:
- 14.00 MM
- RIDING STYLE:
- OFF-ROAD
- LENGTH METRIC:
- 50 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
MSRP: $23.95Now: $20.00Was: $23.95 -
On Sale
Wiseco Wrist Pin 20mm x 55.5mm Arctic Cat Thundercat 900 1993-1997 S423
WISECO
MSRP: $22.99Now: $20.00Was: $22.99The Wiseco S423 wrist pin is engineered to handle the extreme demands of high-rpm Arctic Cat Thundercat 900 engines, delivering reliable performance across racing and performance-driven applications...S423- SKU:
- S423
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- OUTSIDE DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- WATERCRAFT
- LENGTH:
- 65 MM
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER:
- 20,00 MM
- PRODUCT NAME:
- WRIST PIN
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 65 MM
- MATERIAL:
- SILICONE
- RIDING STYLE:
- SNOW
- UNITS:
- EACH
MSRP: $22.99Now: $20.00Was: $22.99 -
On Sale
Wiseco Wrist Pin 18mm x 47mm for Polaris 500 Classic 2003 S459
WISECO
MSRP: $22.99Now: $20.00Was: $22.99A wrist pin is a critical load-bearing component that connects your piston to the connecting rod—any wear or failure here directly compromises engine reliability and performance. The Wiseco S459 is...S459- SKU:
- S459
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- LENGTH:
- 60 MM
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 60 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 18,00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- ATV
- UNITS:
- EACH
MSRP: $22.99Now: $20.00Was: $22.99Qty in Cart: 0Quantity:Price:MSRP: $22.99Now: $20.00Was: $22.99Subtotal: -
On Sale
Wiseco Wrist Pin for 1996-2005 Sea-Doo GTI S461
WISECO
MSRP: $22.99Now: $20.00Was: $22.99The Wiseco wrist pin is a critical component in maintaining piston stability and load transfer during high-RPM operation. If your Sea-Doo GTI S461 sees regular use on the water, a...S461- SKU:
- S461
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 20.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- WATERCRAFT
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 65 MM
- UNITS:
- EACH
- LENGTH:
- 65 MM
- OUTSIDE DIAMETER:
- 20,00 MM
- PRODUCT NAME:
- WRIST PIN
- MATERIAL:
- SILICONE
MSRP: $22.99Now: $20.00Was: $22.99 -
On Sale
Wiseco Wrist Pin 15mm x 41mm for Honda CR125R 1988-2003 S467
WISECO
MSRP: $22.99Now: $20.00Was: $22.99The Wiseco S467 wrist pin is a precision-engineered component critical for maintaining piston stability and minimizing lateral wear in high-RPM applications. For Honda CR125R two-stroke engines, this...S467- SKU:
- S467
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- LENGTH METRIC:
- 54.5 MM
- OUTSIDE DIAMETER:
- 15,00 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- WRIST PIN
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 15.00 MM
- UNITS:
- EACH
- LENGTH:
- 54,5 MM
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
MSRP: $22.99Now: $20.00Was: $22.99 -
On Sale
Wiseco Wrist Pin 18mm x 52.7mm for KTM 300 EXC 1991-1994 S477
WISECO
MSRP: $22.99Now: $20.00Was: $22.99The wrist pin is a critical connecting component that transfers combustion forces from the piston to the connecting rod—when it fails, your engine fails. The Wiseco S477 is engineered to handle the...S477- SKU:
- S477
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- LENGTH METRIC:
- 52.7 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 18,00 MM
- OUTSIDE DIAMETER METRIC:
- 18.00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- LENGTH:
- 52,7 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- WATERCRAFT
MSRP: $22.99Now: $20.00Was: $22.99 -
On Sale
Wiseco Wrist Pin 20mm x 66mm for Harley-Davidson Roadster 1000 XLS 1979-1985 S521
WISECO
MSRP: $24.99Now: $21.00Was: $24.99The Wiseco S521 wrist pin is engineered for Harley-Davidson Roadster engines that demand reliable, consistent performance under sustained high RPM operation. By pairing a lightweight design with...S521- SKU:
- S521
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 20 MM
- OUTSIDE DIAMETER METRIC:
- 20 MM
- LENGTH METRIC:
- 66 MM
- UNITS:
- EACH
- APPLICATION:
- PISTON
- LENGTH:
- 66 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- STREET
MSRP: $24.99Now: $21.00Was: $24.99 -
On Sale
Wiseco Wrist Pin Honda TRX300 FourTrax 1988-2000 S523
WISECO
MSRP: $23.99Now: $20.00Was: $23.99The wrist pin is a critical component that transfers combustion forces from the piston to the connecting rod, making it essential for reliable power delivery and engine longevity. A quality wrist pin...S523- SKU:
- S523
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 17,00 MM
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- ALUMINUM
- OUTSIDE DIAMETER METRIC:
- 17.00 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- PISTON
- LENGTH:
- 59,50 MM
- LENGTH METRIC:
- 59.50 MM
- PRODUCT NAME:
- WRIST PIN
MSRP: $23.99Now: $20.00Was: $23.99 -
On Sale
Wiseco Piston 100.5mm 11:1 Compression Yamaha YFM660R 2001-2005 4737M10050
WISECO
MSRP: $258.95Now: $212.00Was: $258.95Stock pistons wear out under sustained high RPM or aggressive riding, causing compression loss, increased blowby, and reduced power output. The Wiseco 4737M10050 restores your YFM660R's performance...4737M10050- SKU:
- 4737M10050
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- UTV
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 660 CC
- UNITS:
- KIT
- BORE SIZE METRIC:
- 100.50 MM
- PISTON DIAMETER METRIC:
- 100.42 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- SKIRT COATING:
- ARMORGLIDE®
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
MSRP: $258.95Now: $212.00Was: $258.95Qty in Cart: 0Quantity:Price:MSRP: $258.95Now: $212.00Was: $258.95Subtotal: -
On Sale
Wiseco Piston Kit Honda CRF150F 2006-2017 58mm 10:1 40132M05800
WISECO
MSRP: $154.95Now: $132.00Was: $154.95If you're rebuilding or refreshing your Honda CRF150F's engine, a quality piston kit is non-negotiable—it directly impacts compression ratio, power delivery, and engine longevity. The Wiseco 58mm...09103947- SKU:
- 09103947
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE SIZE METRIC:
- 58.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 58.00 MM
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
MSRP: $154.95Now: $132.00Was: $154.95Qty in Cart: 0Quantity:Price:MSRP: $154.95Now: $132.00Was: $154.95Subtotal: -
On Sale
Wiseco Piston Kit Husqvarna FC450 2014-2022 RE805M09500
WISECO
MSRP: $388.95Now: $323.00Was: $388.95The Wiseco Piston Kit RE805M09500 is engineered to deliver measurable gains in throttle response and peak torque output for your Husqvarna FC450. Whether you're pushing for podium finishes or...09105061- SKU:
- 09105061
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- RIDING STYLE:
- STREET
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 95.00 MM
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
MSRP: $388.95Now: $323.00Was: $388.95 -
On Sale
Wiseco TTR250 1999-2006 74mm Piston Kit 10.5:1 Compression 4689M07400
WISECO
MSRP: $194.95Now: $166.00Was: $194.95If you're running a TTR250 and demand reliable power delivery whether you're hammering the trail or competing on the track, the Wiseco 4689M07400 piston kit delivers the compression ratio and...4689M07400- SKU:
- 4689M07400
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 74.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 73.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STROKE LENGTH METRIC:
- 59.60 MM
MSRP: $194.95Now: $166.00Was: $194.95Qty in Cart: 0Quantity:Price:MSRP: $194.95Now: $166.00Was: $194.95Subtotal: -
On Sale
Wiseco Piston Kit Honda CRF450R 2017-2025 RE813M09600
WISECO
MSRP: $388.95Now: $323.00Was: $388.95A stock piston won't cut it when you're pushing your CRF450R to its limits. The Wiseco Racer Elite Piston Kit delivers the compression ratio, durability, and friction reduction your engine needs to...09105066- SKU:
- 09105066
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- BORE SIZE METRIC:
- 96.00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- RIDING STYLE:
- OFF-ROAD
MSRP: $388.95Now: $323.00Was: $388.95Qty in Cart: 0Quantity:Price:MSRP: $388.95Now: $323.00Was: $388.95Subtotal: -
On Sale
Wiseco Piston Kit Racer Elite Suzuki RMZ450 2008-2012 RE814M09600
WISECO
MSRP: $379.95Now: $323.00Was: $379.95If you're serious about squeezing maximum power out of your RMZ450, piston quality directly impacts your engine's ability to handle high RPMs and produce consistent power. The Wiseco Racer Elite...09105067- SKU:
- 09105067
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 14.0:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 96.00 MM
MSRP: $379.95Now: $323.00Was: $379.95Qty in Cart: 0Quantity:Price:MSRP: $379.95Now: $323.00Was: $379.95Subtotal: -
On Sale
Wiseco Piston Yamaha YZF-R1 1998-2025 0.50mm 451M08550
WISECO
MSRP: $243.95Now: $200.00Was: $243.95A worn or damaged piston directly compromises combustion efficiency, throttle response, and overall engine longevity—making piston replacement a critical maintenance item for any YZF-R1 owner serious...451M08550- SKU:
- 451M08550
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- DISPLACEMENT:
- 465 CC
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 82.00 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 85.42 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 85.50 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
MSRP: $243.95Now: $200.00Was: $243.95 -
On Sale
Wiseco Piston Kit Husqvarna TC65 2017-2022 RE920M04500
WISECO
MSRP: $171.95Now: $119.00Was: $171.95If you're running a TC65 at the limit, factory pistons won't cut it. The Wiseco Racer Elite piston kit is purpose-built for the demands of competitive two-stroke racing, delivering the strength,...09105100- SKU:
- 09105100
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 45.00 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
MSRP: $171.95Now: $119.00Was: $171.95Qty in Cart: 0Quantity:Price:MSRP: $171.95Now: $119.00Was: $171.95Subtotal: -
On Sale
Wiseco Piston Kit Kawasaki KZ 750 GPZ 1982-1985 K810
WISECO
MSRP: $854.95Now: $727.00Was: $854.95If you're rebuilding a Kawasaki KZ 750 GPZ or pushing your engine to its limits, factory pistons won't cut it. The Wiseco K810 kit delivers aerospace-grade durability and precision engineering in a...09030158- SKU:
- 09030158
- Availability:
- Ships Same Business Day
- Weight:
- 3.95 LBS
- RIDING STYLE:
- STREET
- BORE - OVERSIZE METRIC:
- +3.00 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 69.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 810 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.14 MM
- BORE - OVERSIZE:
- +3,00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
MSRP: $854.95Now: $727.00Was: $854.95 -
On Sale
Wiseco Piston Kit with Gaskets 55mm 2001 Yamaha YZ125 PK1350
WISECO
MSRP: $209.95Now: $178.00Was: $209.95When you're running a 2-cycle engine hard, piston failure isn't just an inconvenience—it's a race-ender. The Wiseco Piston Kit delivers the thermal stability and durability you need to keep your...09030228- SKU:
- 09030228
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 54.95 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 55.00 MM
- DISPLACEMENT:
- 124 CC
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
MSRP: $209.95Now: $178.00Was: $209.95
