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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On Sale
Wiseco Piston Kit for Honda XR650L 1993-2021 4989M10000
WISECO
MSRP: $248.95Now: $204.00Was: $248.95The Wiseco Piston Kit is engineered for riders who need reliable, consistent performance from their Honda XR650L across all conditions—from high-altitude trails to sustained highway cruising...09102939- SKU:
- 09102939
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE SIZE METRIC:
- 100.00 MM
- STROKE LENGTH METRIC:
- 82.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- OFF-ROAD
MSRP: $248.95Now: $204.00Was: $248.95 -
On Sale
Wiseco Piston Kit Honda CR125R 1979-1984 65.50mm 4156M06550
WISECO
MSRP: $177.95Now: $149.00Was: $177.95The Wiseco 4156M06550 piston kit delivers the reliability and precision your Honda CR125R demands, whether you're pushing hard on the track or tackling technical terrain. Engineered from high-silicon...4156M06550- SKU:
- 4156M06550
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- DISPLACEMENT:
- 192 CC
- SKIRT COATING:
- NON-COATED
- BORE SIZE METRIC:
- 65.50 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STROKE LENGTH METRIC:
- 57.80 MM
- PISTON DIAMETER METRIC:
- 65.45 MM
- PRODUCT NAME:
- PISTON KIT
MSRP: $177.95Now: $149.00Was: $177.95 -
On Sale
Wiseco Honda XR650L 1993-2021 Piston Kit 4989M10241
WISECO
MSRP: $269.95Now: $229.00Was: $269.95The Wiseco 4989M10241 piston kit delivers measurable gains in compression ratio and combustion efficiency for your XR650L, translating directly to improved throttle response and mid-range power...09102941- SKU:
- 09102941
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- STROKE LENGTH METRIC:
- 82.00 MM
- PISTON MATERIAL:
- FORGED
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- BORE - OVERSIZE:
- +2,40 MM
- BORE - OVERSIZE METRIC:
- +2.40 MM
- BORE SIZE METRIC:
- 102.40 MM
- DISPLACEMENT:
- 650 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
MSRP: $269.95Now: $229.00Was: $269.95Qty in Cart: 0Quantity:Price:MSRP: $269.95Now: $229.00Was: $269.95Subtotal: -
On Sale
Wiseco Piston Kit 83mm Oversize for 2007-2013 Can-Am Outlander 500 40028M08300
WISECO
MSRP: $189.95Now: $115.00Was: $189.95When your Can-Am Outlander 500 starts showing signs of wear or you're pushing beyond stock power limits, a quality piston kit is essential to maintain compression, reliability, and performance. The...09104149- SKU:
- 09104149
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 496 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 83.00 MM
- PISTON DIAMETER METRIC:
- 82.95 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 47.00 MM
MSRP: $189.95Now: $115.00Was: $189.95 -
On Sale
Wiseco Piston Kit Honda CRF450R 2002-2008 1mm Oversize 4332M10100
WISECO
MSRP: $239.95Now: $204.00Was: $239.95If you're running a CRF450R past 2008 and demand reliable power delivery, a 1mm overbore piston kit is a smart investment—it restores compression in worn cylinders while unlocking modest displacement...4332M10100- SKU:
- 4332M10100
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE:
- +1,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE SIZE METRIC:
- 101.00 MM
- DISPLACEMENT:
- 589 CC
- PISTON DIAMETER METRIC:
- 100.95 MM
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 75.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
MSRP: $239.95Now: $204.00Was: $239.95Qty in Cart: 0Quantity:Price:MSRP: $239.95Now: $204.00Was: $239.95Subtotal: -
On Sale
Wiseco Piston Kit 2.00mm Oversize 58.00mm Bore Yamaha YZ125 1976-1982 435M05800
WISECO
MSRP: $179.95Now: $153.00Was: $179.95Yamaha YZ125 owners running 1976–1982 models face inevitable piston wear under competitive riding conditions. The Wiseco 435M05800 kit addresses this head-on with a 2.00mm oversize bore and...435M05800- SKU:
- 435M05800
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE SIZE METRIC:
- 58.00 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 57.95 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $179.95Now: $153.00Was: $179.95Qty in Cart: 0Quantity:Price:MSRP: $179.95Now: $153.00Was: $179.95Subtotal: -
On Sale
Wiseco Piston Kit Suzuki LT-4WD QuadRunner 250 1987-1995 4382M06650
WISECO
MSRP: $174.95Now: $149.00Was: $174.95When you're pushing your LT-4WD QuadRunner 250 hard on the trail or at the track, your factory pistons can become a bottleneck. The Wiseco 4382M06650 piston kit delivers the strength and precision...4382M06650- SKU:
- 4382M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 229 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- DISPLACEMENT:
- 249 CC
- STROKE LENGTH METRIC:
- 67.00 MM
- PISTON DIAMETER METRIC:
- 66.45 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
MSRP: $174.95Now: $149.00Was: $174.95Qty in Cart: 0Quantity:Price:MSRP: $174.95Now: $149.00Was: $174.95Subtotal: -
On Sale
Wiseco Piston Kit 1mm Oversize 67.95mm Compression 10.25:1 for Suzuki LT-4WD QuadRunner 250 1987-1996 4382M06700
WISECO
MSRP: $174.95Now: $149.00Was: $174.95When you're pushing your LT-4WD QuadRunner to the limit—whether on the trail or at the track—stock internals become your weakest link. The Wiseco 1mm oversize piston kit delivers the strength and...4382M06700- SKU:
- 4382M06700
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- STROKE LENGTH METRIC:
- 67.00 MM
- DISPLACEMENT:
- 229 CC
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- RIDING STYLE:
- ATV
- BORE - OVERSIZE:
- +1,00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 67.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- PISTON DIAMETER METRIC:
- 66.95 MM
- SKIRT COATING:
- NON-COATED
MSRP: $174.95Now: $149.00Was: $174.95Qty in Cart: 0Quantity:Price:MSRP: $174.95Now: $149.00Was: $174.95Subtotal: -
On Sale
Wiseco 67.50mm Piston Kit for Arctic Cat 250 1999-2005 and Suzuki LT-4WD QuadRunner 250 1987-1995 4382M06750
WISECO
MSRP: $194.95Now: $166.00Was: $194.95A worn or damaged piston directly compromises engine efficiency, throttle response, and reliability—especially critical for high-performance ATV and sport quad applications. The Wiseco 4382M06750...4382M06750- SKU:
- 4382M06750
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 67.45 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- BORE - OVERSIZE:
- +1,50 MM
- BORE SIZE METRIC:
- 67.50 MM
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 67.00 MM
- BORE - OVERSIZE METRIC:
- +1.50 MM
- DISPLACEMENT:
- 229 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ATV
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
MSRP: $194.95Now: $166.00Was: $194.95Qty in Cart: 0Quantity:Price:MSRP: $194.95Now: $166.00Was: $194.95Subtotal: -
On Sale
Wiseco Piston Kit Honda ATC350X 1985-1986 4393M08100
WISECO
MSRP: $202.95Now: $166.00Was: $202.95The Wiseco Piston Kit is engineered to restore or upgrade your Honda ATC350X with factory-spec reliability and enhanced durability. If you're serious about trail performance or planning race-oriented...4393M08100- SKU:
- 4393M08100
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.25:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- DISPLACEMENT:
- 350.4 CC
- PISTON DIAMETER METRIC:
- 80.95 MM
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 81.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 68.00 MM
MSRP: $202.95Now: $166.00Was: $202.95 -
On Sale
Wiseco LS 4.030 Dome Piston Set +11cc 1/16 1/16 3.0 1997-2004 Chevrolet Corvette WISK444X3
WISECO
MSRP: $1,098.99Now: $934.00Was: $1,142.99If you're building a high-compression LS engine for your C5 Corvette, piston selection directly impacts your power output, fuel efficiency, and long-term reliability. Wiseco's precision-forged...WISK444X3- SKU:
- WISK444X3
- Availability:
- Ships Same Business Day
- Weight:
- 14.05 LBS
MSRP: $1,098.99Now: $934.00Was: $1,142.99 -
On Sale
Wiseco GM LS-Series 4.010 Bore -3.2cc Flat Top Piston & Ring Kit K398X1
WISECO
MSRP: $944.99Now: $803.00Was: $982.99If you're building or rebuilding an LS engine, piston selection directly impacts combustion efficiency, detonation resistance, and overall power delivery. The Wiseco GM LS-Series K398X1 delivers the...WISK398X1- SKU:
- WISK398X1
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
MSRP: $944.99Now: $803.00Was: $982.99 -
On Sale
Wiseco 2.3L 4-Cylinder Piston Set 3.820in Bore -3.4cc K157A4
WISECO
MSRP: $473.99Now: $403.00Was: $492.99The Wiseco K157A4 piston set delivers the precision and durability you need to build a reliable, high-revving 2.3L engine. Engineered with forged construction and a flat-top design, these pistons...WISK157A4- SKU:
- WISK157A4
- Availability:
- Ships Same Business Day
- Weight:
- 4.72 LBS
- MFG Part #:
- K157A4
MSRP: $473.99Now: $403.00Was: $492.99 -
On Sale
Wiseco 1979-1986 Ford Mustang 2.3L 3.810in Bore Flat Top Piston Set WISK120A3
WISECO
MSRP: $473.99Now: $403.00Was: $492.99If you're rebuilding your 2.3L Ford engine or pushing it toward higher compression ratios, a quality piston set is non-negotiable. Wiseco's forged flat-top design delivers the strength you need for...WISK120A3- SKU:
- WISK120A3
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- MFG Part #:
- K120A3
MSRP: $473.99Now: $403.00Was: $492.99Qty in Cart: 0Quantity:Price:MSRP: $473.99Now: $403.00Was: $492.99Subtotal: -
On Sale
Wiseco SBC Flat Spiral Pin Locks 0.927 in Wrist Pin Diameter 0.075 in Thick WISCS-24
WISECO
MSRP: $3.50Now: $3.00Was: $4.99Wrist pin locks are critical to engine reliability—they prevent your piston pins from shifting under load, which can cause catastrophic engine failure. If you're rebuilding an SBC or running it hard...WISCS-24- SKU:
- WISCS-24
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- CS-24
MSRP: $3.50Now: $3.00Was: $4.99 -
On Sale
Wiseco Wrist Pin for Honda CRF125F 2014-2021 S538
WISECO
MSRP: $22.99Now: $20.00Was: $22.99The wrist pin is a critical load-bearing component that directly transfers combustion forces from the piston to the connecting rod. A failing or worn wrist pin compromises engine reliability, reduces...S538- SKU:
- S538
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
MSRP: $22.99Now: $20.00Was: $22.99Qty in Cart: 0Quantity:Price:MSRP: $22.99Now: $20.00Was: $22.99Subtotal: -
On Sale
Wiseco Piston Kit 95.00 mm Yamaha YZ450F 2006-2009 4694M09500
WISECO
MSRP: $269.95Now: $229.00Was: $269.95If you're rebuilding your YZ450F or pushing higher RPMs on the track, a worn or damaged piston directly kills power and reliability. This Wiseco forged piston kit restores compression, improves...09102919- SKU:
- 09102919
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
MSRP: $269.95Now: $229.00Was: $269.95Qty in Cart: 0Quantity:Price:MSRP: $269.95Now: $229.00Was: $269.95Subtotal: -
On Sale
Wiseco Piston Kit 66.50mm for 1985-1986 Honda ATC250R PK1075
WISECO
MSRP: $259.95Now: $221.00Was: $259.95A worn top end will cost you power and reliability on the track or trail. This Wiseco piston kit gives you everything needed for a complete rebuild—pistons, rings, wrist pins, circlips, and...09030340- SKU:
- 09030340
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
MSRP: $259.95Now: $221.00Was: $259.95Qty in Cart: 0Quantity:Price:MSRP: $259.95Now: $221.00Was: $259.95Subtotal: -
On Sale
Wiseco Engine Rebuild Kit 66.40mm Bore Yamaha YZ250 2003-2020 PWR134-100
WISECO
MSRP: $710.95Now: $557.00Was: $710.95A worn or damaged YZ250 engine demands a complete rebuild to restore competitive performance and reliability. This Wiseco kit eliminates the guesswork by bundling OEM-specification components in one...09031519- SKU:
- 09031519
- Availability:
- Ships Same Business Day
- Weight:
- 13.30 LBS
MSRP: $710.95Now: $557.00Was: $710.95 -
On Sale
Wiseco Clutch Basket Yamaha YZ125 2005-2025 WPP3032
WISECO
MSRP: $329.95Now: $255.00Was: $329.95A worn or marginal clutch basket compromises power delivery and creates inconsistent engagement—critical liabilities whether you're racing or logging serious trail hours on your YZ125. This Wiseco...11320236- SKU:
- 11320236
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
MSRP: $329.95Now: $255.00Was: $329.95 -
On Sale
Wiseco Piston Kit 79mm Bore Ski-Doo MX Z 670 1996 2379M07900
WISECO
MSRP: $187.08Now: $159.00Was: $187.08When you're pushing your Ski-Doo MX Z 670 to its limits, factory internals won't cut it. This Wiseco piston kit delivers the durability and precision you need to reliably handle elevated boost and...2379M07900- SKU:
- 2379M07900
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
MSRP: $187.08Now: $159.00Was: $187.08Qty in Cart: 0Quantity:Price:MSRP: $187.08Now: $159.00Was: $187.08Subtotal: -
On Sale
Wiseco Piston Kit 81mm Bore for 2007-2008 Polaris 700 Dragon 2457M08100
WISECO
MSRP: $179.95Now: $153.00Was: $179.95The stock piston in your 2007-2008 Polaris 700 Dragon will eventually wear, causing compression loss, power degradation, and engine damage. The Wiseco Piston Kit 81mm delivers a precision-engineered...09104043- SKU:
- 09104043
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
MSRP: $179.95Now: $153.00Was: $179.95Qty in Cart: 0Quantity:Price:MSRP: $179.95Now: $153.00Was: $179.95Subtotal: -
On Sale
Wiseco 4.080in Ring Set for Harley-Davidson Softail Standard 2020-2023 4080GFX
WISECO
MSRP: $35.54Now: $30.00Was: $35.54Piston ring quality directly impacts compression, blow-by control, and engine longevity—especially in high-demand applications like modern Harley-Davidson Softails. The Wiseco 4080GFX Ring Set is...09120928- SKU:
- 09120928
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $35.54Now: $30.00Was: $35.54Qty in Cart: 0Quantity:Price:MSRP: $35.54Now: $30.00Was: $35.54Subtotal: -
On Sale
Wiseco 4000GFX Ring Set for 1998-2002 Chevrolet Camaro Z28
WISECO
MSRP: $34.43Now: $29.00Was: $34.43The Wiseco 4000GFX Ring Set is engineered for the demanding requirements of LS1-powered Camaro Z28 engines, delivering precision combustion chamber sealing that maintains compression integrity across...09120937- SKU:
- 09120937
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
MSRP: $34.43Now: $29.00Was: $34.43 -
On Sale
Wiseco Piston Kit 95.00 mm 12.75:1 Compression Ratio for 2014-2022 Husqvarna FC450 40297M09500
WISECO
MSRP: $288.95Now: $217.00Was: $288.95When you're pushing your FC450 to its limits, stock pistons won't cut it. This Wiseco forged piston kit delivers the strength, precision tolerances, and reliability demanded by serious 4-stroke...09106542- SKU:
- 09106542
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
MSRP: $288.95Now: $217.00Was: $288.95 -
On Sale
Wiseco GM LS-Series 4.070 Bore -11cc Piston & Ring Set K444X7
WISECO
MSRP: $1,098.99Now: $934.00Was: $1,142.99If you're building or rebuilding a GM LS-Series engine for racing or high-performance street duty, piston selection directly impacts reliability under boost and sustained high RPM. Wiseco's...WISK444X7- SKU:
- WISK444X7
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $1,098.99Now: $934.00Was: $1,142.99 -
On Sale
Wiseco Piston Kit Yamaha YFM660R 2001-2005 102mm 11:1 4811M10200
WISECO
MSRP: $274.95Now: $234.00Was: $274.95If you're running a Yamaha YFM660R and want to extract genuine performance gains, a properly-sized piston kit is fundamental—this Wiseco unit delivers the overbore capacity and compression ratio...09100287- SKU:
- 09100287
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 102.00 MM
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE METRIC:
- +2.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 686 CC
- PISTON MATERIAL:
- FORGED
MSRP: $274.95Now: $234.00Was: $274.95Qty in Cart: 0Quantity:Price:MSRP: $274.95Now: $234.00Was: $274.95Subtotal: -
On Sale
Wiseco Piston Kit for Honda TRX450R 2006-2009 PK1413
WISECO
MSRP: $349.95Now: $297.00Was: $349.95If you're running your TRX450R hard on the track or trail, factory pistons won't cut it. The Wiseco PK1413 piston kit delivers the strength and thermal stability you need to push higher RPMs without...09030479- SKU:
- 09030479
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON DIAMETER METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 64.80 MM
- UNITS:
- KIT
- BORE SIZE METRIC:
- 96.00 MM
- PRODUCT NAME:
- REBUILD KIT
- DISPLACEMENT:
- 450 CC
- MODEL:
- FORGED SERIES
MSRP: $349.95Now: $297.00Was: $349.95Qty in Cart: 0Quantity:Price:MSRP: $349.95Now: $297.00Was: $349.95Subtotal: -
On Sale
Wiseco Piston Kit 2.00mm Oversize 73.95mm Yamaha YZ250 1976-1979 234M07200
WISECO
MSRP: $232.95Now: $191.00Was: $232.95When you're pushing a classic YZ250 to its limits, a worn or damaged piston compromises compression, throttle response, and overall reliability. The Wiseco 234M07200 restores lost performance with a...234M07200- SKU:
- 234M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- +2,00 MM
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 71.95 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- STROKE LENGTH METRIC:
- 64.00 MM
- DISPLACEMENT:
- 246 CC
- PRODUCT NAME:
- PISTON KIT
MSRP: $232.95Now: $191.00Was: $232.95Qty in Cart: 0Quantity:Price:MSRP: $232.95Now: $191.00Was: $232.95Subtotal: -
On Sale
Wiseco Clutch Basket Yamaha YFZ450R 2009-2013 WPP3031
WISECO
MSRP: $289.95Now: $221.00Was: $289.95A worn or stock clutch basket limits your YFZ450R's ability to deliver consistent power and responsiveness—especially under aggressive riding or racing conditions. The Wiseco WPP3031 reduces...11320235- SKU:
- 11320235
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MATERIAL:
- PTFE
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- BLACK
- MODEL:
- PRECISION FORGED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- OFF-ROAD
MSRP: $289.95Now: $221.00Was: $289.95Qty in Cart: 0Quantity:Price:MSRP: $289.95Now: $221.00Was: $289.95Subtotal: -
On Sale
Wiseco Clutch Basket for Suzuki DR-Z400S 2000-2004 WPP3020
WISECO
MSRP: $289.95Now: $229.00Was: $289.95A worn or stock clutch basket directly impacts your DR-Z400S's throttle response and overall drivetrain efficiency. The Wiseco WPP3020 reduces rotational mass to sharpen engine revs and improve power...11320241- SKU:
- 11320241
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CLUTCH BASKET
- COLOR/FINISH:
- BLACK
- MODEL:
- PRECISION FORGED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- MATERIAL:
- PTFE
MSRP: $289.95Now: $229.00Was: $289.95 -
On Sale
Wiseco 75mm Ring Set for Honda TRX300 FourTrax 1988-2000 2953XC
WISECO
MSRP: $49.95Now: $42.00Was: $49.95If you're rebuilding or high-revving your Honda TRX300 FourTrax, worn piston rings are a silent killer—they'll tank your compression, spike blow-by, and rob you of power. The Wiseco 2953XC Ring Set...2953XC- SKU:
- 2953XC
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- DISPLACEMENT:
- 282 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 75.00 MM
- DISPLACEMENT:
- 246 CC
- UNITS:
- SET
MSRP: $49.95Now: $42.00Was: $49.95Qty in Cart: 0Quantity:Price:MSRP: $49.95Now: $42.00Was: $49.95Subtotal: -
On Sale
WISECO Piston Kit - Kawasaki WK1061
WISECO
MSRP: $389.95Now: $331.00Was: $389.95A 2-cycle engine rebuild demands precision components that can withstand sustained high RPM loads and thermal stress. The Wiseco WK1061 piston kit eliminates the guesswork by bundling OEM-grade...WK1061- SKU:
- WK1061
- Availability:
- Ships Same Business Day
- Weight:
- 2.94 LBS
- DISPLACEMENT:
- 760 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 80.89 MM
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE SIZE METRIC:
- 81.00 MM
- PRODUCT NAME:
- REBUILD KIT
MSRP: $389.95Now: $331.00Was: $389.95Qty in Cart: 0Quantity:Price:MSRP: $389.95Now: $331.00Was: $389.95Subtotal: -
On Sale
Wiseco Piston Kit Standard Bore 85mm 11.5:1 Compression Kawasaki KVF750 Brute Force 2005-2011 4897M08500
WISECO
MSRP: $199.95Now: $170.00Was: $199.95Whether you're rebuilding after engine wear or upgrading for increased displacement, the Wiseco Piston Kit delivers the precision engineering your KVF750 demands. This standard bore 85mm piston...09102842- SKU:
- 09102842
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 85.00 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- DISPLACEMENT:
- 749 CC
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 66.00 MM
MSRP: $199.95Now: $170.00Was: $199.95Qty in Cart: 0Quantity:Price:MSRP: $199.95Now: $170.00Was: $199.95Subtotal: -
On Sale
Wiseco 66.5mm Piston Kit for 1979-1981 Yamaha DT175 471M06650
WISECO
MSRP: $162.95Now: $132.00Was: $162.95When your DT175's original piston wears out, you're facing either a seized engine or a complete rebuild—neither is cheap. The Wiseco 471M06650 delivers the durability and precision you need to...471M06650- SKU:
- 471M06650
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE:
- +0,50 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 66.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 66.50 MM
- DISPLACEMENT:
- 172 CC
- STROKE LENGTH METRIC:
- 50.00 MM
MSRP: $162.95Now: $132.00Was: $162.95 -
On Sale
WISECO Ring Set 2224CD
WISECO
MSRP: $52.95Now: $42.00Was: $52.95Each ring set is for one piston2224CD- SKU:
- 2224CD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- SET
- BORE SIZE METRIC:
- 56.50 MM
- DISPLACEMENT:
- 120 CC
- DISPLACEMENT:
- 123 CC
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
MSRP: $52.95Now: $42.00Was: $52.95Qty in Cart: 0Quantity:Price:MSRP: $52.95Now: $42.00Was: $52.95Subtotal: -
On Sale
Wiseco Wrist Pin 2000-2005 Yamaha YZ250 S376
WISECO
MSRP: $22.99Now: $20.00Was: $22.99The Wiseco S376 wrist pin is engineered to handle the extreme demands of 2-stroke racing, delivering the precision fit and durability your YZ250 engine requires to perform at its peak. Whether you're...S376- SKU:
- S376
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- LENGTH:
- 57 MM
- OUTSIDE DIAMETER:
- 19,00 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- APPLICATION:
- PISTON
- LENGTH METRIC:
- 57 MM
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER METRIC:
- 19.00 MM
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- WRIST PIN
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- 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 Honda CB350F 1972-1973 S522
WISECO
MSRP: $25.95Now: $20.00Was: $25.95The Wiseco S522 wrist pin is engineered for Honda CB350F engines that demand reliable performance under sustained high RPM operation. Whether you're rebuilding a vintage racer or restoring your...S522- SKU:
- S522
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- LENGTH METRIC:
- 57.8 MM
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- ATV
- APPLICATION:
- PISTON
- MATERIAL:
- SILICONE
- OUTSIDE DIAMETER:
- 15,00 MM
- RIDING STYLE:
- OFF-ROAD
- LENGTH:
- 57,8 MM
- OUTSIDE DIAMETER METRIC:
- 15.00 MM
- PRODUCT NAME:
- WRIST PIN
- UNITS:
- EACH
MSRP: $25.95Now: $20.00Was: $25.95 -
On Sale
Wiseco Piston Kit 93mm 11:1 Compression for Polaris RZR XP 1000 2014-2021 40128M09300
WISECO
MSRP: $260.95Now: $212.00Was: $260.95If you're running a Polaris RZR XP 1000 and want measurable gains in combustion efficiency and engine durability, an OEM-quality piston upgrade is one of the most direct paths to reliable power. The...09103943- SKU:
- 09103943
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 93.00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 999 CC
- RIDING STYLE:
- UTV
- STROKE LENGTH METRIC:
- 73.50 MM
MSRP: $260.95Now: $212.00Was: $260.95 -
On Sale
Wiseco 2-Stroke Piston Kit 58mm Standard Bore for 2016-2017 KTM 150 SX RE909M05800
WISECO
MSRP: $221.95Now: $174.00Was: $221.95The Wiseco 2-Stroke Piston Kit is engineered to maximize performance and reliability in your 2016-2017 KTM 150 SX, delivering the precision fitment and durability that competitive and recreational...09105103- SKU:
- 09105103
- Availability:
- Ships Same Business Day
- Weight:
- 0.51 LBS
- BORE SIZE METRIC:
- 58.00 MM
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORFIT™
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 2000 SERIES ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- RACER ELITE
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED
MSRP: $221.95Now: $174.00Was: $221.95
