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 for Suzuki RM80 1991-2001 PK1521
WISECO
$192.95If you're running a classic Suzuki RM80 and want to extract genuine performance gains without guesswork, a quality top-end rebuild is non-negotiable. The Wiseco PK1521 delivers the precision...09030703- SKU:
- 09030703
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- DISPLACEMENT:
- 82 CC
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 47.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON DIAMETER METRIC:
- 47.45 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 46.80 MM
$192.95 -
Wiseco Piston Kit Yamaha YZ85 2002-2024 48.00mm 0.50mm Oversize 805M04800
WISECO
$119.95When your YZ85's factory piston reaches its limit, a quality oversize replacement is essential for restoring compression and power. The Wiseco 805M04800 delivers the precision engineering and...09101246- SKU:
- 09101246
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 48.00 MM
- DISPLACEMENT:
- 85 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
Wiseco Piston Kit 49.00mm Suzuki RM85 2002-2020 806M04900
WISECO
$119.95The stock piston in your RM85 can only take so much abuse before wear compromises performance and reliability. Wiseco's 806M04900 delivers the durability and precision fit you need to maintain peak...09101249- SKU:
- 09101249
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 49.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 46.80 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 84.7 CC
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$119.95 -
Wiseco Piston Kit Honda CR85R 2003-2007 833M04850
WISECO
$119.95The Wiseco 833M04850 is a precision-engineered piston kit built for 2-stroke engines that demand consistent power delivery and reliability. If you're serious about maintaining peak performance in...09101253- SKU:
- 09101253
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE METRIC:
- 48.50 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 47.80 MM
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 84,7 CC
- PISTON MATERIAL:
- FORGED
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
Wiseco Piston Kit Yamaha YZ125 2005-2021 846M05800
WISECO
$210.95The piston is the heart of your YZ125's engine—responsible for transferring combustion force into usable power. A worn or stock piston limits your bike's potential, reducing compression efficiency...09101255- SKU:
- 09101255
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +4.00 MM
- BORE SIZE METRIC:
- 58.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 144 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE:
- +4,00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- RIDING STYLE:
- OFF-ROAD
$210.95Qty in Cart: 0Quantity:Price:$210.95Subtotal: -
Wiseco 103ci Reverse Dome Piston Kit 2007-2016 Harley-Davidson FLHRS K2789
WISECO
$576.95If you're running a 103ci motor in your Twin Cam Harley, piston quality directly impacts your engine's reliability and power output—especially under boost or high-RPM conditions. The Wiseco K2789...09101998- SKU:
- 09101998
- Availability:
- Ships Same Business Day
- Weight:
- 2.34 LBS
- BORE - OVERSIZE:
- 0,125'
- DISPLACEMENT:
- 1700 CC
- BORE SIZE IMPERIAL:
- 3.875'
- SKIRT COATING:
- ARMORFIT™
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- MODEL:
- VM SERIES
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- 0.125'
- PISTON HEAD SHAPE:
- REVERSE
- UNITS:
- KIT
$576.95 -
Wiseco Piston Kit 90.5mm 1.5mm Oversize Honda CR500R 1984-2001 871M09050
WISECO
$255.95The Wiseco 871M09050 delivers the compression and durability required to extract maximum power from your CR500R while maintaining reliability through extended high-rpm operation. Built with...09102025- SKU:
- 09102025
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 76.00 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
- BORE SIZE METRIC:
- 90.50 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,50 MM
- DISPLACEMENT:
- 508 CC
$255.95 -
Wiseco Suzuki LT-R450 2006-2011 Piston Kit 95.50mm 11.7:1 PK1423
WISECO
$349.95The Wiseco LT-R450 piston kit delivers the reliability and precision your Suzuki demands when you're pushing hard on the track or trail. High-silicone forged construction resists thermal stress and...09030488- SKU:
- 09030488
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- DISPLACEMENT:
- 450 CC
- MODEL:
- FORGED SERIES
- PISTON DIAMETER METRIC:
- 95.50 MM
- BORE SIZE METRIC:
- 95.50 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.7:1
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 62.80 MM
$349.95 -
Wiseco Piston Kit Standard 41mm for Kawasaki KFX50 2003-2009 826M04100
WISECO
$121.95If you're running a KFX50 and want reliable power without compromise, the Wiseco 826M04100 Piston Kit delivers the precision engineering needed for consistent performance across racing and trail...09100339- SKU:
- 09100339
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- BORE SIZE METRIC:
- 41.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 37.80 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- DISPLACEMENT:
- 49 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$121.95Qty in Cart: 0Quantity:Price:$121.95Subtotal: -
Wiseco Piston Kit 41.50 mm Oversize for Kawasaki KFX 50 2003-2009 826M04150
WISECO
$104.95When you're rebuilding a 2-stroke engine, piston quality directly impacts power delivery, engine longevity, and overall reliability. The Wiseco 826M04150 delivers precision-engineered performance...09100340- SKU:
- 09100340
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +0.50 MM
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 37.80 MM
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 49 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 41.50 MM
$104.95Qty in Cart: 0Quantity:Price:$104.95Subtotal: -
Wiseco Piston Kit 42.00 mm Oversize Kawasaki KFX50 2003-2009 Suzuki JR50 1978-2006 826M04200
WISECO
$104.95When you're pushing a 2-stroke engine to its limits, a worn or undersized piston compromises compression, throttle response, and reliability. The Wiseco 826M04200 restores lost performance and...09100341- SKU:
- 09100341
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- DISPLACEMENT:
- 49 CC
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 42.00 MM
- STROKE LENGTH METRIC:
- 37.80 MM
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$104.95Qty in Cart: 0Quantity:Price:$104.95Subtotal: -
Wiseco Piston Kit 43.00 mm Oversize for Kawasaki KFX 50 2003-2009 826M04300
WISECO
$109.95When you're ready to push your KFX 50 past factory limits, a quality piston kit is non-negotiable. Wiseco's 826M04300 delivers the precision engineering and durability needed for serious ride...09100343- SKU:
- 09100343
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 49 CC
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 37.80 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE SIZE METRIC:
- 43.00 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- +2,00 MM
- PRODUCT NAME:
- PISTON
$109.95Qty in Cart: 0Quantity:Price:$109.95Subtotal: -
Wiseco Piston Kit 54.50 mm Kawasaki KX100 1995-2013 Suzuki RM100 2003 651M05450
WISECO
$139.95When your 2-stroke engine is the difference between winning and second place, every component matters. The Wiseco 651M05450 Pro-Lite Piston Kit delivers the precision engineering and thermal...09100345- SKU:
- 09100345
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE SIZE METRIC:
- 54.50 MM
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +2,00 MM
- DISPLACEMENT:
- 99 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$139.95 -
Wiseco Piston Kit Kawasaki KX125 2004-2008 56.00 mm 2.00 mm Oversize 834M05600
WISECO
$174.95A worn or stock piston limits your KX125's potential—this Wiseco Pro-Lite kit restores compression, throttle response, and engine longevity with precision-engineered components built for 2-stroke...09100347- SKU:
- 09100347
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- STROKE LENGTH METRIC:
- 54.50 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 133 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$174.95 -
Wiseco Piston Kit 77mm 13.1:1 Compression for 2004-2005 Kawasaki KX250F 2004-2006 Suzuki RM-Z250 4842M07700
WISECO
$224.95If you're rebuilding a KX250F or RM-Z250 engine or pushing for higher output on the track, a quality piston kit is non-negotiable. The Wiseco 4842M07700 delivers the compression ratio and material...09100354- SKU:
- 09100354
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 53.60 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Piston Kit 77.00mm 14.1:1 Compression Kawasaki KX250F 2004-2005 Suzuki RM-Z250 2004-2006 4843M07700
WISECO
$264.95If you're running a KX250F or RM-Z250 and want measurable gains in peak power and mid-range response, a high-compression piston kit is one of the most direct bolt-on upgrades available. The Wiseco...09100356- SKU:
- 09100356
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 53.60 MM
- UNITS:
- EACH
- RIDING STYLE:
- OFF-ROAD
$264.95 -
Wiseco RM125 2004-2007 Piston Kit 2.00mm Oversize 835M05600
WISECO
$177.95If you're running a 2004-2007 Suzuki RM125 and need to restore lost compression or step up displacement for more mid-range power, a quality piston kit is non-negotiable. The Wiseco 835M05600 delivers...09100358- SKU:
- 09100358
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 134 CC
$177.95 -
Wiseco Piston Kit 58mm 11:1 Compression for 2003-2006 Kawasaki KLX125 4815M05800
WISECO
$154.95If you're running a KLX125 and want measurable gains in acceleration and reliability, an 11:1 compression piston kit is one of the most effective upgrades available. The Wiseco 4815M05800 delivers...09100361- SKU:
- 09100361
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 48.80 MM
- UNITS:
- EACH
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 58.00 MM
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Kit 46.50mm for Kawasaki KX65 2000-2020 and Suzuki RM65 2003-2005 PK1179
WISECO
$186.95Top-end wear is inevitable on high-performance 2-stroke machines, but a worn piston kit kills compression, power delivery, and reliability when you need it most. The Wiseco PK1179 restores your KX65...09030514- SKU:
- 09030514
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 46.50 MM
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 41.60 MM
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 64 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 46.45 MM
- TYPE:
- TOP END
- SKIRT COATING:
- NON-COATED
$186.95 -
Wiseco Piston Kit 54.50mm for Kawasaki KX100 1998-2013 PK1156
WISECO
$220.95If you're running a Kawasaki KX100 and want reliable top-end performance that actually delivers, a quality piston kit isn't optional—it's essential. The Wiseco PK1156 gives you forged pistons...09030515- SKU:
- 09030515
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 99 CC
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 54.45 MM
- TYPE:
- TOP END
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 45.80 MM
- BORE SIZE METRIC:
- 54.50 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$220.95 -
Wiseco Piston Kit 97mm 13.5:1 Compression for 2007-2012 KTM 450 SX-F 4938M09700
WISECO
$284.95If you're running a KTM 450 SX-F or XC-F and want measurable gains in power and throttle response, a quality piston kit is one of the highest-impact upgrades you can make. The Wiseco 4938M09700...09100851- SKU:
- 09100851
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 60.80 MM
- DISPLACEMENT:
- 449 CC
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
$284.95 -
Wiseco Suzuki RM85 2002-2023 48.50mm Piston Kit PK1207
WISECO
$186.95A properly rebuilt top end is non-negotiable for RM85 reliability and performance. The Wiseco PK1207 delivers the precision-engineered pistons and complete gasket set you need to restore compression,...09030544- SKU:
- 09030544
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 48.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- STROKE LENGTH METRIC:
- 46.80 MM
- DISPLACEMENT:
- 84.7 CC
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 48.45 MM
- SKIRT COATING:
- ARMORGLIDE®
$186.95Qty in Cart: 0Quantity:Price:$186.95Subtotal: -
Wiseco Piston Kit Standard Bore 68.50mm Honda TRX250EX 2001-2008 4935M06850
WISECO
$205.95Stock pistons wear out—especially in high-performance or frequently-ridden TRX250EX builds. The Wiseco Piston Kit Standard Bore delivers OEM-quality fitment with precision engineering that restores...09100856- SKU:
- 09100856
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 68.50 MM
- SKIRT COATING:
- MOLY COATED
- STROKE LENGTH METRIC:
- 62.20 MM
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 229 CC
- PRODUCT NAME:
- PISTON
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$205.95 -
Wiseco Piston Kit for Honda CR250R 2005-2007 66.40mm PK1381
WISECO
$309.95The Wiseco PK1381 is engineered for CR250R riders who need a proven top-end rebuild that restores or exceeds factory performance. If you're experiencing power loss, worn compression, or simply demand...09030550- SKU:
- 09030550
- Availability:
- Ships Same Business Day
- Weight:
- 1.44 LBS
- COOLING SYSTEM:
- LIQUID COOLED
- DISPLACEMENT:
- 249 CC
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 66.40 MM
- MODEL:
- RACER'S CHOICE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$309.95 -
Wiseco Honda CRF450R 2002-2008 Piston Kit PK1233
WISECO
$390.95When you're rebuilding a CRF450R top end, you need a piston kit that matches the precision your engine demands. The Wiseco PK1233 delivers the bore accuracy and compression ratio necessary for...09030552- SKU:
- 09030552
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE SIZE METRIC:
- 96.00 MM
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- 95.94 MM
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 62.10 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$390.95Qty in Cart: 0Quantity:Price:$390.95Subtotal: -
Wiseco Piston Kit 77mm 13.1:1 for 2004-2005 Kawasaki KX250F PK1237
WISECO
$308.95A complete top-end rebuild demands precision components that can handle sustained high RPMs and aggressive tuning. The Wiseco PK1237 delivers race-proven engineering in a bolt-together package,...09030555- SKU:
- 09030555
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 53.60 MM
- COMPRESSION RATIO IMPERIAL:
- 13.1:1
- PISTON DIAMETER METRIC:
- 76.96 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$308.95 -
Wiseco Yamaha WR250F 2005-2013 Piston Kit PK1384
WISECO
$344.95When your WR250F's top end shows wear, you lose compression, reliability, and the crisp power delivery that keeps you competitive. The Wiseco PK1384 restores full performance with OEM-quality pistons...09030558- SKU:
- 09030558
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- TYPE:
- TOP END
- PISTON DIAMETER METRIC:
- 76.95 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 53.60 MM
$344.95Qty in Cart: 0Quantity:Price:$344.95Subtotal: -
Wiseco YZ250F 2005-2007 WR250F 2005-2013 Piston Kit with Gaskets PK1401
WISECO
$299.95When your YZ250F or WR250F starts showing signs of wear—loss of compression, rough idle, or declining power—a top-end rebuild is often the most cost-effective way to restore full performance. The...09030559- SKU:
- 09030559
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 12.5:1
- PISTON DIAMETER METRIC:
- 76.95 MM
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 77.00 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 53.60 MM
$299.95Qty in Cart: 0Quantity:Price:$299.95Subtotal: -
Wiseco Piston Kit Standard 39mm 11:1 Compression Honda Z50R 1982-1987 4828M03900
WISECO
$119.95If you're running a Honda Z50R and want to maximize power output without sacrificing reliability, the Wiseco 4828M03900 piston kit delivers the compression ratio and material quality needed for...09100738- SKU:
- 09100738
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- STREET
- STROKE LENGTH METRIC:
- 41.40 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 39.00 MM
- DISPLACEMENT:
- 49,50 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
Wiseco Piston Kit Sea-Doo 650 1993-1994 WK1118
WISECO
$392.70If you're running a Sea-Doo 650 and want to restore lost compression or build additional power, piston replacement is non-negotiable. The Wiseco WK1118 delivers the precision fit and material quality...WK1118- SKU:
- WK1118
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- BORE SIZE METRIC:
- 79.00 MM
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON DIAMETER METRIC:
- 73.90 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 666 CC
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
$392.70 -
Wiseco Piston Kit Sea Doo XP Limited 1998-1999 951 040 WK1213
WISECO
$459.57If you're running a 1998-1999 Sea-Doo XP Limited 951, piston quality directly impacts how much power you can reliably extract from your engine. The Wiseco WK1213 delivers CNC-machined Pro-Lite...WK1213- SKU:
- WK1213
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 971 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- FORGED SERIES
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 89.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- PISTON DIAMETER METRIC:
- 88.90 MM
- PRODUCT NAME:
- REBUILD KIT
$459.57 -
Wiseco Piston Kit Yamaha GP1200 1997-1999 WK1313
WISECO
$594.95If you're running a Yamaha GP1200, piston wear directly impacts throttle response, fuel efficiency, and engine longevity. The Wiseco WK1313 restores—or exceeds—OEM performance with a complete...WK1313- SKU:
- WK1313
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- BORE SIZE METRIC:
- 84.50 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE:
- +0,50 MM
- PISTON DIAMETER METRIC:
- 84.37 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 1142 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
$594.95 -
Wiseco Piston Kit Yamaha GP 1200 WaveRunner 1997-1999 1 mm WK1314
WISECO
$581.67Factory pistons won't survive sustained high-RPM operation in a 2-stroke watercraft—thermal stress and detonation will cause catastrophic failure. The Wiseco WK1314 kit is engineered specifically for...WK1314- SKU:
- WK1314
- Availability:
- Ships Same Business Day
- Weight:
- 4.70 LBS
- BORE SIZE METRIC:
- 85.00 MM
- DISPLACEMENT:
- 1156 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- WATERCRAFT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 84.87 MM
- SKIRT COATING:
- NON-COATED
- TYPE:
- TOP END
$581.67 -
Wiseco Piston Kit Standard High Compression 1978-1984 Harley-Davidson FLH K1623
WISECO
$422.95A worn or stock piston setup limits your Big Twin's potential for reliable power and efficiency. The Wiseco High Compression Piston Kit delivers the strength and precision engineering needed for...K1623- SKU:
- K1623
- Availability:
- Ships Same Business Day
- Weight:
- 3.31 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- BORE SIZE IMPERIAL:
- 3.497'
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- DISPLACEMENT:
- 1340 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH IMPERIAL:
- 4-1/4'
$422.95Qty in Cart: 0Quantity:Price:$422.95Subtotal: -
Wiseco High Compression Piston Kit 1978-1984 Harley-Davidson FLH K1624
WISECO
$384.95A worn or compromised top end will bleed horsepower and reliability—especially on a vintage Big Twin that demands precision engineering. This Wiseco High Compression Piston Kit delivers the strength...K1624- SKU:
- K1624
- Availability:
- Ships Same Business Day
- Weight:
- 3.38 LBS
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- DISPLACEMENT:
- 1345 CC
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,010'
- PISTON MATERIAL:
- FORGED
- BORE SIZE IMPERIAL:
- 3.507'
- PISTON MATERIAL:
- ALUMINUM ALLOY
$384.95 -
Wiseco Piston Kit 1978-1984 Harley-Davidson FLH Electra Glide K1625
WISECO
$422.95If you're planning a top-end rebuild on your classic FLH Electra Glide, you need pistons engineered to handle the demands of high-compression performance without compromise. Wiseco's high-silicon...K1625- SKU:
- K1625
- Availability:
- Ships Same Business Day
- Weight:
- 3.31 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.020'
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,020'
- DISPLACEMENT:
- 1353 CC
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- BORE SIZE IMPERIAL:
- 3.517'
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$422.95Qty in Cart: 0Quantity:Price:$422.95Subtotal: -
Wiseco Piston Kit High Compression 1978-1984 Harley-Davidson FLH K1626
WISECO
$422.95A complete piston rebuild kit designed specifically for your Big Twin engine, the Wiseco K1626 eliminates guesswork by including everything needed for a proper top-end refresh or overbore...K1626- SKU:
- K1626
- Availability:
- Ships Same Business Day
- Weight:
- 3.38 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- RIDING STYLE:
- STREET
- BORE - OVERSIZE:
- +0,030'
- BORE OVERSIZE - IMPERIAL:
- +0.030'
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- BORE SIZE IMPERIAL:
- 3.528'
- PISTON MATERIAL:
- FORGED
- DISPLACEMENT:
- 1361 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$422.95 -
Wiseco Piston Kit Standard Evolution Big Twin 1340cc 1984-1998 K1640
WISECO
$384.95If you're rebuilding your Evolution Big Twin or planning a displacement increase, a quality piston kit is non-negotiable—it directly affects combustion efficiency, reliability, and how your engine...K1640- SKU:
- K1640
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE SIZE IMPERIAL:
- 3.498'
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- DISPLACEMENT:
- 1340 CC
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- FORGED
$384.95 -
Wiseco Piston Kit 97.00mm 13:1 Compression for 2008-2014 Can-Am DS 450 40027M09700
WISECO
$274.95The Wiseco Piston Kit 97.00mm 13:1 Compression is purpose-built for the 2008-2014 Can-Am DS 450, delivering the high compression ratio and precision tolerances required for sustained performance in...09102809- SKU:
- 09102809
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- PISTON MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 60.80 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 449 CC
$274.95 -
Wiseco Piston Kit 82.50mm for 2007-2013 Can-Am Outlander 500 40028M08250
WISECO
$189.95Stock pistons in your Can-Am Outlander 500 limit your engine's potential—excessive wear, power loss, and reliability issues follow. The Wiseco 82.50mm piston kit delivers the precision engineering...09102811- SKU:
- 09102811
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- BORE SIZE METRIC:
- 82.50 MM
- COMPRESSION RATIO IMPERIAL:
- STOCK
- DISPLACEMENT:
- 496 CC
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- EACH
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 47.00 MM
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal:
