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 Arctic Cat ZR 600 1998-1999 2391M07800
WISECO
$144.95When your Arctic Cat ZR 600 demands peak performance, a worn or damaged piston compromises both power delivery and engine longevity. The Wiseco Piston Kit delivers the durability and precision fit...2391M07800- SKU:
- 2391M07800
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- DISPLACEMENT:
- 599 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- STROKE LENGTH METRIC:
- 62.70 MM
- BORE SIZE METRIC:
- 78.00 MM
- PISTON DIAMETER METRIC:
- 77.91 MM
- PRODUCT NAME:
- PISTON KIT
- UNITS:
- KIT
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit 62.50mm Bore 1996-1998 Polaris 600 XCR SP 2365M06250
WISECO
$149.95When you're pushing your 1996-1998 Polaris 600 XCR SP to its limits on the trail or at the track, factory pistons won't cut it. The Wiseco 2365M06250 delivers the strength and precision you need to...2365M06250- SKU:
- 2365M06250
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 62.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- SNOW
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 65.00 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 598 CC
- PISTON DIAMETER METRIC:
- 62.44 MM
$149.95Qty in Cart: 0Quantity:Price:$149.95Subtotal: -
Wiseco Piston 72mm Bore Ski-Doo Alpine 1988 2373M07200
WISECO
$154.95Whether you're pushing your Alpine hard on race day or logging serious trail miles, piston reliability directly impacts your engine's power delivery and longevity. The Wiseco 2373M07200 delivers the...2373M07200- SKU:
- 2373M07200
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- DISPLACEMENT:
- 248 CC
- DISPLACEMENT:
- 521 CC
- RIDING STYLE:
- SNOW
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE SIZE METRIC:
- 72.00 MM
- DISPLACEMENT:
- 269 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 66.00 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 503 CC
- STROKE LENGTH METRIC:
- 61.00 MM
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 497 CC
- PISTON DIAMETER METRIC:
- 71.90 MM
- PRODUCT NAME:
- PISTON KIT
- SKIRT COATING:
- ARMORGLIDE®
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Piston Assembly 78.5mm Bore Ski-Doo MX-Z 670 1996-1998 2379M07850
WISECO
$174.95A worn or damaged piston directly compromises engine compression, throttle response, and overall power output—especially critical in high-demand trail and racing conditions. The Wiseco 2379M07850...2379M07850- SKU:
- 2379M07850
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE SIZE METRIC:
- 78.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +0.50 MM
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- SNOW
- BORE - OVERSIZE:
- +0,50 MM
- DISPLACEMENT:
- 677 CC
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- PISTON DIAMETER METRIC:
- 78.40 MM
- STROKE LENGTH METRIC:
- 70.00 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Kit 73.50mm Oversize Yamaha SR540 SRV 2000-2005 2305M07350
WISECO
$144.95If you're rebuilding your SR540 engine or pushing it beyond stock limits, bore wear and power loss are inevitable without proper piston clearance. The Wiseco +.50mm oversize kit restores compression...2305M07350- SKU:
- 2305M07350
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- PISTON DIAMETER METRIC:
- 73.40 MM
- RIDING STYLE:
- SNOW
- BORE SIZE METRIC:
- 73.50 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 543 CC
- MODEL:
- PRO-LITE
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 64.00 MM
- UNITS:
- KIT
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit 86mm Bore 2004 Polaris 800 Classic 2428M08600
WISECO
$154.95When you're pushing your 2004 Polaris 800 Classic to its limits, your factory pistons become the weak point. The Wiseco 2428M08600 delivers the durability and precision you need to run competitive...09104016- SKU:
- 09104016
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- BORE SIZE METRIC:
- 86.00 MM
- PISTON DIAMETER METRIC:
- 85.85 MM
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 70.00 MM
- RIDING STYLE:
- SNOW
- DISPLACEMENT:
- 813 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
Wiseco Honda CR125R 2005-2007 54mm Piston Kit with Gaskets PK1396
WISECO
$244.95Your CR125R's top end is the heart of its power delivery—a worn or damaged piston compromises combustion efficiency, throttle response, and overall reliability. The Wiseco PK1396 replaces that worn...09030521- SKU:
- 09030521
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 54.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- MODEL:
- RACER'S CHOICE
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- UNITS:
- EACH
- COOLING SYSTEM:
- AIR COOLED
- DISPLACEMENT:
- 125 CC
- STROKE LENGTH METRIC:
- 54.50 MM
$244.95Qty in Cart: 0Quantity:Price:$244.95Subtotal: -
Wiseco Piston Kit 68.50mm for Honda CR250R 1997-2001 PK1172
WISECO
$297.95When your CR250R's top end reaches the end of its service life, a quality rebuild kit isn't optional—it's essential to maintaining the power and reliability your bike demands. The Wiseco PK1172...09030523- SKU:
- 09030523
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- BORE - OVERSIZE METRIC:
- +2.10 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
- BORE SIZE METRIC:
- 68.50 MM
- PISTON DIAMETER METRIC:
- 68.46 MM
- PRODUCT NAME:
- REBUILD KIT
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE:
- +2,10 MM
- SKIRT COATING:
- NON-COATED
- DISPLACEMENT:
- 249 CC
$297.95Qty in Cart: 0Quantity:Price:$297.95Subtotal: -
Wiseco Piston Kit 53mm Oversize for Polaris Sportsman 90 2001-2005 839M05300
WISECO
$119.95If you're running a Polaris Sportsman 90 and looking to reclaim lost compression or prepare for a rebuild, the Wiseco 839M05300 piston kit delivers the precision and durability you need. This +1.00mm...09100383- SKU:
- 09100383
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,00 MM
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 53.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- DISPLACEMENT:
- STOCK
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 41.90 MM
$119.95Qty in Cart: 0Quantity:Price:$119.95Subtotal: -
Wiseco Piston Kit Yamaha YFM80 Raptor 2002-2008 0.50mm Oversize 11:1 Compression 4841M04750
WISECO
$159.95When your YFM80 Raptor's factory pistons can't deliver the compression and durability you need, a quality rebuild kit becomes essential. The Wiseco 4841M04750 delivers forged-aluminum strength and...09100390- SKU:
- 09100390
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
- PISTON MATERIAL:
- FORGED
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 45.60 MM
- DISPLACEMENT:
- 81 CC
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 47.50 MM
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$159.95Qty in Cart: 0Quantity:Price:$159.95Subtotal: -
Wiseco Piston Kit Standard 77mm 14.5:1 Compression Kawasaki KX250F 2017-2019 4920M07700
WISECO
$224.95A piston kit is the heart of your engine's combustion chamber—wear or damage here directly kills power output and reliability. The Wiseco 4920M07700 delivers OEM-quality precision with...09100844- SKU:
- 09100844
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 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
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- 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 76mm 12.8:1 Compression for 2006-2012 KTM 250 SX-F 4981M07600
WISECO
$266.95Wiseco's 4981M07600 piston kit delivers the compression ratio and bore precision your KTM 250 SX-F demands for serious trail and motocross performance. The aerospace-grade forged aluminum...09100846- SKU:
- 09100846
- Availability:
- Ships Same Business Day
- Weight:
- 0.57 LBS
- BORE SIZE METRIC:
- 76.00 MM
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 249,5 CC
- SKIRT COATING:
- MOLY COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
$266.95 -
Wiseco Honda CR85R 2003-2007 Piston Kit with Gaskets 48.50mm PK1216
WISECO
$169.95When your CR85R's top-end starts losing compression and throttle response, a quality rebuild kit is the difference between a seized engine and years of reliable performance. The Wiseco PK1216 gives...09030545- SKU:
- 09030545
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE METRIC:
- +1.00 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 47.80 MM
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 84.7 CC
- PISTON DIAMETER METRIC:
- 48.45 MM
$169.95Qty in Cart: 0Quantity:Price:$169.95Subtotal: -
Wiseco Piston Kit Honda TRX250EX 2001-2008 69mm 0.50mm Oversize 10.5:1 Compression 4935M06900
WISECO
$189.95Stock pistons in your TRX250EX are a compromise between cost and performance—they limit your engine's potential and wear faster under aggressive riding conditions. The Wiseco 4935M06900 piston kit...09100857- SKU:
- 09100857
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 69.00 MM
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
- STROKE LENGTH METRIC:
- 62.20 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- DISPLACEMENT:
- 233 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit 78mm 13.5:1 Honda CRF250R 2004-2007 CRF250X 2004-2017 PK1240
WISECO
$362.95If you're running a CRF250R or CRF250X and want measurable gains in power output and engine durability, a quality piston kit is non-negotiable. The Wiseco PK1240 delivers the compression ratio and...09030551- SKU:
- 09030551
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- DISPLACEMENT:
- 249 CC
- BORE SIZE METRIC:
- 78.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 13.5:1
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- ARMORGLIDE®
- STROKE LENGTH METRIC:
- 52.20 MM
- UNITS:
- KIT
- ENGINE TYPE:
- 4-STROKE
- PISTON DIAMETER METRIC:
- 77.95 MM
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$362.95 -
Wiseco Piston Kit 102mm 11:1 Compression Yamaha YFM700R Raptor 2006-2014 4903M10200
WISECO
$249.95When you're pushing your Raptor 700R to its limits, stock pistons become the weak link. The Wiseco 102mm piston kit delivers the compression ratio and lightweight construction your engine needs to...09100861- SKU:
- 09100861
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- DISPLACEMENT:
- 686 CC
- SKIRT COATING:
- MOLY COATED
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 102.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 84.00 MM
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- RIDING STYLE:
- ATV
$249.95Qty in Cart: 0Quantity:Price:$249.95Subtotal: -
Wiseco Piston Kit Honda CR125R 2004-2007 54mm 841M05400
WISECO
$174.95A worn or damaged piston directly compromises your CR125R's combustion efficiency, throttle response, and overall reliability. The Wiseco 841M05400 GP Series Piston Kit restores these critical...09100731- SKU:
- 09100731
- Availability:
- Ships Same Business Day
- Weight:
- 0.41 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 125 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 54.50 MM
$174.95Qty in Cart: 0Quantity:Price:$174.95Subtotal: -
Wiseco Piston Kit with Gaskets for Kawasaki KX450F 2006-2008 PK1403
WISECO
$328.95When your KX450F's top end starts showing wear, a quality piston kit is the foundation of reliable power restoration. Wiseco's PK1403 delivers the precision engineering and durable materials you need...09030575- SKU:
- 09030575
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 96.00 MM
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- STANDARD
- SKIRT COATING:
- ARMORGLIDE®
- BORE - OVERSIZE:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$328.95 -
Wiseco Piston Kit 96mm 13:1 Kawasaki KX450F 2006-2008 PK1405
WISECO
$349.95The Wiseco PK1405 piston kit delivers measurable performance gains for your KX450F through a 13:1 compression ratio that increases power output without sacrificing fuel efficiency. Whether you're...09030576- SKU:
- 09030576
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 62.10 MM
- BORE SIZE METRIC:
- 96.00 MM
- ENGINE TYPE:
- 4-STROKE
- TYPE:
- TOP END
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- DISPLACEMENT:
- 449 CC
- PISTON DIAMETER METRIC:
- STANDARD
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- ARMORGLIDE®
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- REBUILD KIT
$349.95Qty in Cart: 0Quantity:Price:$349.95Subtotal: -
Wiseco Piston Kit Standard Kawasaki KX85 2001-2013 862M04850
WISECO
$134.95The Wiseco 862M04850 Pro-Lite Piston Kit delivers the precision and durability your KX85 needs to handle consistent high-RPM demands. If you're rebuilding after a top-end refresh or pushing your...09100762- SKU:
- 09100762
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- BORE SIZE METRIC:
- 48.50 MM
- PISTON MATERIAL:
- FORGED
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 84,9 CC
- ENGINE TYPE:
- 2-STROKE
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 45.80 MM
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit for Yamaha YZ125 2005-2021 846M05600
WISECO
$184.95A worn or stock piston compromises your YZ125's power delivery and reliability when you need it most. The Wiseco 846M05600 Pro-Lite Kit delivers the precision and durability that serious 2-stroke...09100800- SKU:
- 09100800
- Availability:
- Ships Same Business Day
- Weight:
- 0.47 LBS
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- GP STYLE
- BORE - OVERSIZE:
- +2,00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 134 CC
- STROKE LENGTH METRIC:
- 54.50 MM
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
Wiseco Piston Kit Honda TRX250R 1985-1986 526M06850
WISECO
$229.95If you're running a Honda TRX250R and want to maximize engine efficiency without compromising reliability, the Wiseco Piston Kit is the direct path to increased power and smoother operation. Wiseco...09101212- SKU:
- 09101212
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- BORE - OVERSIZE METRIC:
- +2.50 MM
- DISPLACEMENT:
- 246 CC
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,50 MM
- BORE SIZE METRIC:
- 68.50 MM
- PRODUCT NAME:
- PISTON
$229.95Qty in Cart: 0Quantity:Price:$229.95Subtotal: -
Wiseco Piston Kit Suzuki RM80 1991-2001 645M04900
WISECO
$144.95When a 2-stroke piston fails, your ride is over. The Wiseco 645M04900 Pro-Lite delivers the durability and precision engineering that keeps your RM80 running strong through seasons of hard riding...09101222- SKU:
- 09101222
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE:
- +1,50 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH METRIC:
- 46.80 MM
- UNITS:
- EACH
- BORE SIZE METRIC:
- 49.00 MM
- DISPLACEMENT:
- 82 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- BORE - OVERSIZE METRIC:
- +1.50 MM
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit Yamaha YZ125 1994-1996 647M05600
WISECO
$179.95A worn or damaged piston directly compromises your YZ125's power delivery, throttle response, and engine reliability—especially critical on 2-stroke engines where piston quality directly impacts...09101224- SKU:
- 09101224
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- DISPLACEMENT:
- 124 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 56.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- PISTON MATERIAL:
- FORGED
- STROKE LENGTH METRIC:
- 54.50 MM
$179.95Qty in Cart: 0Quantity:Price:$179.95Subtotal: -
Wiseco 47mm Piston Kit for KTM 65 SX 1999-2008 PK1515
WISECO
$189.95When your KTM 65 SX's top end is worn, you're losing compression, power, and reliability. The Wiseco PK1515 restores—and exceeds—OEM performance with aerospace-grade materials engineered for 2-stroke...09030702- SKU:
- 09030702
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 40.00 MM
- UNITS:
- KIT
- DISPLACEMENT:
- 63.58 CC
- PISTON DIAMETER METRIC:
- 46.95 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 47.00 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE - OVERSIZE:
- +2,00 MM
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Suzuki RM80 1991-2001 49.5mm Piston Kit with Gaskets PK1528
WISECO
$189.95If you're running a 1991-2001 Suzuki RM80 and want to restore lost compression or upgrade to fresh top-end internals, the Wiseco PK1528 is the standard choice for serious riders. This complete piston...09030710- SKU:
- 09030710
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- PISTON SIZE METRIC:
- +2.00 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE - OVERSIZE:
- +2,00 MM
- ENGINE TYPE:
- 2-STROKE
- STROKE LENGTH METRIC:
- 46.80 MM
- TYPE:
- TOP END
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 49.50 MM
- DISPLACEMENT:
- 82 CC
- MODEL:
- PRO-LITE
- PISTON DIAMETER METRIC:
- 49.45 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit Suzuki RM250 2003-2008 823M06750
WISECO
$118.95A worn or damaged piston directly limits your RM250's power output and throttle response. Wiseco's 823M06750 kit restores—or exceeds—OEM performance with precision-engineered internals and a complete...09101251- SKU:
- 09101251
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE METRIC:
- +1.10 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE SIZE METRIC:
- 67.50 MM
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- BORE - OVERSIZE:
- +1,10 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 72.00 MM
$118.95Qty in Cart: 0Quantity:Price:$118.95Subtotal: -
Wiseco Piston Kit 45.00mm 2.00mm Oversize Kawasaki KX60 1983-2003 648M04500
WISECO
$134.95When your KX60's stock piston reaches its limit, a quality replacement isn't optional—it's essential for maintaining compression, ring seal, and reliability through the heat cycles of aggressive...09100344- SKU:
- 09100344
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- ENGINE TYPE:
- 2-STROKE
- RIDING STYLE:
- OFF-ROAD
- DISPLACEMENT:
- 60 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- BORE - OVERSIZE:
- +2,00 MM
- BORE SIZE METRIC:
- 45.00 MM
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- STROKE LENGTH METRIC:
- 41.60 MM
$134.95Qty in Cart: 0Quantity:Price:$134.95Subtotal: -
Wiseco Piston Kit 54mm for Suzuki RM125 2004-2007 835M05400
WISECO
$144.95If you're running a 2004-2007 Suzuki RM125 and want to reclaim lost compression, boost throttle response, and extend engine life, a quality piston kit is non-negotiable. The Wiseco 835M05400 Pro-Lite...09100357- SKU:
- 09100357
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- DISPLACEMENT:
- 125 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- BORE - OVERSIZE:
- STANDARD
- BORE SIZE METRIC:
- 54.00 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- EACH
- STROKE LENGTH METRIC:
- 54.50 MM
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- RIDING STYLE:
- OFF-ROAD
$144.95Qty in Cart: 0Quantity:Price:$144.95Subtotal: -
Wiseco Piston Kit Standard Bore 78.50mm 8.8:1 Compression Honda TRX350 Rancher 4933M07850
WISECO
$189.95A worn or damaged piston directly compromises your TRX350 Rancher's combustion efficiency, throttle response, and overall engine reliability. The Wiseco Piston Kit restores factory performance while...09100854- SKU:
- 09100854
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- COMPRESSION RATIO IMPERIAL:
- 8.5:1
- STROKE LENGTH METRIC:
- 68.00 MM
- BORE SIZE METRIC:
- 78.50 MM
- DISPLACEMENT:
- 325 CC
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLY COATED
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco KX250 1993-2001 Piston Kit 68.50mm PK1291
WISECO
$294.95If you're running a vintage KX250 and want measurable gains in top-end power and engine reliability, a quality piston kit is non-negotiable. The Wiseco PK1291 delivers precision-forged internals that...09030547- SKU:
- 09030547
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE:
- +2,10 MM
- SKIRT COATING:
- NON-COATED
- STROKE LENGTH METRIC:
- 72.00 MM
- BORE - OVERSIZE METRIC:
- +2.10 MM
- PISTON DIAMETER METRIC:
- 68.45 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- DISPLACEMENT:
- 249 CC
- ENGINE TYPE:
- 2-STROKE
- MODEL:
- PRO-LITE
- TYPE:
- TOP END
- BORE SIZE METRIC:
- 68.50 MM
- PRODUCT NAME:
- REBUILD KIT
$294.95Qty in Cart: 0Quantity:Price:$294.95Subtotal: -
Wiseco Piston Kit Standard Bore 10200mm 92:1 Compression Yamaha YFM700R Raptor 2006-2014 4902M10200
WISECO
$224.95If you're running a Raptor 700R, piston wear directly impacts combustion efficiency, throttle response, and overall engine longevity. The Wiseco Piston Kit Standard Bore 10200mm delivers...09100859- SKU:
- 09100859
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- PRODUCT NAME:
- PISTON
- SKIRT COATING:
- MOLY COATED
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 84.00 MM
- UNITS:
- EACH
- DISPLACEMENT:
- 686 CC
- PISTON MATERIAL:
- FORGED
- BORE SIZE METRIC:
- 102.00 MM
$224.95Qty in Cart: 0Quantity:Price:$224.95Subtotal: -
Wiseco Yamaha YZ250F 2001-2004 Piston Kit with Gaskets PK1241
WISECO
$294.95When your YZ250F's top end starts showing wear, a complete piston and gasket kit is the most reliable path to restoring full compression and power delivery. Wiseco's PK1241 gives you OEM-spec...09030554- SKU:
- 09030554
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.7:1
- DISPLACEMENT:
- 249 CC
- PISTON DIAMETER METRIC:
- 76.95 MM
- PRODUCT NAME:
- REBUILD KIT
- BORE SIZE METRIC:
- 77.00 MM
- ENGINE TYPE:
- 4-STROKE
- MODEL:
- FORGED SERIES
- STROKE LENGTH METRIC:
- 53.60 MM
- TYPE:
- TOP END
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
$294.95Qty in Cart: 0Quantity:Price:$294.95Subtotal: -
Wiseco Piston Kit 77mm 14.1:1 for 2004-2005 Kawasaki KX250F PK1239
WISECO
$339.95If you're rebuilding your 2004–2005 KX250F or pushing it to its limits in competition, piston wear or damage will kill your power delivery and throttle response. The Wiseco PK1239 restores full...09030556- SKU:
- 09030556
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- COMPRESSION RATIO IMPERIAL:
- 14.1:1
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- 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
- PISTON MATERIAL:
- 2618 ALUMINUM ALLOY
- PRODUCT NAME:
- REBUILD KIT
- PISTON DIAMETER METRIC:
- 76.96 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- KIT
$339.95Qty in Cart: 0Quantity:Price:$339.95Subtotal: -
Wiseco Piston Kit Kawasaki GPz1100 1981-1985 1.089L 0.050 WK1247
WISECO
$574.95Stock pistons wear quickly under sustained high RPM, losing compression and power output. The Wiseco WK1247 restores—and exceeds—factory performance with forged aluminum construction and precision...WK1247- SKU:
- WK1247
- Availability:
- Ships Same Business Day
- Weight:
- 3.81 LBS
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- +0,50 MM
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 80.50 MM
- PISTON DIAMETER METRIC:
- 80.39 MM
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- TOP END
- DISPLACEMENT:
- 1083 CC
- MODEL:
- FORGED SERIES
- RIDING STYLE:
- WATERCRAFT
- UNITS:
- KIT
$574.95Qty in Cart: 0Quantity:Price:$574.95Subtotal: -
Wiseco Piston Kit 1978-1984 Harley-Davidson Electra Glide FLH High Compression K1627
WISECO
$422.95If you're rebuilding a 1978-1984 Harley-Davidson Big Twin, you need pistons engineered to handle sustained high RPMs and heat cycles without compromise. The Wiseco K1627 High Compression Piston Kit...K1627- SKU:
- K1627
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE - OVERSIZE:
- +0,040'
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- DISPLACEMENT:
- 1367 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
- BORE OVERSIZE - IMPERIAL:
- +0.040'
- BORE SIZE IMPERIAL:
- 3.537'
- PISTON MATERIAL:
- ALUMINUM ALLOY
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- TYPE:
- TOP END
- UNITS:
- EACH
$422.95Qty in Cart: 0Quantity:Price:$422.95Subtotal: -
Wiseco Piston Kit for Polaris Sportsman 400 4x4 2001-2003 675M08325
WISECO
$184.95When your Polaris Sportsman 400's original piston shows wear, you're losing compression, efficiency, and power. The Wiseco Piston Kit (675M08325) restores your engine to peak performance with...09102806- SKU:
- 09102806
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- DISPLACEMENT:
- 400 CC
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- BORE - OVERSIZE:
- +0,50 MM
- BORE SIZE METRIC:
- 83.25 MM
- ENGINE TYPE:
- 2-STROKE
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 70.00 MM
- UNITS:
- EACH
- BORE - OVERSIZE METRIC:
- +0.50 MM
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
Wiseco Piston Kit 86.50mm for 2007-2014 Honda TRX420 Rancher 40050M08650
WISECO
$189.95Your Honda TRX420 Rancher's engine performance depends on reliable, precision-engineered internals. This Wiseco piston kit delivers the durability and combustion efficiency needed for consistent...09102820- SKU:
- 09102820
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 86.50 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLY COATED
- UNITS:
- EACH
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 420 CC
- STROKE LENGTH METRIC:
- 71.50 MM
$189.95Qty in Cart: 0Quantity:Price:$189.95Subtotal: -
Wiseco Piston Kit Honda TRX420 Rancher 2007-2019 87.00mm 40050M08700
WISECO
$210.95Stock pistons wear down under hard riding conditions, leading to compression loss and sluggish performance. The Wiseco Piston Kit for your Honda TRX420 Rancher restores factory compression while...09102821- SKU:
- 09102821
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- BORE - OVERSIZE:
- +0,50 MM
- BORE - OVERSIZE METRIC:
- +0.50 MM
- BORE SIZE METRIC:
- 87.00 MM
- SKIRT COATING:
- MOLY COATED
- DISPLACEMENT:
- 425 CC
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON
- RIDING STYLE:
- ATV
- STROKE LENGTH METRIC:
- 71.50 MM
- UNITS:
- EACH
- PISTON MATERIAL:
- FORGED
$210.95Qty in Cart: 0Quantity:Price:$210.95Subtotal: -
Wiseco Piston Kit 1986-2003 Harley-Davidson Sportster 883 XLH 0.010 Oversize K1656
WISECO
$409.95Whether you're rebuilding a tired 883 or maximizing displacement with an overbore, the Wiseco Piston Kit K1656 delivers the strength and precision your Sportster needs. High-silicon aluminum alloy...K1656- SKU:
- K1656
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- BORE - OVERSIZE:
- +0,010'
- BORE SIZE IMPERIAL:
- 3.508'
- TYPE:
- TOP END
- UNITS:
- EACH
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- PISTON MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- DISPLACEMENT:
- 1200 CC
- PISTON MATERIAL:
- FORGED
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- STREET
$409.95Qty in Cart: 0Quantity:Price:$409.95Subtotal:
