Dirt Bike Piston and Ring Kits
Dirt Bike Piston & Ring Kits for Yamaha YZ85, WR250 & YZ250 at JJ Motorsports
Rebuild your dirt bike's top end for maximum power and reliability with premium piston and ring kits from JJ Motorsports, forged from high-strength aluminum for superior heat resistance, lightweight performance, and precise fit in motocross, enduro, and trail riding. Our selection includes complete kits with pistons, high-performance rings, wrist pins, circlips, top-end bearings, and gaskets designed for enhanced combustion efficiency, reduced blow-by, and longer engine life under high-RPM abuse. Compatible with popular models like Yamaha YZ85 (2002-2018), WR250, and YZ250, these Wiseco-engineered components feature CNC-machined crowns for optimal cam shape, ArmorGlide skirt coatings for low friction, and 4032 alloy construction for durability in dusty, aggressive conditions. Whether you're refreshing a youth 85cc 2-stroke or upgrading a 250cc big bore, these kits ensure crisp throttle response, better sealing, and race-ready power without the need for custom boring—perfect for DIY rebuilds or pro-level maintenance.
Shop trusted brands like Wiseco for race-proven quality. Explore related categories such as dirt bike engine for cylinders and valves or dirt bike air and fuel for carburetors and jets.
Top Dirt Bike Piston & Ring Kits
- Wiseco YZ85 2002-2018 Piston Kit with Gaskets PK1202 – 47.50mm forged aluminum piston kit for Yamaha YZ85 2-stroke; includes rings, wrist pin, circlips, bearing, and gaskets for enhanced combustion and throttle response.
- Wiseco 68.00mm Piston Kit with Gaskets Yamaha WR/YZ 250 PK1563 – Complete big bore kit for Yamaha WR250/YZ250; features forged piston, rings, wrist pin, circlips, and top-end gaskets for superior power and sealing.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Wiseco Piston Kit Standard 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 conditions. This complete kit eliminates guesswork—you get...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
$121.95 -
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 with aerospace-grade materials designed to handle the...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 durability with precision engineering and aerospace-grade...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 time—whether you're racing competitively or upgrading your...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 durability your KX100 or RM100 demands, whether you're pushing...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 demands. Whether you're chasing track times or pushing...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 quality needed to support increased horsepower and...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 4843M07700 delivers a 14.1:1 compression ratio with...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 the precision engineering and durability you expect...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
$177.95Qty in Cart: 0Quantity:Price:$177.95Subtotal: -
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 forged aluminum construction that handles the stress of...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 or RM65 to factory specifications with aerospace-grade...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
$186.95Qty in Cart: 0Quantity:Price:$186.95Subtotal: -
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 engineered for the thermal demands of competitive riding, with...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 delivers a 13.5:1 compression ratio that extracts real...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, recover lost power, and extend engine life through...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 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 race-proven components, this complete piston kit...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
$309.95Qty in Cart: 0Quantity:Price:$309.95Subtotal: -
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 consistent power gains and extended durability, whether...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, letting you maximize combustion efficiency without guesswork...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
$308.95Qty in Cart: 0Quantity:Price:$308.95Subtotal: -
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 and a complete gasket set, eliminating guesswork...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 Wiseco PK1401 gives you OEM-quality components with proven...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 consistent performance gains. The 11:1 compression ratio...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: