Superior strength/weight ratio utilizing aerospace alloy
Race proven designs
Chosen by top race teams, in all forms of racing
CNC machined
Optimal cam shape and profile for peak HP and service life
Precision machined, highest quality materials for strength and reduced friction
High-performance ring set
Extended life and sustained power
Highest quality, alloy pin
Consistently true and durable
Note: All kits cover a single cylinder only
All Wiseco 2-stroke top end kits include 1 piston, 1 ring set, 1 wristpin, 2 circlips, top-end bearings and gaskets
Wiseco piston kits are sold by application and bore size. To ensure you receive the correct piston kit for your application, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need
Made in the USA
Product Note:
Specification
Details
Bore
Varies (make selection above)
Country of Origin
USA
Displacement
Varies (make selection above)
Number of Pistons Included
1 Piston
Piston Type
Racers Choice
Size Over Standard
Varies (make selection above)
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Honda
CR80R 1993-2002
CR80RB Expert 1996-2002
CR85R 2003-2006
Suzuki
RM85 2002-2010, 2012, 2015-2022
Yamaha
YZ250 2-Stroke 2002-2022
YZ250X 2-Stroke 2016-2022
YZ80 1993-2001
YZ85 2002-2018
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Questions & Answers
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