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This sleeve stays true under extreme race conditions where the OEM cylinder sleeve will go out of round and begin to taper under heavy loads
even before our K-Series
These are so perfect
good news you are ahead of MANY people in line
it features a custom intake and exhaust valve design and uses the same throat and airspeed formula that has set multiple records over multiple racing series
Wiseco K20 All Motor Pistons Select Part Number:89mm - 13:1 - K650M89AP This sleeve stays true underWiseco brings over 60 years of experience to the import world. These years include developing pistons in Formula 1, Indy Racing League, and NHRA Pro Stock. This racing technology allows Wiseco to bring the latest innovations in piston technology to the Sport Compact market. Valve pocket designs maximizes flow around valves Oversize valves and high lift camshafts can be utilized. Pistons crown shapes designed to promote maximum intake charge efficiency
