Turn your 107″ M8 engine into a 117″ by simply boring your stock cylinders! No case modifications necessary, the factory 107″ can be safely bored from 3.937″ to 4.125″. These forged pistons are manufactured for us by CP-Carrillo in 3 different compression ratios (flat top compression ratio is 11.2:1 with an unmodified 87.5cc head) and feature 1.5mm compression rings with 3mm oil rings for superior oil control. Piston kits include pistons, rings, wrist pins and circlips. USA made!

Not legal for sale or use in California on any pollution controlled motor vehicle.
Not legal for sale or use on any EPA pollution controlled motor vehicle.

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Weight 1 lbs
Emissions Compliant

Country of Origin

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Fuel / Air

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