Black 4.250 big bore cylinder set with machined edge fins increase the bore size from 124 to 128 . Features a slightly larger fin area for better heat dissipation and increased cooling. For use with stock 4.375 flywheels but requires case boring. *NOTE: Must order piston set separately.
FITMENT
TECH NOTES
MEASURMENTS
ACCESSORY ITEMS
Tech Notes
Required to use with #11-9983 M-8 Wiseco Piston Kit.