Piston, 90mm Flat Top for 420cc Hemi Predators
90mm Flat Top for 420cc Predator Hemi
90mm Aftermarket Flat-top Piston 420cc Predators. Will fit most 390 styleengines.
Valve reliefs for Hemis. Slight bevel
Piston measures .660 from top of piston to top of wristpin.
GX390s Blocks can be bored to accept this piston
Includes Piston & Rings
( Pin and Clips not included)