Description
These big block pistons are the top choice for drag race applications. Compression Height figured using 9.780″ or 10.195″ block height with zero deck clearance. Pistons will not work with Edelbrock #6045, 6040, 6055 heads. These pistons have vertical gas ports, back-cut top rings, D-Wall second rings (.043, .043, 3mm) and a low-tension oil ring. Pin upgrade recommended above 800hp.