Edelbrock Sidevalve Ford 1939 – 48
Made of A356 aluminum and T-6 tempered.
8.0:1 compression ratio on blocks with a 3/16″ base relief (stock bore and stroke).
Original design Edelbrock flathead cylinder heads for Fords and Mercurys, rugged, ribbed internally and externally, with a large water capacity and excellent breathing characteristics. Increased compression, more performance. The ultimate side valve head. Compression ratio increase is approximately 3/10 of a percent with each 1/8″ stroke .