Edelbrock #1126 Ford Flathead cylinder heads for 1939–1948 models are cast in T‑6 tempered A356 aluminum with external and internal ribbing, large water passages and strong breathing characteristics. These 65cc heads support an 8.0:1 compression ratio on blocks with a 3/16" base relief and are built to improve flow capacity for period Ford and Mercury flathead V8s.
Edelbrock Cylinder Heads 1939-48 Model Ford Flatheads w/ Block Letter Logo (Pair)