Edelbrock Performer RPM cylinder heads for 1965–1976 Small-Block Oldsmobile 350–403 c.i. engines with flat-tappet camshafts. Made from 356-T6 aluminum, they feature 68 cc chambers, high-flow 200 cc intake and 130 cc exhaust port volumes, and 2.072" intake and 1.680" exhaust valve sizes in OE positions, plus mechanical fuel pump clearance and modern chamber design.
Edelbrock SB Oldsmobile Performer RPM Cylinder Heads for Hydraulic Flat Tappet