Edelbrock Performer RPM Pontiac 455 Cylinder Head Assembled 2.11/1.66" Valve 215 cc Intake 87 cc Chamber - 1.460 Spring - Pontiac V8 3370097 1978-1981 Mercury ZephyrFits 1970-1982 Ford

1978-1981 Mercury ZephyrFits 1970-1982 Ford

Viscosity typical of SAE 75W-110

26 in Oval Port

7-3/4 in Tall x 3-1/4 in OD

now in an SAE 5W-30 viscosity for modern OEM rebuilds and hydraulic lifter engines

Edelbrock Performer RPM Pontiac 455 Cylinder Head Assembled 2.11/1.66" Valve 215 cc Intake 87 cc Chamber - 1.460 Spring - Pontiac V8 3370097 1978-1981 Mercury ZephyrFits 1970-1982 FordDesigned for street high performance use, and are interchangeable with original equipment cylinder heads. These heads retain an exhaust crossover passage and are street legal replacement parts. Edelbrock, Pontiac Head, 87cc, Hydraulic Roller Camshaft, V8, Cylinder Heads, 61525 Match with Edelbrock complete head gasket set #7382. Deck thickness: 5 8" Rocker stud diameter: 7 16" Pushrod diameter: 5 16" (width of slot in guide plate). Since 1938,