Cylinder Head, Performer RPM, 1962-77 Pontiac 389-455, 72cc, Bare

Pontiac 389-455 Performer RPM 72cc Cylinder Head by Edelbrock®

Aluminum Performer RPM head uses a 72cc chamber for Pontiac 389-455 performance combinations.

Edelbrock® this Performer RPM cylinder head is designed for outstanding performance gains in 1962-77 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. This head has 72cc combustion chambers for higher compression engines and is perfect for street performance, daily drivers, street rods and muscle cars where street performance is needed. Sold individually.

Additional Technical Specifications • Deck Thickness: 0.625 in • Deck Height: 10.250 in • Intake Runner Volume: 215cc • Exhaust Runner Volume: 175cc • Valve Angle: 14 degrees • Seat Angle: Exhaust 45 deg/Intake 45 deg • Guide Plate Material: Hardened Steel • Pushrod diameter: 5/16" (width of slot in guide plate). • Drilled and tapped for 7/16-14 Rocker stud