Edelbrock 60579 - Cylinder Head, Pontiac V8, Performer, 87cc, Flat Tappet

The Edelbrock #60579 Performer cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. The Edelbrock #60579 Performer cylinder head is 50-state emissions legal for 1965-79 vehicles. They feature 87cc combustion chambers designed to maximize performance while using less expensive, low-octane fuel with a streetable 9.5:1 compression ratio. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. A performer head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.

• For professional cylinder head porter
• 87cc Chamber size
• As-cast casting has small ports and chambers
• Max valve size is 2.11 int and 1.66 exhaust
• 14-Degree valve angle
• Enough wall thickness for CNC machining
• Seats and manganese-bronze guides included