Ford 429-460, 75cc combustion chambers, 292cc Intake port

ED60679

60679

Performer RPM heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. These heads give great torque and horsepower up to 6500 rpm. Designed for 1968-87 429-460 Fords Ideal for high-performance street and drag racing Over 500+ hp at 6500 rpm (+30 hp more than ported factory heads) and 525+ ft/lbs. of torque at 4500 rpm with the Performer RPM Total Power Package Intake ports can be opened up to match Victor manifolds # ED2965 and # ED2966 Performer RPM 460 heads accept factory exhaust, aftermarket headers and factory valvetrain components. Requires the use of 3/8" diameter pushrods Combustion chamber volume: 75cc Intake runner volume: 292cc Exhaust runner volume: 100cc Intake valve diameter: 2.19" Exhaust valve diameter: 1.76" Valve stem diameter: 11/32" Valve guides: Manganese bronze Deck thickness: 5/8" Valve spring diameter: 1.55" Valve spring maximum lift: .700" Rocker stud: 7/16" Guide plate: Hardened Steel Pushrod diameter: 3/8" Exhaust port location: Stock Spark plug fitment: 14mm x 3/4" reach, gasket seat Made In: USA