Edelbrock Performer RPM Cylinder Heads 60509

Edelbrock Performer RPM aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. They also include hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. These heads offer improved power throughout the RPM range for greater throttle response and top-end horsepower. Countless options are available; order the model recommended for your vehicle and engine application.Brand: Edelbrock
Manufacturer's Part Number: 60509
Part Type: Cylinder Heads
Product Line: Edelbrock Performer RPM Cylinder Heads
HP Direct Part Number: EDL-60509
UPC: 085347605095
Combustion Chamber Volume (cc): 72
Intake Runner Volume (cc): 215cc
Exhaust Runner Volume (cc): 175cc
Cylinder Head Style: Bare
Cylinder Head Material: Cast aluminum
Intake Valve Diameter (in.): 2.110 in.
CNC-Machined Combustion Chamber: No
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Location: Standard
Exhaust Port Shape: Ram Air IV
Exhaust Port Location: Standard
Intake Valves Included: No
Exhaust Valves Included: No
Exhaust Valve Diameter (in.): 1.660 in.
Valve Springs Included: No
Damper Spring Included: No
Retainers Included: No
Locks Included: No
Valve Stem Seals Included: No
Rocker Arm Studs Included: No
Rocker Arms Included: No
Rocker Arm Nuts Included: No
Guideplates Included: No
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 14
Valve Guides Included: Yes
Valve Guide Material: Manganese bronze
Valve Seats Machined: No
Valve Seat Material: Ductile iron
Cylinder Head Color: Natural
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: Yes
Remanufactured: No
Quantity: Sold individually.
Notes: Head bolt holes drilled for stock 7/16" bolts, but can be easily modified for 1/2" bolts or studs by drilling the 1/2" counterbore. Aftermarket 7/16"-stud rocker arms and 3/8" hardened pushrods required. These heads require Ram Air IV (round port) style exhaust manifolds or headers and Edelbrock head bolt kit 8549.