Edelbrock Performer RPM Bare NHRA Stock/Super Stock Cylinder Heads 60917

Edelbrock Performer RPM bare NHRA Stock/Super Stock cylinder heads deliver great throttle response and power from 1,500 to 6,500 rpm, and with winning results. Offering the best in quality and performance, these bare heads are cast and heat-treated in the Edelbrock Foundry and machined in their manufacturing facility. Designed with the latest computer technology, they have highly efficient ports and state-of-the-art combustion chambers shapes for improved performance throughout the rpm range with great throttle response and top-end horsepower. Edelbrock Performer RPM bare NHRA Stock/Super Stock cylinder heads include top-quality features, like threaded inserts in rocker stud and exhaust bolt holes for superior strength and durability, and manganese-bronze valve guides with ductile iron valve seats.Brand: Edelbrock
Manufacturer's Part Number: 60917
Part Type: Cylinder Heads
Product Line: Edelbrock Performer RPM Bare NHRA Stock/Super Stock Cylinder Heads
HP Direct Part Number: EDL-60917
UPC: 085347609178
Combustion Chamber Volume (cc): 84
Intake Runner Volume (cc): 210cc
Exhaust Runner Volume (cc): 70cc
Cylinder Head Style: Bare
Cylinder Head Material: Cast aluminum
Intake Valve Diameter (in.): 2.140 in.
CNC-Machined Combustion Chamber: No
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Intake Port Location: Standard
Exhaust Port Shape: Rectangular
Exhaust Port Location: Standard
Spark Plug Style: Straight
Intake Valves Included: No
Exhaust Valves Included: No
Exhaust Valve Diameter (in.): 1.810 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: 15
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 head
Machined for O-Ring: No
Heat Crossover: No
Remanufactured: No
Quantity: Sold individually.
Notes: NHRA legal for Stock and Super Stock eliminator. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. Vacuum advance distributor may not clear cylinder head.