Edelbrock 6045 Big Block Chevy Aluminum Performer RPM Cylinder Heads

Fresh valve job. Good and ready to go. The Edelbrock name has been a staple of the automotive performance industry since the 1940’s. With a product line that includes virtually everything under the hood, from individual components to complete engines, Edelbrock is one of the most recognized and trusted brands in the racing and performance world. These 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 feature hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. They offer improved power throughout the rpm range for greater throttle response and top-end horsepower. For Hydraulic flat tappet camshafts. If using a domed piston check clearance before final assembly, spark plug location has been moved .150 closer to bore center, with a semi-open chamber design.

Combustion Chamber Volume (cc): 110
Intake Runner Volume (cc): 290cc
Exhaust Runner Volume (cc): 110cc
Cylinder Head Style: Assembled
Cylinder Head Material: Aluminum
Intake Port Shape: Oval
Intake Valve Diameter (in.): 2.190 in.
Cylinder Head Finish: Natural
CNC-Machined Combustion Chamber: No
CNC-Machined Intake Runner: No
CNC-Machined Exhaust Runner: No
Combustion Chamber Style: Semi-open
Intake Port Location: Standard
Exhaust Port Shape: Square
Exhaust Port Location: Standard
Intake Valves Included: Yes
Exhaust Valves Included: Yes
Exhaust Valve Diameter (in.): 1.880 in.
Valve Springs Included: Yes
Maximum Valve Lift (in.): 0.700 in.
Outside Diameter of Outer Spring (in.): 1.550 in.
Damper Spring Included: No
Number of Springs Per Valve: Dual
Retainers Included: Yes
Retainer Material: Steel
Locks Included: Yes
Lock Style: 7 degree
Valve Stem Seals Included: Yes
Valve Stem Seal Style: Positive stop
Rocker Arm Studs Included: Yes
Rocker Arm Nut Thread Size: 7/16 in.-20
Rocker Arms Included: Yes
Rocker Arm Nuts Included: No
Guideplates Included: No
Guideplate Pushrod Size: 3/8 in.
Valve Cover Mounting Style: Perimeter bolt
Accessory Bolt Holes Drilled: Yes
Intake Valve Angle: 26
Valve Guides Included: Yes
Valve Guide Material: Manganese bronze
Valve Seats Machined: Yes
Valve Seat Machine Style: 3-angle
Valve Seat Material: Ductile iron
Steam Holes Drilled: No
Oiling Style: Through pushrod
Machined for O-Ring: No
Heat Crossover: No