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Product Description
Cylinder Head; Performer RPM; Assembled; Chevy 7.4L/454 Cubic Inch Engine; Aluminum; 290 CC Intake Port/ 110 CC Exhaust Port; 110 CC Chamber Volume; 2.19 Inch Intake Valve/ 1.88 Inch Exhaust Valve; 1.55 Inch Spring Diameter; Single; With Guides/ Seats/ Springs For Hydraulic Roller Cam
Prop 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Prop 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.Performer heads are 50 state emissions legal and are designed to fit emissions related engines. 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
Features & Benefits
- These Oval Port Heads Will Support Over 540 Horsepower With 9.5:1 Compression When Used As Part Of The Total Power Package
- Semi Open Chamber Design Maximizes Efficiency With Streetable Compression Ratios
- Smaller Than Stock 11/32 Inch Valve Stems Promote Excellent Flow And Lighter Valve Weight
- These Heads Give Great Torque And Horsepower Up To 6500 RPM
- Limited 1 Year Warranty
Attributes
- Condition: New
- Engine Compatibility: Chevy Big Block V8 7.4L 454 Cubic Inch
- Style: Assembled
- Finish: Satin
- Material: Aluminum
- CNC-Machined: Yes
- Combustion Chamber Volume (cc): 110 Cubic Centimeter
- Intake Runner Volume (CC): 290 Cubic Centimeter
- Exhaust Runner Volume (CC): 110 Cubic Centimeter
- Port Shape: Square
- Intake Port Location: Standard
- Exhaust Port Location: Standard
- Intake Valve Diameter (IN): 2.19 Inch
- Exhaust Valve Diameter (IN): 1.88 Inch
- Includes Valves: Yes
- Spark Plug Angle: Straight
- Rocker Arm Nut Thread Size: 7/16 Inch
- Includes Rocker Arm Studs: Yes
- Valve Lock Type: 7 Degree
- Valve Stem Seal Type: Umbrella
- Valve Guide Material: Manganese Bronze
- Number Of Springs Per Valve: 1
- Valve Seats Machined: Yes
- Steam Holes Drilled: No
- Includes Guideplates: Yes
- Includes Damper Spring: Yes
EDELBROCK
E11
Cams, Carburetors, Chrome Acc., Engine Sys., Exhaust Sys., Headers, Heads, Injection, Manifolds, Mufflers, Shocks, Suspension
Warranty Return Policy: Return for supplier inspection - Immediate credit issued upon return to KAO/NTP.
EDEL.CYLHEAD
E38
Cylinder Heads
Warranty Return Policy: Return for supplier inspection - Immediate credit issued upon return to KAO/NTP.