Engine Cylinder Head

The Edelbrock #605919 Performer RPM cylinder heads are designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. They are patterned after the 1969-70 Ram Air IV Pontiac cylinder head. The Edelbrock #605919 Performer RPM heads with the 72cc combustion chamber are for higher compression 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 cylinder heads deliver great throttle response and power from 1500 to 6500 rpm. They also feature the highest quality intake and exhaust valves and valve springs.

Additional Attributes:

GTIN: 00085347990436
CNC Ported: No
Combustion Chamber Volume: 72.0
Deck Height: 10.250
Deck Thickness: 0.625
Exhaust Valve Diameter: 1.660
Grade Type: Performance
Guide Plate Material: Hardened Steel
Guide Plates Included: Yes
Head Casting Number: 31-6056
Intake Runner Volume: 215.0
Intake Valve Diameter: 2.110
Material: Aluminum
Push Rod Diameter: 0.312
RGL: WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Rocker Arm Stud Diameter: 0.437
Valve Angle: 14
Valve Spring Diameter: 1.460
Valve Spring Maximum Lift: 0.575
Valve Stem Diameter: 0.341

Extended Information:

Emissions : EPA Eligible
Life Cycle Status: Obsolete

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 24.75 x 10.44 x 8.13 inches
Weight: 36.95 PG