Edelbrock "3rd Generation" 61025 Cylinder Heads

The newest iteration of the Edelbrock Performer RPM lineup for Oldsmobile. Designed for 400, 425, and 455 engines, this head features larger valves & ports, and an improved chamber design compared to the previous generations. What does this mean for you? More bolt-on power!

• 2.150 SS Intake Valve

• 1.680 SS Exhaust Valve

• 77cc Chamber

• 218cc Intake Port

• 128cc Exhaust Port

• Fully Assembled

• 7/16 Rocker Arm Studs

• .600" Maximum Lift

• For Hydraulic Roller Camshaft