Edelbrock 60189 Performer RPM Cylinder Head

The Edelbrock Performer RPM Aluminum Cylinder Heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability . These cylinder heads offer dyno-proven increases in horsepower, throttle response, and torque throughout the RPM range. These heads feature angled spark plugs and 1-piece, stainless steel 2. 14 intake and 1. 81 exhaust valves . Features include heat treated, machined steel retainers and valve locks along with heavy-duty valve springs for up to 0. 600 lift cams. They also have combustion chambers that are machined 0. 100" for clearance with quench dome style pistons. The intake flange, bolt holes, valve cover and rocker shafts are in the stock location.

• 88cc chambers with 210cc intake ports
• Size of intake valve is 2. 14" and exhaust valve is 1. 81
• Angled plugs for superior combustion
• Combustion chambers machined 0. 100" for clearance with quench dome style pistons
• Flow 290 cfm on the intake and 217 cfm on the exhaust at 0. 600" lift