Edelbrock Performer RPM Cylinder Head - Assembled - 2.190 / 1.880 in Valve - 290 cc Intake - 110 cc Chamber - 1.550 in Springs - Big Block Chevy R1 Various Subaru Applications 1993-2008

Various Subaru Applications 1993-2008

7/16-20 in Left Hand Male Thread

It's completely reversible and couldn't be easier

but the internal components of the ProCam fuel pump have been re-engineered to reduce leaks and maintain pressure

Edelbrock Performer RPM Cylinder Head - Assembled - 2.190 / 1.880 in Valve - 290 cc Intake - 110 cc Chamber - 1.550 in Springs - Big Block Chevy R1 Various Subaru Applications 1993-2008Direct bolt on heads for 1961 76 390 427 428 Ford Stock and Super Stock racers. No port profiling or bowl blending of ports. Engraved with the NHRA Logo on both ends. Number 60087 is sized for 2. 09in. 1. 66in. valves for 427 low riser applications. Edelbrock, BBC, Big Block Chevy,454, 396, 402, V8, Cylinder Heads, 60459, Flat Tappet Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3 4" reach with flat gasket seat. These oval port