gn4u2c
1/2 ton status
These are way better than the gm vortec heads !
heart chambers,64 cc, 170 phase 2 intake, centerbolt cover mounts, 7/16 screw in studs, guide plates, staight plug , 1.94/ 1.50 ss valves, hardened seats. These do not need to be ported they are designed better than gms heads valves do not need to be backcut to increase flow. These are 100 % assembled with pioneer locks/retainers LT4 hotcam springs.ready to take up to a .550 lift cam Bolt on and go !!
I have gone a diffrent route and no longer can use these (bb) They only have 300 miles on them total. never got them hot or anything else perfect shape. I have almost a 1,000 buck in these will sell $600 or trade for holley efi setup for BB chevy
heart chambers,64 cc, 170 phase 2 intake, centerbolt cover mounts, 7/16 screw in studs, guide plates, staight plug , 1.94/ 1.50 ss valves, hardened seats. These do not need to be ported they are designed better than gms heads valves do not need to be backcut to increase flow. These are 100 % assembled with pioneer locks/retainers LT4 hotcam springs.ready to take up to a .550 lift cam Bolt on and go !!
I have gone a diffrent route and no longer can use these (bb) They only have 300 miles on them total. never got them hot or anything else perfect shape. I have almost a 1,000 buck in these will sell $600 or trade for holley efi setup for BB chevy
