Are you going to replace them on the car or have the heads rebuilt? If you're rebuilding them have the heads cut for SBC seals on the intake and exhaust. Switch to the TTA 3.8L exhaust valves and be done with it.
Are you going to replace them on the car or have the heads rebuilt? If you're rebuilding them have the heads cut for SBC seals on the intake and exhaust. Switch to the TTA 3.8L exhaust valves and be done with it.