340 stroker 422
This set of Speedmaster heads really opened my eyes on a few things. He wanted zero chamber work done to keep compression up and with a 2.055 valve still put out some nice numbers. Some things make you go Hmmmm
This set of Speedmaster heads really opened my eyes on a few things. He wanted zero chamber work done to keep compression up and with a 2.055 valve still put out some nice numbers. Some things make you go Hmmmm