Description: Stack them to heaven. We have cut the valve surfaces some .100 into the head in places so why not just add .200 in stack shims so these old worn out springs cannot compress without breaking. You cannot add "Spring to Sprung"
Stack them to heaven. We have cut the valve surfaces some .100 into the head in places so why not just add .200 in stack shims so these old worn out springs cannot compress without breaking. You cannot add "Spring to Sprung"
