i have srp forged pistons and X-cam 1/6 rr ...... i have read the posts and most people like the 165's for my setup. but is it going to be a difference between 5 or 50 hp.?
Well guys what do you think ...is this why my car is so slow. or is it the tune
Well guys what do you think ...is this why my car is so slow. or is it the tune