nope...bolt and go...just make sure if your replacing the heads take the shims from your old head and put them on the new head and youll be good to go....if you dont put the shims back in then you will have to retune and it will cause problems down the road
nope...bolt and go...just make sure if your replacing the heads take the shims from your old head and put them on the new head and youll be good to go....if you dont put the shims back in then you will have to retune and it will cause problems down the road