ok so im looking around online and saw the type r head built new for like 1500 wich i work at the dealership so i can get a discount on, then you have the type r parts you can buy to rebuild the head. my question is whats better rebuilding with type r valvetrain or just buying the type r head new with some assembly put together. i have a b17 and was just wondering for the future. so all the type r valvetrain plus machining or type r head built pretty much already??