2UZ ARP Head Stud kit Original ARP head Stud Set for the Lexus 2UZ Engine applications. These are the original 8740 studs and will provide you the extra clamping strength you are looking for on your engine. Please note that you may have to shave 2 of the head studs down for each head a small amount for the scissor gears for the cams. This is most commonly an issue with non-VVTi 1UZs
