hey dude i would go talk to bob @ECC on tgtt.com they will do you a kit with a athena headgasket and arp head studs for 55 quid more head studs alone are 120 quid so your getting more for your money . thell bob i sent you his way link, http://www.toyotagtturbo.com/forums/showthread.php?t=69048 joel