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R32 GTR Drag Cylinder Head Hi all, New to the forums after a little advice regarding my rb26 head build. Im currently building a r32 drag car and im looking at building a head that will support 1300awhp+ , before anyone asks the rest of the engine and driveline will be capable of the power im chasing i just want to do the head right the first time around I will be starting with a new core. Im thinking about going sum custom cams but unsure who does the best for this sort of an application. What i would like to know is who in australia does the best porting jobs on the rb26 with proven results. Also suggestions on the valve train im looking at ferrea 1mm oversized valves but not sure on what are better in the way of spring and retainer kits. Are ferrea, tomei, and supertech all pretty similar in quality and performance? Are tomei solid lifters and bronze valve guides going to be up there with the best or is there better available? Also ive heard of +2mm oversized exhaust valves being an option but unsure of who makes them.... Any advice or help pointing me in the right direction would be greatly appreciated. Thank you