sourcing a pre EFI SR500/400 head in GC Sept 22, 2016 6:29:47 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by headley on Sept 22, 2016 6:29:47 GMT -5 Hi would anyone know a good place to source a pre EFI SR400/500 cylinder head preferably Australia but anywhere on the planet will do.