Does anybody have a source for good intake/exhaust manifold gaskets for the 1147cc Spitfire engine? I can get the $3 paper ones but am looking for a better quality gasket. I need one urgently. Robert MacKenzie NASS # 511 Austin Texas '78 1500 (street) '71 GT6 MKIII (project) '62 Spitfire 4 (race)