Valve Guide - Exhaust (9 X 15.09 mm) 039101421 Porsche 912 E 1976 ...
Valve Guide - Exhaust (9 X 15.09 mm) 039101421 Porsche 914 4 1973 ...
Valve Guide - Intake (8 X 12.09 mm) 039101403 Porsche 912 E 1976 ...