BSA Zylinderkopf A7 1954-60
f. Modelle mit Schwinge
gebraucht
keine Garantie
Thread in spark plug holes are good
Rocker stud threads 26 TPI 5/16 good useable condition
Inlet Manifold – 2 threads 5/16 26 TPI – good condition
Our only negative comment – one oft he front rockerbox holes is now 5/16 not ¼“