BSA/Norton/Triumph O-Ring Oil Level Screw / Rockeraxle
70-8158.E8158.68-0289.06-2583.062583.706Oil Level Screw O-Ring Triumph BSA Norton
40-0148
40-148
BSA B40/B441/C15/B50
Made in England
Oil Level Screw O-Ring Triumph BSA Norton
40-0148
40-148
BSA B40/B441/C15/B50
Made in England