BSA Singles / Twins Inlet & Exhaust Valves (1) - Choose Valve Type / Application Pipe Use the drop down menu

Use the drop down menu to select which head gasket you desire for you're Norton 750 or 850 Commando

Want the best

Our tool will replace both Triumph and BSA factory tool 61-6042

-130 (MPH) Speed Rate

and uncomfortable- when I ride my Triumph or BSA I like to stay in "theme" and safe

BSA Singles / Twins Inlet & Exhaust Valves (1) - Choose Valve Type / Application Pipe Use the drop down menuRebuild your classic BSA unit single by purchasing and installing our fine, English made valves. Each intake exhaust vale is manufactured from stainless steel to bring you both quality and longevity. Each valve will replace BSA part number 68 0665, 70 8112, E8112, 70 7777, E7777, 41 0788, 41 788, 41 0789, 41 7891, 68 0661, 68 661, 68 0662, 68 0663, 68 663, 68 0157, 68 157, & 68 662 Valves where fitted to a wide range of BSA C15, B25, B44, B50, TR25W,