Triumph 350 / 500 Unit Twins Inlet / Exhaust Valves (1) - 1957-74 - Choose Valve Type Valve Type - Diameter & Length:Inlet #70-3738 / E3738 - (.310" X 3.610") Haynes repair manuals come jammed

Haynes repair manuals come jammed packed with all the information you need to get your Triumph

Primary Chain Features 84 Links & is "Endless" which means it does not have a Masterlink as O

any other models up to 1970

Replaces Triumph part numbers  70-7641

Etc) from approx 1962-1968

Triumph 350 / 500 Unit Twins Inlet / Exhaust Valves (1) - 1957-74 - Choose Valve Type Valve Type - Diameter & Length:Inlet #70-3738 / E3738 - (.310" X 3.610") Haynes repair manuals come jammedRebuild your classic Triumph 350 500 unit twin 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 Triumph part number 70 4640, E4640, 70 3738, E3738, 70 3739, E3739, 70 4012, E4012, 70 4013, and E4013. Valves where fitted to a wide range of Triumph 350 and 500 models including the 3TA, T90, 5TA, T100, T100C, T100R,