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") any other models up to

any other models up to 1970

* New English Made BSA Unit Twins & Singles Oddie Stud Mounting Clip

Replaces Triumph part numbers  70-7641

Oil pump comes complete as shown (excluding the worm gear)

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") any other models up toRebuild 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,