Seal, Red Viton, 5/16" Stem x 0.480" Guide Seal Detail, Various Applications (Pkg. of 4)
Norton® 850 1973-1977
Triumph® 500 & 650's 1951-1962
Triumph® 650 / 750 1963-1983
Triumph® TRIDENT ™ 1971-1976
KPMI® Red 100% Viton valve stem seals are designed to have optimum fitment, allow , maximum lift, and to give maximum life. KPMI® Red valve stem seals are resistant to high temperatures, petroleum products and the corrosive gasses that are the by-products of combustion. These seals retain their ability to seal in situations where other materials could harden and allow oil to enter the combustion chamber causing detonation, carbon build up and a loss of power. The Red Ones are truly the racers choice.