Seal, Red Viton, 5/16" Stem x 0.480" Guide Seal Detail, Various Applications

BSA®, B25, 1968-1971 (Pkg. of 2 Required)  Norton® 750 1968-1973 (Pkg. of 4 Required)Norton® 850 1973-1977 (Pkg. of 4 Required)Triumph® 500 & 650's 1951-1962 (Pkg. of 4 Required) Triumph® 650 / 750 1963-1983 (Pkg. of 4 Required)Triumph® TRIDENT ™ 1971-1976 (Pkg. of 4 Required)BSA® Rocket III™ 1969-1972 (Pkg. of 6 Required) 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. Click Here to Download KPMI® Seal Catalog Type Intake/ Exhaust Material Red Viton® Reference  See Figure 1 Quantity Various Stem Diameter 5/16" Overall Length 0.465" Seal O.D. 0.550" A 0.500”±0.010” B 0.445" C 0.230" D 0.280" Note Use the diagram and specifications to ensure your valve guide shares the same dimensions for a proper fit Unique Identifier No. FR327789_01GAUS