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Ships within 48 hours · Estimated delivery Sep 27 - Oct 2
The "S" shape gap between inner and outer ring is press inserted with sulfated elastic rubber to ensure the damper will not disintegrate under any circumstance
Aggressive
They are individually hand turned and pressure tested to exceed performance standards
many rebuilders wish to increase line rise
351c Cleveland
8mm LS Steel & Viton Dual/Single Spring Valve Stem Seals (Suits: 0.500" Guides) The "S" shape gap betweenValve stem seals control the lubrication of the valve stem as it slides in the valve guide. Too little oil causes stem and guide wear. Too much oil increases oil consumption and can cause a buildup of carbon, leading to valve seat damage and early valve grind. Speedmaster valve seals are posi stop seals made from high temperature Viton material for a long lasting seal.
US$ 109.95
US$ 99.95
US$ 13.95
