Intake Manifold Angled Adapter Bushing Set The outer case is made

The outer case is made from 8620 Chrome-Nickel-Moly steel and the case hardened for long life

these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers

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

heat-treated

The Speedmaster forward drum and direct drum assembly are designed to withstand high horsepower with their upgraded 36 element sprag design

Intake Manifold Angled Adapter Bushing Set The outer case is madeThese angled intake manifold bushings are designed use of non Vortec manifolds on 1987 95 cylinder heads.