11/32" Steel & Viton Valve Stem Seals (Suits: 0.530" Guides) these U-joint girdles have a

these U-joint girdles have a unique design that provides more bearing surface for the universal joint bearing cap

The TorqueWorm is a torque biasing 6 pinion gear type limited slip unit

This makes them far superior to standard OEM fasteners in terms of durability

then highly polished and chrome plated for lasting beauty

These idle air control motor adapters are designed to adapt the GM-style idle air control motor to a our Speedmaster downdraft system

11/32" Steel & Viton Valve Stem Seals (Suits: 0.530" Guides) these U-joint girdles have aValve 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.