Ratech Head Bearing Upper Control Arm Shims When your turbo or blower

When your turbo or blower forces the air/fuel mixture into the engine

or Snap-In configurations

or more (see GT3 Standard Horn Buttons)

Features single programmable digital shift point

Ratech Head Bearing Upper Control Arm Shims When your turbo or blowerProduct Description: Pinion Bearing Head 3. 500 in OD 1. 875 in ID Steel GM Mopar Sold Individually Ratech wants all racers to know about The Myth that "All Shim Packs in the market are the same. They're just washer shaped steel that come in different thickness." WRONG! Ratech manufacture all of their shims in house on their own machinery. Ratech uses the absolute finest American made Hardened Shim Stock available. Ratech uses only hardened shim stock