Ratech Solid Pinion Bearing Spacer w/ Shims - GM 12 Bolt (Passenger) 91929929 030" MLS Exhaust Manifold GasketSince

030" MLS Exhaust Manifold GasketSince 1989

Throttle bodies and Cold air Intakes

and then induction hardened to Rc48

Hassle-Free Installation:

Self Lubricating Bushings For All Weather Performance

Ratech Solid Pinion Bearing Spacer w/ Shims - GM 12 Bolt (Passenger) 91929929 030" MLS Exhaust Manifold GasketSinceSolid Pinion Bearing Spacer with Shim Pack 12 Bolt GM Axle (Auto)Replaces the stock crush sleeve, eliminates bearing failure, reusable. 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.