Ratech Ring & Pinion Installation Kit - GM 8.5" Axle - Auto 70-97 - Pick-Up C&K 1500 70-96 20-OTL-NB-4XL -- Monotube gas design filled with

-- Monotube gas design filled with all-weather fluid allows for cooler operation

Great torque and mileage in 400 with stock gear ratio

CNC machined and polished to fit most GM applications

For street and marine engines operating from 1500-6500 RPM

Ratech Ring & Pinion Installation Kit - GM 8.5" Axle - Auto 70-97 - Pick-Up C&K 1500 70-96 20-OTL-NB-4XL -- Monotube gas design filled withInstallation Kit GM 8. 5" AxleAuto 70 97, Pick up C&K 1500 70 96. Contains Pinion Shims, Carrier Shims, Crush Sleeve, Pinion Seal, Pinion Nut, Ring Gear Bolt Set, and Cover Gasket. (Image typical Kit may vary from image but will contain appropriate parts) 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