Ratech 8.5" GM Deluxe Installation Kit 122002 Fits in stock HEI distributorsCARB

Fits in stock HEI distributorsCARB EO # D-40-43

Window Mount

or Chevy SS is easy with lower control arms from BMR Suspension

The result is enhanced airflow and fuel distribution

4" radius J-bends

Ratech 8.5" GM Deluxe Installation Kit 122002 Fits in stock HEI distributorsCARBProduct Description: Differential Installation Kit Deluxe Bearings Crush Sleeve Gaskets Hardware Seals Shims Marking Compound 8. 5 in GM 10 Bolt 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