Allstar Performance GM 8.5" Ring and Pinion Gear Set - Ratio: 3.73 AA0700AG3R54 Optional Top and Side air

Optional Top and Side air intakes available for use with external cooling system

1978-1980 Oldsmobile Cutlass Calais

Straight Leg

Assortments contain five each of 1/4"-20

Allstar Performance GM 8.5" Ring and Pinion Gear Set - Ratio: 3.73 AA0700AG3R54 Optional Top and Side airQuality differential components are suitable for race, street, and off road use. Lapped in matched sets for quiet operation. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar Performance.