Allstar Performance Ring & Pinion Gear Set — GM 8.5in 3.08 Ratio | ALL70120 1976-pontiac-firebird-esi3541049 Sold as One Complete Kit

Sold as One Complete Kit

separate 3” to 3” adapter sold separately

90 Degree with GM HEI Nipple

Providing 10

"text":"It mounts in a deck or bracket with a 7/16 inch hole

Allstar Performance Ring & Pinion Gear Set — GM 8.5in 3.08 Ratio | ALL70120 1976-pontiac-firebird-esi3541049 Sold as One Complete KitThis Allstar Performance ring and pinion gear set is a 3. 08 ratio kit for GM 8. 5in 10 bolt rear ends. It uses a 27 spline pinion gear and is part of Allstar's 3 Series housing fitment line. The ring and pinion are lapped in matched sets at the factory for quiet operation and consistent tooth contact, and are built for race, street, and off road use. Allstar Spec Sheet (PDF) Allstar Ring & Pinion Instruction Sheet (PDF) Compatibility Fits GM 8. 5in