Allstar Performance Ring & Pinion Gear Set — GM 8.5in 3.08 Ratio | ALL70120 1976-pontiac-firebird-esi3541049 90 Degree with GM HEI

90 Degree with GM HEI Nipple

Providing 10

What mandrel does ALL18098 use

separate 3” to 3” adapter sold separately

Verify your thread pitch before ordering bolts

Allstar Performance Ring & Pinion Gear Set — GM 8.5in 3.08 Ratio | ALL70120 1976-pontiac-firebird-esi3541049 90 Degree with GM HEIThis 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