GM 10 Bolt 7.5 Inch Ring and Pinion
GM 7.5" 10-Bolt, 1.438" Shaft Diameter, 7.50" Outside Diameter, 27 Spline Count
IMPORTANT NOTE: Ring & Pinion ratios are designed for use with a "3 series" carrier. If you intend to install these ratios with a "2 series" carrier, you need to use ring gear spacer #910-48305.
- 7.50" diameter ring gear
- 1.438" diameter pinion
- 27 splines
- 1975-79 Omega
- 1982-99 Camaro/Firebird
- 1983-99 S-10/S-15/Astro Van
- 1976-79 Skylark
- 1977-90 Fullsize Olds/Buick/Pont
- 1977-96 Fullsize Chevy
- 1978-81 Century/Phoenix/Ventura
- 1978-87 Cutlass/Grand Prix
- 1978-87 Monte Carlo/Regal
Note: Circle track racing applications require a minimum of 4 qts. of rear end lube. Using less than this amount will lead to immediate pinion bearing failure.
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Q & A
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Finally, Project Chevelle gets a real hot rod engine under its hood! And what about that flimsy old column shift three-speed? We've got that covered too.
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Diagrams showing the proper measuring techniques for axles and identification diagrams for the various 9-Inch housings.
Steve provides a step-by-step guide to install the Speedway Motors GM 10-Bolt Polished Finned Aluminum Rear End Cover.