Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Replacing a G-Body 7.5" Bolt Rear End

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

Quick Change Bolt On Components for a Modified Race Car

Steve replaces the factory GM 8.5" 10-bolt rear end on his '76 Chevrolet Laguna S3 with a GM 10 & 12 bolt bolt-on rear disc brake kit.

Adding a Bolt-On Rear Disc Brake Kit to Your Ride

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing GM Rear End Spherical Bushings

Engine Family Facets

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OER GMC Street Bumper Bolts

OER GMC Street Bumper Bolts | Speedway Motors

Shop OER GMC Street Bumper Bolts and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. OER GMC Street Bumper Bolts in-stock with same-day shipping.

OER GMC Street Bumper Bolts

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OER K225 1947-72 Chrome Bumper Bolt, Nut,/Washers

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