GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

GM 10-Bolt Identification and Upgrades | 7.625, 7.5, 8.2, 8.5, 8.6

Read up on GM 10 bolt ring and pinion installation instructions. Follow along as our employee Zach installs a GM 10 bolt rebuild kit from Motive Gear.

GM 10 Bolt Rebuild Instructions

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

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Mobil 1 1980 Pontiac Phoenix GM 8.5 Inch 10-Bolt Parts

Mobil 1 1980 Pontiac Phoenix GM 8.5 Inch 10-Bolt Parts | Speedway Motors

Shop Mobil 1 1980 Pontiac Phoenix GM 8.5 Inch 10-Bolt Parts and get Free Shipping on orders over $199 at Speedway Motors.

Mobil 1 1043611 75W90 Full Synthetic Gear Oil Change Kit, 8.5 In.

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Mobil 1 1043611 75W90 Full Synthetic Gear Oil Change Kit, 8.5 In.

Mobil 1 1024901 75W140 Full Synthetic Gear Oil Change Kit,8.5 In.