Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 12-Bolt Rear End Identification & Upgrade Guide

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

GM Body Styles

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

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

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

Racing a 602 GM Crate Engine

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

A guide to choosing the right camshaft for your engine. See how to install a new LSR roller camshaft while upgrading valve springs and rocker trunnions.

LS Cam Swap

Tips and tricks to pull the most from your GM 602/604 platform.

Approved Upgrades for the GM Crate 602/604

Steve provides a step-by-step guide to install the Speedway Motors GM 10-Bolt Polished Finned Aluminum Rear End Cover.

GM 10-Bolt Polished Finned Aluminum Rear End Cover Installation Guide

Not only is Greg Turner's '56 a great driver, it's full of great family memories. Built in the home garage by Greg and his sons, this clean Chevy has covered a lot of miles.

Greg's '56 Chevy

Engine Family Facets

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Valve Lifters Gm B Body Gm Buick V6 Even Fire

Camshaft And Lifter Kits Gm B Body Gm Buick V6 Even Fire

Rocker Arms Gm B Body Gm Buick V6 Even Fire

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GM B-Body Buick Even Fire V6 Camshafts

GM B-Body Buick Even Fire V6 Camshafts | Speedway Motors

Shop GM B-Body Buick Even Fire V6 Camshafts and get Free Shipping on orders over $175 at Speedway Motors.

GM B-Body Buick Even Fire V6 Camshafts

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Products

COMP Cams 69-248-4 High Energy Hydraulic Camshaft, Buick 3.8L V6

COMP Cams 69-300-8 High Energy Hyd. Roller Camshaft, Buick 3.8L V6

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