Chevy G30 Auxiliary Lights and Components

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

Tim talks about our Winters quick change rear end & components.

Check out this headlight wiring and taillight wiring diagram.

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.

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

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.

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

Brief review of the different types of Ford alternators and regulators available through Speedway Motors.

Tim talks about some of the 1940 Ford dash items we offer.