Learn how to hook up a 1-wire alternator on your vehicle. 1-wire alternators are perfect for engine swaps or just keeping things simple for your project.

Why Convert to A One Wire Alternator

Ammeters and voltmeters are two very different ways of monitoring your vehicle’s charging system. Both are better than an “idiot light” but which one is right for your build?

Ammeter vs Voltmeter: How They Work, and Which One Is Right for Your Car

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

LS Swap Chevelle Guide

A guide on how to install a universal wiring harness in a car. Read tips on properly wiring taillights, headlights, gauges, ignition switch, steering column and more.

Universal Wiring Harness Instructions - Installation

Hot Rod Voltage Regulators

Hot Rod Voltage Regulators | Speedway Motors

Shop Hot Rod Voltage Regulators and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Hot Rod Voltage Regulators in-stock with same-day shipping.

Speedway Runtz 12-Volt to 6-Volt Voltage Reducer

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Universal Fit, 1.70" Overall Length, .55" Overall Width

Electric 12 Volt to 6 Volt Reducer for Motors

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Universal Fit, 3.00" Overall Length

Voltage Reducer for Fans & Motors

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Universal Fit, 2.00" Overall Length, 1.34" Diameter

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Speedway Runtz 12-Volt to 6-Volt Voltage Reducer

Electric 12 Volt to 6 Volt Reducer for Motors

Voltage Reducer for Fans & Motors