It's fun to row your own gears. Tremec transmissions are a great way to add a modern overdrive manual to your classic car or truck. Here's a guide to help you select the right one.

Tremec TKX, TKO & T56 Swap Guide | Clutches, Mounts, Bellhousings & More

In this Tech Tip, John answers a customer question about the Speedway 12 Circuit Wiring Harness.

Speedway Economy 12 Circuit Wiring Harness

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

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Transmission Replacement on a 55 Chevy

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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1972 Chevy C20 Suburban T56 Engine Wiring Harnesses

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1972 Chevy C20 Suburban T56 Transmission Wiring Harnesses

1972 Chevy C20 Suburban T56 Transmission Wiring Harnesses | Speedway Motors

Shop 1972 Chevy C20 Suburban T56 Transmission Wiring Harnesses and get Free Shipping on orders over $175 at Speedway Motors.

1972 Chevy C20 Suburban T56 Transmission Wiring Harnesses

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Holley 558-473 Chrysler 46RE Trans Control Harness, Term X Max

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