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

Bringing an old Mopar back to life isn't always a breeze. Fortunately, MSD has come up with a solution for those outdated and unreliable points-type ignition systems. Find out how to install a MSD 8386 distributor and MSD 5531 spark plug wires

Ignition Upgrades for Classic Mopar Muscle

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

Speedway Economy 12 Circuit Wiring Harness

Watch our Steering Column Wiring Guide video for useful tips on wiring your new steering column for your vehicle. Ididit takes you through the wiring process.

Steering Column Wiring Guide

A guide on removing and installing a new electric motor kit for exhaust cutouts.

How to Install an Electric Motor Kit for Exhaust Cutouts

Engine Family Facets

707063f6-5cf0-44d1-8e1f-49059e48addf

3fe4cfeb-d42e-4b60-a312-2940d324f962

Popular Parts

Modern Muscle 12V Auxiliary Power Outlets

Modern Muscle 12V Auxiliary Power Outlets | Speedway Motors

Shop Modern Muscle 12V Auxiliary Power Outlets and get Free Shipping on orders over $175 at Speedway Motors.

Modern Muscle 12V Auxiliary Power Outlets

Brand

Availability

Price

Customer Rating

Products

Pico 0920C Auxiliary Plug

Popular Parts