Learn how to best choose between an electric or mechanical fuel pump for your project vehicle. We help you you understand the differences in order to properly design a performance fuel system with our buyer's guide.

Electric Fuel Pumps vs Mechanical Fuel Pumps: What Is Best For Your Application

Learn the importance of proper electrical grounding and how it affects not only starting, but accessories and lighting as well.

Car Grounding | Bad Ground Wire Symptoms & Troubleshooting 101

Crimping or soldering automotive wiring are both viable options, but in some cases, it is preferable to do one vs the other

Crimp vs Solder | How to Solder & Crimp Automotive Wires

Looking for an easy performance upgrade to your ignition system? MSD's line of Ignition Control Boxes offer extreme improvements to drivability and high rpm applications. Here's a look at the differences between the 6 series line-up.

MSD Ignition Box: Ignition Controller Buyer's 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

Upgrading to electronic ignition is a huge improvement in performance, reliability, and lower maintenance that you can add to just about any engine your project may be running. Learn all about your electronic ignition choices in this buyer's guide.

Benefits of Electronic Ignition System Upgrades

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!

Testing 2 and 3 Wire Speed Sensors

Power brake boosters offer lower pedal effort and better braking characteristics, but which one is right for your hot rod, muscle car, or truck? We take the guesswork out of that question with our latest buyer's guide.

Best Brake Boosters for Better Braking

Troubleshooting a fuel gauge can be a seriously aggravating issue. Click here for a video showing some hints and tips!

Troubleshooting a Fuel Gauge

There are several types of quarter-turn fasteners used in the performance automotive aftermarket and in this buyer's guide we'll help show you the correct fastener for your application and how some of the most common types of fasteners are used.

Selecting Quarter-Turn Fasteners

Engine Family Facets

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

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

Popular Parts

MSD Electrical Testers

MSD Electrical Testers | Speedway Motors

Shop MSD Electrical Testers and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. MSD Electrical Testers in-stock with same-day shipping.

MSD Electrical Testers

Brand

Application

Department

Discounts

Price

Products

MSD 89981 Universal Ignition Tester

Popular Parts