There is a lot to consider when choosing the proper spark plug for your engine's intended application and power level. Let us take some of the guesswork out with our spark plug buyer's guide.

Performance Spark Plug Buyer’s Guide

Learn how to install spark plug wire terminal ends. Our step by step guide takes you through terminal end and boot installation with the use of a wire crimping tool.

How To Crimp Spark Plug Wires and Install Boots

In preparation to transplant a 430hp 383 stroker into Project Chevelle, Zach R. made up a set of plug wires for the car. To keep it nice and tidy they needed to be routed just right, be the perfect length and not distract from the engine!

Perfect Fit Spark Plug Wires

Learn about some of the differences between factory plug wires and the improvements you'll receive with a quality set of aftermarket performance wires in our spark plug wire buyer's guide

Selecting The Best Performance Spark Plug Wires

Fuel injection is here to stay and we delve into the benefits of such retrofit systems for your classic muscle car or street rod in our EFI retrofit buyer's guide!

Choosing an Electronic Fuel Injection Retrofit for Your Street Rod or Muscle Car

Spark Plug Cross Reference Guide

Whether you're trying to troubleshoot engine issues or want to get an idea what's going on inside that junkyard jewel that you just hauled home, a leak down test is a great way to ascertain the condition of an engine's cylinders without pulling it apart.

How to do an Engine Cylinder Leak Down Test & Interpreting Results

Leaking engine cylinders is an important preventative maintenance test to do while racing. Learn the steps to perform this test and how to indicate proper engine tuning.

Engine Cylinder Leak Down Test

AllStart Battery Chargers are easy to use and very convenient. Read about how it helped our very own Betsy Grindlay and why everyone should have one.

The Best Tool to Have When Your Car Dies

There is certainly more than one way to get your project's ride height or stance where you want it and we provide a brief overview of the options in this buyer's guide on lowering products.

Complete Guide to Lowering Options for Your Muscle Car, Hot Rod, or Truck

Engine Family Facets

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Muscle & Classic Car Spark Plug Reading Tools

Muscle & Classic Car Spark Plug Reading Tools | Speedway Motors

Shop Muscle & Classic Car Spark Plug Reading Tools and get Free Shipping on orders over $175 at Speedway Motors.

Muscle & Classic Car Spark Plug Reading Tools

Brand

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Products

COMP Cams 5326 Spark Plug Viewing Tool, Plastic/Steel, 10X, Each

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