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

This Chevelle project gets rewired with a Speedway Motors 22 Circuit wiring kit.  Follow along as Jeff guides you through this application, starting with a good mounting location for the fuse box. Learn more on continuity, grounding and relays.

Installing a Speedway Motors 22 Circuit Wiring Kit

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing GM Rear End Spherical Bushings

Engine Family Facets

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Scott Performance Wire Bubble Chevy GM B-Body Parts

Scott Performance Wire Bubble Chevy GM B-Body Parts | Speedway Motors

Shop Scott Performance Wire Bubble Chevy GM B-Body Parts and get Free Shipping on orders over $175 at Speedway Motors.

Scott Performance HEI 10mm Spark Plug Wires

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Scott Performance HEI 10mm Spark Plug Wires