Since LS swapping our Chevelle, there's been a lot of debate going on about which was better; the traditional 383 or the Gen III LQ9. Well, which one really gave us the most bang for the buck? Read on to find out...

Project Chevelle: 383 vs. LS Shootout Tech Article

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

LS Swap Chevelle Guide

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.

NASCAR Engines Through the Years

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

Ford Small Block V8 Racing Cylinder Heads

Ford Small Block V8 Racing Cylinder Heads | Speedway Motors

Shop Ford Small Block V8 Racing Cylinder Heads and get Free Shipping on orders over $149 at Speedway Motors.

Flo-Tek 203505 Small Block Ford Aluminum Cylinder Head

Material Type

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Finish

Cylinder Head Style

Spark Plug Style

Combustion Chamber Volume

MFG. Part #

Intake Valve Diameter

Exhaust Valve Diameter

Spring Diameter

Intake Runner Volume Range

Exhaust Runner Volume Range

Combustion Chamber Volume Range

Exhaust Runner Volume

Intake Runner Volume

Notes

GTIN Code

Speedway Motors Catalog Part #

289, 302, 351W, Assembled Cylinder Head Style, Aluminum

World Products 053030-2 S/B Ford Windsor Jr. Cylinder Head, Complete

Intake Port Shape

Exhaust Port Shape

289, 302, 351W, 5.0L, Assembled Cylinder Head Style

World Products 053040-2 Ford Windsor Sr. Complete Cylinder Heads

World Products 053040-BARE Ford Windsor Sr. Cylinder Head, Bare

289, 302, 351W, 5.0L, Bare Cylinder Head Style, Natural

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Ford Small Block V8 Racing Cylinder Heads

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Flo-Tek 203505 Small Block Ford Aluminum Cylinder Head

World Products 053030-2 S/B Ford Windsor Jr. Cylinder Head, Complete

World Products 053040-2 Ford Windsor Sr. Complete Cylinder Heads

World Products 053040-BARE Ford Windsor Sr. Cylinder Head, Bare