350 Articles

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce new racing products in their booth (#4101) at the 2025 PRI Show Dec. 11-13 in Indianapolis, Ind.

Our ZDDP oil list covers conventional, synthetic, and diesel oil zinc content levels to help you determine the best oil for your engine's needs.

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend.

Learn the differences between Chevy 2-bolt and 4-bolt main blocks, how to ID them, key years, and whether a 4-bolt is worth it for your build

What is a sway bar and what does it do? Understand how sway bars reduce body roll, improve cornering, and what's best for your car or truck

Estimate horsepower, trap speed, and ET with our drag performance calculator. Use it as a 1/4 mile time estimator or 1/8 mile ET to mph calculator.

Speedway Motors, a manufacturer, retailer and distributor of high-quality automotive parts and racing products, announced today new products now available on their website.

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce a number of new products in their booth (#23791) at the 2025 SEMA Show Nov. 4-7 in Las Vegas, Nev.

SoCal's first speed shop, Bell Auto Parts, pioneered the aftermarket with OHV Ford Flatheads, Cragar Mags, and racing helmets in the 1920s racing scene

Explore multi-link rear suspension upgrades, from 3-link to 4-link kits. Find out how a 4-link suspension improves traction and ride quality.