GM B-Body Speedway Valve Covers Parts

Learn what a manual valve body can and cannot do for your automatic transmission and performance driving needs

Tired of pulling your breather to pour oil in your system? We've got you covered.

Tim talks about early hemi valve cover wire caps.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

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.

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

How proportioning valves work, fixed vs adjustable valves explained, and how to reset a prop valve.

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

How-to install Speedway's new wheel bolt & tab kit on your sprint car.

Speedway Motors announced today they will celebrate customers and their cars during Customer Appreciation Week, July 26-30, with giveaways and a contest to be on the cover of their Race, Street or Muscle catalog.