Tuff Stuff GMC S15 Engine Parts

Learn what goes into setting the fuel for your engine and how to change the density altitude, ADR, main pill and high speed pressure to optimize a/f ratio.

Tim talks about the new SA2015 helmets and what we have to offer.

Learn about the steps and tools necessary for a smooth chassis assembly for your sprint car.

Speedway Motors employee Jeff K. has hand his hands on a lot of projects through the years. Check out his how-to on the repaint of the steering wheel on his '46 Ford Sedan Delivery.

A guide on how to tune and set sprint car shocks. Learn about valving numbers, the importance of dyno testing shocks and how bump rubbers help tune your race car.

Pat shows off how easy wiring your LS can be with our LS wiring kit.

Follow Tim as he swaps tail housings and covers on a T-5 transmission

Tim shows some of our Rocket wheels and knockoff hub covers.

Pit Sheet.