Holley Sniper Shelby Timing Components

Darrian explains the process of Shelby/Arning drop changes and how that affects your car.

What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

Improve speed and utilize practice time efficiently by gaining awareness of corner times.

Pat show how our Speedy Bill shotgun scoop kit looks installed.