Doc's Diesel x Hot Shot's Secret The Shift Automatic Transmission Protectant + Cleaner 1999-2004 Used for every fill up

Used for every fill up this winter

Includes 6 Engine Air Filters

and long drives

our shirts are built to last and designed to impress

They trap dirt and debris that can wreck key parts like the torque converter and fluid pump

Doc's Diesel x Hot Shot's Secret The Shift Automatic Transmission Protectant + Cleaner 1999-2004 Used for every fill upAbout Product: Doc's Diesel & Hot Shot's Secret are partnering to bring you The Shift, an automatic transmission protectant and cleaner to use as a preventative maintenance product or to fix an existing problem. This Group V Ester helps resolve problems like erratic shifting, hesitation, rough operation, noise, and overheating. It dissolves harmful gum and varnish on transmission components, while lubricating and protecting for longer transmission