GM S-Series Hoses

Learn about performing an LS Swap in a 1972 Chevelle in this tech article. We'll discuss lessons learned from our Chevelle engine swap using a 500-horse 6.0.

This veteran of the legendary "gasser wars" of the 60s looks right at home in the Museum of American Speed.

Learn how to use Koul Tools for your AN Hose Assembly with our video guide. Koul Tools make it easy to install a braided rubber hose into the AN fitting socket.

Hose & Fitting

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.