Low Mount A/C Brackets for the Gen 5 LT4/LT1 Dry Sump Engines Clear Aluminum Finish HolleyHolley always focuses on designing new products to make engine swaps easier. The latest is the Low Mount A C Brackets for the Gen 5 LT4 LT1 Dry Sump engines. If you are buying one of these engines new out of the crate or from your local salvage yard, you will need some extra parts designed to help install them. That is where Holley comes in. The new A C brackets were designed to help you gain additional space when swapping this engine platform into