Zero-degree spark plugs that come with the kit replaced the factory ones. Then a spring-load tensioner stop was modified to achieve greater travel. Factory intake gaskets were cut to fit the Whipple manifold, and the fuel rails were installed on that manifold. Once the Whipple manifold was placed onto the engine, all of the hoses, lines, and wires were attached to it.
Whipple Supercharged F-150 - Whip It Good