Description: The HSP LB7 fuel distribution block / FPR plug was designed to eliminate the factory fuel pressure releif valve, as well as allows more room for our larger billet intake bridge, and routes the low...More Details »
Description: The HSP Brass fuel test port cap is mainly used for LBZ/LMM Duramax trucks to allow more room for aftermarket turbo systems, or cold air intakes. These can be used to replace a leaking factory test...More Details »