Undertaking an LS series engine swap on a GM TBI truck, van or SUV The HFP-367 is a direct fit, provides 58PSI, supports 400rwhp (500hp flywheel), and is backed by a lifetime warranty. This pump will not overload factory wiring nor will it overpower OE pressure regulators. Compatible with all LS series motors; LM7, LR4, L33, LC9, LQ4, LQ9, L92, LS1, LS2, LS6, etc. Direct replacement for AC Delco EP381.