efi systems are designed for 1987-95 chevy/gmc trucks with 5.7l 7.4l engines ... utilize the stock computer stock sensors and throttle body unit without the ... 50-state street legal on most 1987-95 chevy/gmc trucks and sport utility vehicles ... for 1987-95 tbi trucks for 1987-92 5.7l chevy/gmc 3502 for 1993-95 5.7l chevy/gmc ... pump performer multi-point 5.7l efi vortec systems for 1987-95 tbi trucks with ... vortec engine conversion for 1987-92 5.7l ... chevy/gmc vortec with factory replacement vortec engine ... long block 3505 for 1993-95 5.7l chevy/gmc vortec with factory replacement ... vortec engine gm #12530282 long block incl ... piggyback computer adapter 3506 vortec egr adapter kit required for 1987-95 ... the left side exhaust manifold from a vortec truck gm #10220275 egr supply tube and ...