FiTech calls it the Ultimate LS induction system and the base kit includes everything needed, including the intake manifold, throttle body, ECU, complete wiring harness, injectors (either 36 or 66 ...

In short, the best engine for your LS or Vortec swap is the one you can afford. Sure, we would all love a shiny new LS3 crate engine from Chevrolet Performance or a rebuilt 5.3L long-block from ...

Spectre Performance's universal LS air intake kit: 4-inch washable synthetic element filter, polished aluminum 4-inch elbow, clamps, and weld-on MAF sensor bung. See All 20 Photos ...