This high-rise single plane intake is capable of supporting up to 600 hp. The Victor Jr. LS1 accepts a square bore carburettor and includes an electronic timing module that picks up MAP, crank position, and cam position in order to drive the stock LS1 Coil-on-Plug ignition system. The module offers a choice of several built-in timing curves, each tailored for engine displacement, cam profiles, and fuel grades. The # ED29087 (manifold only) can be used on LS2 applications when matched with MSD6012 LS2 ignition controller. Includes a throttle bracket designed to work with 700R-4, 200R-4 and Turbo 350 transmissions. Made in USA