This lift plate is ideal for use on all GM LS Engines & bolts over the top of the valley cover (w/ intake manifold removed). This lift plate also fits Holley 2300 2-barrel & 4150/4160 4-barrel intake manifolds. Features (3) lift holes & can be mounted in several positions on the GM LS valley cover to adjust engine balance, when removing or installing the engine. Steel construction w/ red powder coated finish. Includes (2) sets of mounting bolts for both GM LS & Holley carburetor style intake manifolds.