Cathedral Port Single Plane Small Block Intake Manifold for Chevy GM LS1 LS2 V8. Engine: LS1, LS2. Fit for 1999-2007 Chevy small block GEN III/IV LS Engines with LS1 LS2 4.8L 5.3L 5.7L 6.0L Cathedral Port Heads Single plane with 4-barrel square bore.
