EFI Intake Manifold with Fuel Rails, 4150 Square Bore Flange

Overview EFI intake manifold with fuel rails for GM Gen III and Gen IV LS engines with LS1, LS2, or LS6 cathedral-port cylinder heads. Key Features - Cast aluminum construction - Optimized runner layout and constant cross-sectional area - 4150 square-bore flange - Includes gasket, mounting hardware, and fuel rails Specifications Color: Silver Material: Aluminum Flange: 4150 square bore What's Included 1 x EFI Intake Manifold; 1 x Gasket; 1 x Mounting Hardware Set; 1 x Fuel Rail Set Vehicle Applications GM LS engine LS1/LS2/LS6 Gen III/IV (Cathedral-port cylinder heads)