Holley Modular Lo-Ram EFI Manifold LS1/2/6 - 300-620BK hangers-clamps-and-flanges 2001-2006 GMC Sierra 2500 HD

2001-2006 GMC Sierra 2500 HD 403 CID

Does Not Include Hardware

1987-1991 GMC R3500

Transmission Line Set For 66 Chevy Bel Air Biscayne Impala TH350/TH400 w/ Loop Radiator Ports 12

1967-1969 Mercury Cougar

Holley Modular Lo-Ram EFI Manifold LS1/2/6 - 300-620BK hangers-clamps-and-flanges 2001-2006 GMC Sierra 2500 HDOverview: The Holley LS1 2 6 Lo Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1 2 6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and the 105 mm throttle body part number 112 581 or similar models. The base intake manifold is designed with