Holley EFI LS3 Ultra Low-Ram Intake Manifold - 105 mm Throttle Body Flange - Tunnel Ram - Front Entry - Single Injector - LS3 - GM LS-Series 30009BL 1972-1977 Pontiac Firebird CID 350

1972-1977 Pontiac Firebird CID 350

Down Nozzle Filter

Performance Tuned Handling

1968-1973 Chevrolet Chevelle CID 427

Holley EFI LS3 Ultra Low-Ram Intake Manifold - 105 mm Throttle Body Flange - Tunnel Ram - Front Entry - Single Injector - LS3 - GM LS-Series 30009BL 1972-1977 Pontiac Firebird CID 350Ultra Lo Ram Base Intake Manifold Plenum Top Mounting Flange Height 5. 17" Plenum Configuration w 105mm Throttle Body Adapter 6. 86" Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7000 8000 rpm depending on the application. Low height to fit under a stock or mildly modified hood in the configuration Front entry plenum flange allows design & fabrication of special throttle body adapters or inlet