Holley Lo Ram Manifold Kit Single Injector Satin GM LS3 L92 300 679 vehicle speed sensors Keep the check engine light seatbelts and accessories Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 5551759 1967 1972 GMC K25 K2500 Pickup 250 CID Low height to aid the packaging of a plenum mounted air to water intercooler in a top feed configuration or to fit under a stock or mildly modified hood in the front feed configuration 25 IN Fuel System Type EFI Grade Type Performance Injector Quantity Single Inlet Location Top Intake Port Gasket(s) Included No Manifold Type Lo Ram Material Aluminum Nitrous Bung(s) Included No Plenum Finish Natural Product Type Intake Manifold Recommended Use Forced Induction Removable Runners No RPM Power Band 3500 8000 RPM Sale Category Air and Fuel Delivery Single Or Dual Plane Type Single Plane Throttle Body Bore Diameter 105 MM Throttle Body Included No Warning California Proposition 65 Warranty Limited 90 Day