Holley Hi Ram Intake Manifold GM LT1 300 141 gauges 9L V8 1978 GMC C35 2008 2008 Freightliner Classic 9L V8 1978 GMC C35 305 5L V8 1980 GMC C2500 305 5L V8 1978 Buick LeSabre Base 305 5L V8 1978 Buick LeSabre Custom 305 5L V8 1976 Chevrolet Laguna 305 5L V8 1979 GMC C1500 Suburban 305 5L V8 1985 Chevrolet Caprice Classic 305 5L V8 1977 Buick Regal 305 5L V8 1979 GMC K1500 Suburban 305 5L V8 1978 Chevrolet C30 305 5L V8 1973 Chevrolet K20 Suburban 307 5L V8 1973 Chevrolet K30 Pickup 307 5L V8 1973 Chevrolet C30 Pickup 307 5L V8 1973 GMC Jimmy 307 5L V8 1973 GMC K15 K1500 Pickup 307 5L V8 1973 GMC K25 K2500 Pickup 307 5L V8 1973 GMC K35 K3500 Pickup 307 5L V8 1973 GMC P25 P2500 Van 307 5L V8 1973 GMC P35 P3500 Van 307 5L V8 1973 Chevrolet C10 Suburban 307 5L V8 1973 Chevrolet C20 Pickup 307 5L V8 1973 Chevrolet C20 Suburban 307 5L V8 1973 Chevrolet K10 Suburban 307 5L V8 1973 Chevrolet K20 Pickup 307 5L V8 1973 Chevrolet C10 Pickup 307 5L V8 1981 Pontiac Bonneville 307 5L V8 1981 Pontiac Catalina 307 5L V8 1973 GMC C25 C2500 Pickup 307 5L V8 1973 Chevrolet Blazer 307 5L V8 1973 GMC C35 C3500 Pickup 307 5L V8 1973 Chevrolet K10 Pickup 307 5L V8 1973 GMC C15 C1500 Pickup 307 5L V8 1982 Buick Riviera Limited Edition 307 5L V8 1983 Buick Riviera XX Anniversary Edition 307 5L V8 1968 Chevrolet Chevelle 327 5 2011 2018 Chevrolet Silverado 1500 376 CID Overall Height: 13 O Ring Seals at Cylinder Heads & Plenum Top