Looks like Weiand part # CR 1984. Early rare SAY WHY-AND2 x 4 Tunnel Ram Aluminum intake manifold ( as shown in pictures ). Fits small block Chevrolet 283, 302, 327, 350 & 400 V8 SBC engines. for dual Holley 4150/4160 or AFB type carbs.
MM VINTAGE NITROUS OXIDE CARBURETORS SPRAY BAR PLATE DUAL QUAD 2X4 TUNNEL RAM
???????? Throttle Linkage Lot Set Parts Tunnel Ram 2x4 Side Mount Rod Swivel Jegs
Say Why-And Weiand WCVSQ Intake Manifold Small Block Chevy Vintage Nostalgia ????
Say Why- And Vintage Weiand WCPSQ Intake Manifold Big Block Chevy Nostalgia Rare
VINTAGE WEIAND Say-Why-And 7505 Intake Manifold Big Block Chevy BBC