Brand new never used MTS 472 500 inch Cadillac single plane aluminum intake manifold. Bought it in raw finish and had it professionally ceramic coated in polished silver. Here's what is listed on the MTS website about this: "Maximum Torque and Horsepower for your Caddy 472/500 CID Engine." "Single plane air gap intake manifold with enough air flow to support 6500 RPM, yet still streetable with great throttle response." "Direct Line-of-Sight flow path provides maximum flow with plenty of material for port matching." This part is available in powder coat or raw only for $595. I'm asking only $250 plus shipping from 44135. PM for more information, email [email protected] or text/call 440-263-4489 to discuss.