I have a Factory C7ZX-9425-A Dual-Quad manifold, and the original Holley 2804/2805 BK/BJ carbs (date coded 10/'67), linkage and fuel rail for sale. It is currently on my '68 GT500 KR. They work great, but are not correct for my car. I am asking $2,900 (pretty firm). Contact me for info and pictures. Mike Anderson. Scottsdale, Az