You are bidding on a 1971 Ford Mustang, Torino & Mercury Cougar Holley carburetor for 429 SCJ engine with automatic transmission. Carb stamped D1ZF-9510-XA. List 6128. Dated 085 or 5th week August 1970. Front metering block # 6382, rear 5671. Freshly rebuilt. Rare find. If you have any questions please call Kurt.