This is a brand new re-manufactured carburetor for 66 Corvette 427/390hp 4 speed trans. Made exactly like original, ready to run with correct slotted screws. NO DATE STAMP. DATE STAMPING IS AVAILABLE TO MATCH YOUR CAR FOR $145. PLEASE CALL FOR MORE INFO. REFER TO PHOTOS FOR SAMPLE OF STAMPING SERVICE. Stamps are structured with three digits. the first designating year, second designating month, third designating week. Month has one digit so for Oct they used a 0, Nov used A, and Dec used B.