This car was built in July 1965 and the body is from the St. Louis plant. Of the 23,562 Corvette's built in 1965, this is the 20,636th one off the line. Production that year ran into August so this one is a later car.
American Racing Wheels with BF Goodrich Radial T/A tires, Side Exhaust, Air Conditioning, 4-Speed Manual Transmission, 3.36:1 axle ratio, Power Steering, AM/FM Stereo, Reverse Lights, Black Stayfast Soft Top, Headers, Edelbrock Aluminum Intake Manifold, Holley Carb, MSD Ignition
Block Casting Number: 3782870 - Which is correct for a 1965 Corvette and is 327cu.in.
Block Casting Date: F95 - F= June, 9= 9th day of the month, 5= 1965 year
Engine Suffix Pad: 5120636 F0615HE - 5= 1965 year, 120636 matches the last six numbers of your VIN (does not guarantee this is the original born in engine). F= Flint Engine Assembly Plant, 0615= June 15th assembly date, HE= 327/250hp engine with manual transmission.
K23= July 23rd build date
65= 1965 year
467= Convertible body style
S6761= Unique body number
420BA= Saddle vinyl interior
900GG= Glen Green exterior color. St. Louis produced bodies had the 900 prefix.
AK= 3.36:1 standard ratio
Muncie 4-Speed from a 1966 model year vehicle