Optioning a 1966 Bel Air two-door sedan with the 425-horsepower L72 427 resulted in a factory-built sleeper. This big-block features four-bolt mains. solid-lifter camshaft. rectangle-port heads. an aluminum intake. a Holley carburetor and free-flowing iron exhaust manifolds. I have documented this car back to the early1970 to the third owner. All previous owner's verified when this car left their possession it left with this engine. In one collection for over 30 years. Car Build Date March 3rd 1966Block Casting Date B-1-6= Feb 1st 1966Block Build Date Feb 10 1966 The Partition Serial # Is Stamped On The Block As You Can See In The Photo. Re-stamping Of Blocks Are Well Known. his Is Not The Case Here!! Original Holley Carburetor 3246 Build Date 612=1966 Jan 2nd Week Original High Performance Exhaust Manifolds Date Code Jan-12-66. Original 12 Bolt 410 Rear-end Date Code Jan-10-66 And It Appears It's Never Been Out Of The Car. Very Rare Original Air-cleaner. L72 was a special order package. ery few people have ever heard of these cars. this package became very popular with the drag racer of the day. his may explain why there's very few original L72 car's left with their matching number block. ts a miracle this engine has survived in this car for 48 years! this L72 was ordered with a muncie close ratio 4-speed code 2Q and a 410 12 bolt rear end. factory tach unique only to the L72. F-41 special purpose suspension. seats. arpet. eadliner are new. paint is 20 plus years old looks great for the age. New sale origin believe to be the state of Iowa. UNMOLESTED SURVIVOR Thanks for Your time. Call 256-717-9131