Here you go

D = 1968 Model Year

440 = Cubic inches

10 9 = October 9th, 1967 Engine Assembly Date

2 = Second engine assembled that shift

9*26*67 = Engine Block Cast September 26th, 1967

PT = Trenton Plant

440 = Cubic Inches

P = Premium Fuel reccomended

2255 = Engine Short Block Assembled September 30th, 1967

0878 = Eight Hundred Seventy Eighth Engine Assembled

Transmission stamped number @ top of bellhousing matches car VIN As it should The engine should have the same number stamped on the top rear of the block adjacent to the oil sender on the lip of the pass side bell housing mating surface.