HELLO ALL, IM NEW HERE AND I DON'T KNOW EXACTLY WERE I SHOULD POST OMETHING LIKE THIS TO MAKE SURE THE RIGHT PEOPLE SEE IT. I HAVE A DANA 44 THAT IS PERFECT FOR A T-100 SAS. I WILL CLEAN AND PAINT IT BLACK. IT HAS A 30 SPLINE AXLE. THE DANA 44 IS JUST UNDER 67 INCHES AND THE PERCHES MATCH UP WITHT HE FRAME OF THE TRUCK. YOU WOULD HAVE TO BUY YOUR OWN GEARS AND BRAKE SYSTEM AND LOCKER BUT YOU WILL HAVE A PRETTY CASE TO WORK IN. ALSO I AM LEAVING THE OLD GEARS IN THE HOUSEING. I GOT THE AXLE OFF A 1979 CHEVY K-10. IF YOU HAVE ANY QUESTIONS LET ME KNOW. THANKS