1973 Sport Roof same as Fast Back Ford changed name to Sport Roof in 1969. code indicates Cobra Jet engine which the car has. 51 . 030 over Cobra Jet engine built in 1999. Four bolt main (as indicated by Cobra Jet). barrel (as indicated by Cobra Jet). roller rockers. ete Jackson gear drive. Rare factory 4 speed top loader rebuilt in 2001 including new clutch . ressure plate & through out bearing. ine inch rear end. 28 spline. Auburn posi. 350 gears. also rebuilt in 2001. Power steering. ower disc brakes. cruise. taggered shocks. New rear quarters. ront fenders. aint & Mach 1 stripe kit in 1999. Vin indicates special order black which the car is painted accordingly with Mach one stripe kit added. Years since work has been done may not sound impressive but I have numerous Vintage Mustangs all of which are garaged and rarely driven the car has approx. 8000 miles since work was done and is in remarkable condition. Any questions please cal 217 520-3238 if you receive voice mail will answer Fuller Automotive this is correct please leave message I will return call promptly. I am a friend listing this please do not email questions I will be unable to answer call number only central standard time. Car was built and maintained by mechanic/garage owner. Shipping is 100% buyers responsibility I will do anythign I can to assist. Thanks for looking ! NO TRADES I AM NOT INTERESTED IN YOUR HARLEY. DISHWASHER NOTHING SORRY !!