1972 Dodge Charger Base Hardtop 2-Door 7.2L

I have a 440 that's built. eagle rods. eith black domed pistons and rings. i have a purple cam shaft with solid lifters and roller rockers. 15 closed chamber heads. versized values and dual springs. ust had a new head job and new value guides. i come with a 4 barrel carb. ooker competitionheaders with 3 in exhaust. sd ignition. 3 core alum radiator. lectic fan for cooling radiator. rame is tied in. utomatic trans with reverse value body. &m shifter. i have power seats. indows. teering and brakes. back windows do not go down and speedometer does not work. mileage is not correct.