I am completing the rebuild of 1972 Duster 340 4 speed. The car now has an A-855 latest gen 5 speed in front of US Gear lightning rear gears. Many quality upgrades were added such as 11.75 discs with 2nd gen Viper calipers, 16.1 steering manual box, Bilstein shocks, QA1 upper arms and struts. No...