just a tip.....the back mechanical return rod is VERY close to the intake and if installed backwards, it can just barely hang up against the intake when you are at wide-open-throttle & make the carburetors stick wide open (ask me how I know)

70 Roadrunner convt. street car 440+6, NOS, 4-spd, SS springs '96 Mustang GT convt. street car '04 4.6 SOHC, NOS, auto, lowered "Officer, that button is for short on-ramps"