Hex headed mixture screw for your Holley and all the 3 bolt .. Has the std GM linkage with provision for kick down or throttle valve cable on the.
4- Deuce "Man-A-Fre" & Offy Linkage Kit - American Graffitti lengths are carburetor make and model specific - Sets of 3 each @ - Sets of 4 each @ Small Base Rochester 2G Specific Throttle Return and Cable Bracket comes.
Use a progressive linkage. Set up this way the outer carbs open at 1/2 to 3 /4 throttle (depending on how you adjust the linkage). There is no. Harley Davidson Throttle Cable Adjustment