Twist throttle on edlebrock carb

[enduro400rider]

has any one put a twist throttle kit on there edlebrock carb i know that when you buy them you can buy them in two versions twist or thumb i just don t know if it needs a special kit to do a twist any help would be great

[Natertot426ex]

If you contact them at edelbrock.com they will let you know what the parts will cost.