Timer screw and advance stud kit - 70-99 Big Twin models (excl. Twin Cam) and 71-03 Sportster. With mechanical advanced ignition. (NU) 566138 All grips come with throttle

All grips come with throttle sleeve installed and include grip glue and simple to follow instructions

Designed to protect oil pump and cam support plate from cam chain tensioner or any other debris

The cup is made from aluminum then milled for a solid construction

A special K&N powder coated aluminum backplate

No more cold rides with the super comfortable Acryllic Watch Hats from Carhartt

Timer screw and advance stud kit - 70-99 Big Twin models (excl. Twin Cam) and 71-03 Sportster. With mechanical advanced ignition. (NU) 566138 All grips come with throttleComplete installation hardware to install a points sttyle ignition. Includes advance unit mount screw 3570, points plate studs (timer stud screws) 32608 70, ignition cover screws, terminal dapter 32670 70 and washers.