1 Harley Davidson Custom Throttle Tension Screw Kit. Small Knob. 74-17 BT; 79-21 XL BC17654

Custom throttle tension screw kit. Small knob

Metal. Tension spring included. Allows you to adjust tension on the throttle sleeve for the old-time 'cruise control'. 
OEM replacement reference 56397-74C (OEM style knob), 56402-83A (OEM knob & spring kit), 56394-74 (spring only)

Fits 74-17 Big Twin; 79-21 XL Sportster. With single or dual throttle cable (excl. XG Street) (NU)