Throttle Tension Screw Kit Large Plastic Knob for Harley-Davidson

Includes retaining ring with E-clip and tension spring.
Knob outer diameter: 23 mm (0.9").
OEM replacement part number 56397-74C.
Note: See 956396 for friction pad only.

Fits: Big Twin > 74-17; Sportster XL 79-22. With single or dual throttle cable (except XG Street)