The Tillotson Throttle Shaft Clip Screw holds the throttle shaft clip on the carburetor body preventing the throttle shaft from sliding side to side.

This particular screw is for the clip that has a larger hole. Be sure to match up the correct throttle shaft clip and screw for your carburetor.

15C-18 OE Tillotson Throttle Shaft Clip Screw (Big) Fits carburetors HL-129E, HL-132H, HL-166B, HL-166C, HL-229A, HL-324A, HL-339A, HL-352A, HL-366A, HL-371A, HL-382A .