M8 x 22.2mm. Genuine Fox Shock Mounting Hardware Kit. This is the latest 2025 specification from Fox. This fits all Fox shocks regardless on model or year.
Fox Shock Bush Mounting Hardware Low Friction M8 x 20mm 803-03-326
Fox Shock Bush Mounting Hardware Low Friction M8 x 30mm 803-03-291 2024 Version
Fox Shock Bush Mounting Hardware Low Friction M8 x 25 803-03-328 2025 Version
Fox Shock Bush Mounting Hardware Low Friction M8 x 40mm 803-03-325
Fox Shock Bush Mounting Hardware Low Friction M6 x 20mm 803-03-327
Fox Shock Bush Mounting Hardware Low Friction 8 x 21.84mm 803-03-165 803-03-279