3/8-24 AN Castle Nut for K3 King Pin Security

Secure every turn with the 3/8-24 AN castle nut, a vital fastener for K3 king pin assemblies. Its slotted design accepts cotter pins, providing double-locking assurance against the vibrations of full-throttle racing.

This nut's importance can't be overstated: it keeps the king pin firmly in place, maintaining wheel geometry for predictable handling. Loose fasteners lead to play and crashes—this one eliminates that risk, letting you attack corners with full commitment.

• AN-spec quality for aerospace-level reliability.
• Corrosion-resistant plating for longevity.
• Standard 3/8-inch threading fits OEM setups perfectly.

In your toolkit, it organizes easily as a go-to for routine checks (SKU: 38CN). Racers rely on it to sustain speed through consistent steering feedback, turning potential pitfalls into smooth sailing.

Simple yet effective, it's the detail that wins races.