Arlen Ness 18-257

• 10-Gauge® Rocker Box Top Covers
• CNC machined from forged billet aluminum
• Replaces OEM die-cast rocker box tops 
• Includes necessary gaskets and hardware
• Fitment: 99-17 Twin Cam engines
• Titanium anodize finish

FITMENT DISCLAIMER

Fitment information is provided as a general reference only and is not guaranteed for any motorcycle, whether stock or modified. Compatibility may vary by year, model, and individual configuration.

Customers are responsible for verifying fitment prior to purchase. House of Harley-Davidson assumes no liability for purchases made based on incorrect or unverified fitment information.

Please contact our Parts Department with any questions before ordering at 414-282-2211