Rick's Motorcycles | Derby Cover 'Porthole' Polished 6.4"

This derby cover, also known as a clutch cover or primary cover, is a 6.4" diameter, 5-hole design CNC machined from billet aluminum and finished in polished aluminum. A factory-installed translucent Makrolon polycarbonate "porthole" window is set into the cover, revealing the working clutch underneath. The polycarbonate panel offers glass-like clarity, high impact resistance and a temperature tolerance of up to 120°C.

Key Features

• 6.4" diameter derby cover
• 5-hole bolt pattern
• CNC machined from billet aluminum
• Polished finish
• Factory-installed translucent Makrolon polycarbonate "porthole" window
• Glass-like clarity through the porthole window
• High impact resistance
• Heat resistance up to 120°C

Specifications

• Material: CNC machined billet aluminum
• Finish: Polished
• Diameter: 6.4"
• Bolt pattern: 5-hole
• Window material: Makrolon polycarbonate
• Maximum window temperature resistance: 120°C

Usage & Care Tips

• A new derby cover gasket is not included but is recommended by Rick's Motorcycles for installation

Fitment

• HD: 2019-2026 Softail
• HD: 2018 Softail FLSB Sport Glide
• HD: Other 2018 Softail models custom equipped with a narrow profile outer primary cover