Rocker Arm Cover Screw Kit for Harley Knucklehead 1939-1947

Rocker Arm Cover Screw Kit
Replaces OEM number 179-39 / 3477
34-piece parkerized hex head screw kit. Exact reproduction for securing rocker arm covers on classic Knucklehead engines.
High-quality Colony Machine hardware. Essential for proper rocker box sealing and restoration.

Fits:

• EL / ELC 1939-1940
• FL / F / FS 1941-1947 Knucklehead Big Twins