Description
Derby covers demand precision sealing to prevent oil leakage and maintain engine integrity during high-RPM operation. This JAMES GASKET nylon washer provides the exact fitment and material consistency needed for reliable derby cover assembly, whether you’re rebuilding a stock engine or fine-tuning a performance build. OEM-quality construction ensures durability across repeated assembly and disassembly cycles.
- Manufacturer: JAMES GASKET
- Part Number: JGI-31433-84
- Material: Nylon washer
- Fitment: Harley-Davidson specific
- Origin: Made in USA
- Application: Derby cover seal
- Installation: Bolt-on
- Function: Oil leak prevention









