Screw-In RB Funnel – Free Digital STL File

This is a free digital download for a Screw-In RB Funnel, designed for RB-series engines. Perfect for those who want to 3D print their own funnel for easier and cleaner oil refills.

Important Notes:

⚠ This is a digital product – No physical item will be shipped.
⚠ For personal use only – Redistribution, resale, or modification of the file without explicit permission is prohibited.