Big Horn 14103 Router Sub Base for OEM# 42186

The Big Horn 14103 Router Sub Base is a durable, precision-machined replacement for the Porter-Cable 42186 sub-base, designed to restore smooth, accurate routing performance. Constructed from tough, heat-resistant phenolic material, it provides a stable, low-friction surface that reduces drag and enhances control during cuts. Its 5-3/4-inch diameter and standard 1-1/8-inch center hole make it compatible with common template guides, allowing users to perform detailed routing tasks with confidence. This sub-base is engineered to fit all Porter-Cable 890-series router bases, offering a reliable replacement option for both professionals and hobby woodworkers. Ideal for template routing, edge-forming, and general woodworking, it helps extend the life of your router while improving precision and usability.