B&M 20300 Transmission Speedometer Port Plug Billet Aluminum

The B&M 20300 Transmission Speedometer Port Plug is the ideal solution for sealing unused speedometer ports when converting to electronic speedometer systems. This precision-engineered plug protects your transmission from dirt, debris, and contaminants during operation or storage.

Key Features:

• Billet aluminum construction with engraved B&M logo for durability and style
• Mil-Spec black anodized finish provides long-lasting corrosion resistance and professional appearance
• Replaceable O-ring seal ensures leak-free performance and easy maintenance
• Includes stainless steel mounting hardware for superior corrosion resistance
• Perfect for electronic speedometer conversions that eliminate mechanical speedometer cables

This high-quality plug is designed to keep transmission fluid where it belongs while maintaining a clean, finished appearance in your transmission installation.