- Transmission & Drivetrain
- Automatic Transmission Components
- B&M Transmission Speedometer Port Plug
Billet Aluminum Speedometer Plugs
When upgrading to an electronic speedometer, B&M billet aluminum Transmission Speedometer Port Plugs prevent contaminants from entering your transmission by blocking the mechanical speedometer gear port. These durable block-off port plugs are available to fit various transmission styles.
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