B&M
TRANSMISSION SPEEDO PORT PLUG
SKU: B00M 20298
Description
Part #: 20298
B&M Racing & Performance brings you this billet aluminum speedometer port block-off plug that fits all Tremec TKX, 3550, T-5, TKO 5-speeds, Magnum 6-speeds, Borg Warner T-45 manual transmissions and Ford C4, C6 AOD, 4R70W & 4R75W automatic transmissions. The plug is used to block the mechanical speedometer gear port when upgrading to an electronic speedometer and includes a replaceable Buna-N rubber o-ring. It features a black Mil-Spec anodized finish for long-lasting good looks, even in harsh conditions. Comes with installation instructions for an easy and quick installation.
Features:
- Fits many Tremec, Borg Warner and Ford Transmissions
- Billet Aluminum Construction With Engraved B&M Logo
- Protects Your Transmission From Contaminants during use or storage
- Replaceable O-ring Seal for leak prevention and simple maintenance
- Perfect for Electronic Speedometer Conversions
- Mil-Spec Black Anodized Finish for long-lasting good looks
- Includes stainless steel hardware for superior corrosion resistance
Fits Tremec TKX, 3550, T-5, TKO 5-speeds, Magnum 6-speeds, Borg Warner T-45 manual transmissions and Ford C4, C6 AOD, 4R70W & 4R75W auto transmissions.
Fitment
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Specifications
| Brand | B&M |
| Part Number | B00M 20298 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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