B&M TRANSMISSION SPEEDOMETER PORT PLUG - 20301 interior-body-parts All lines come Pre-Bent and

All lines come Pre-Bent and flared with the correct threaded fittings which reduces your install time tremendously

1969-1974 Ford Torino 302 CID

Easy Installation – Even After Hose or Wiring is Already Assembled & Installed

1978-1980 Oldsmobile Cutlass Supreme

Moderate to Aggressive Sound Exterior Exhaust Tone

B&M TRANSMISSION SPEEDOMETER PORT PLUG - 20301 interior-body-parts All lines come Pre-Bent andOverview: B&M Racing & Performance brings you this billet aluminum speedometer port block off plug that fits GM TH400 transmissions. This 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 hardware and instructions for a quick and easy