B&M TRANSMISSION SPEEDOMETER PORT PLUG - 20301 interior-body-parts 3 V6 1989 - 1993

3 V6 1989 - 1993 Oldsmobile Cutlass Cruiser 204/3

3 V6 1996 - 2001 Chevrolet S10 262/4

Part Number: 17273

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B&M TRANSMISSION SPEEDOMETER PORT PLUG - 20301 interior-body-parts 3 V6 1989 - 1993Overview: 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