{"product_id":"transmission-speedo-port-plug-gm-th400","title":"Fits GM and B.O.P. TH400 Transmissions","description":"B\u0026amp;M Racing \u0026amp; Performance brings you this billet aluminum speedometer port block-off plug that fits GM and B.O.P. 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 installation.","brand":"B\u0026M","offers":[{"title":"Default Title","offer_id":48947159695600,"sku":"BBFT_20301","price":48.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/8278\/3728\/files\/BMM20301.jpg?v=1772772864","url":"https:\/\/www.leftcoastmotorsports.com\/products\/transmission-speedo-port-plug-gm-th400","provider":"Left Coast Motorsports","version":"1.0","type":"link"}