B&M TRANSMISSION SPEEDOMETER PORT PLUG - 20298 hose-clamps 2 L6 1966 Chevrolet Chevelle

2 L6 1966 Chevrolet Chevelle Base 230/3

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7L V8 1976 Chevrolet G20 Sportvan 350/5

7L V8 1997 - 2000 GMC C3500 350/5

B&M TRANSMISSION SPEEDOMETER PORT PLUG - 20298 hose-clamps 2 L6 1966 Chevrolet ChevelleOverview: B&M Racing & Performance brings you this billet aluminum speedometer port block off plug that fits all Tremec 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