rts speedo port plug, ford c4 c6 c10, toploader/single rail/tremec 3350, t5, tko 5-speed, magnum 6-speed, borg warner t45 manual, each

This plug is used to block the mechanical speedometer gear port when upgrading to an electronic speedometer and includes a replaceable Viton rubber o-ring. It features a black billet aluminium anodized finish for long lasting good looks, even in harsh conditions.