it is the pin that holds in the alloy speedo drive carrier and pinion in the trans, it will be intersting as & when it drops out and the plastic pinion falls inside the trans!! causes a bit of a hole there...blows out a fair bit of lube too...oh joy
-'96 SE MTX 3L
-'98 SVT 1,173 of 6,535
-'05 Mazda 6s, loaded, g/f's ride
-Need a 96-00 manual on CD? PM or email me