Well 1970-dart !! You saved my a$$ here sir :steering: This set of gears and pinion you sent me set up and back lash is smooth as a silk :thumbsup: Man on the hill is a happy man this morning :thankyou: The gears you posted fit and worked with the sure grip that @halifaxhops sent me to fit in my 8 1/4 :thankyou: This thread should be very helpful for members to look threw doing an 8 1/4 rear end wanting a sure grip