3.91 gears with Posi 742 housing
8.75 housing 742 case. Brand new DoctorDiff Sure-Grip Posi unit with new Richmond Gears 3.91 gear set. All put together with new bearings, seal and a new pinion nut/washer. .007" backlash and proper pinion preload. Also has a brand new adjustable pinion snubber.
$1000
Frederick, MD area
Would prefer local pickup. Shipping could be done but would cost a lot to buyer.
Could also trade for 340 valvetrain. Looking for streetable roller cam stuff.
8.75 housing 742 case. Brand new DoctorDiff Sure-Grip Posi unit with new Richmond Gears 3.91 gear set. All put together with new bearings, seal and a new pinion nut/washer. .007" backlash and proper pinion preload. Also has a brand new adjustable pinion snubber.
$1000
Frederick, MD area
Would prefer local pickup. Shipping could be done but would cost a lot to buyer.
Could also trade for 340 valvetrain. Looking for streetable roller cam stuff.