We are moving from a Top Dragster Nitrous Oxide package to a new ProCharger package and need to change to a 3.70/1 rear end gear for the new expected speed.
Wanted:
• 3.70/1 35-SPLINE RING AND PINION
OR
• COMPLETE FORD 9’ ALUMINUM 40-SPLINE CARRIER ASSEMBLY WITH 3.70/1 35-SPLINE RING AND PINION
What have you got?

Get a 9 1/2". Also, Strange Ultra case or MW thru-bolt.