Ford 9″ – Ultra & Billet Case Installation Kit Using Tapered Bearing Support & 35 Spline Pro Gear

Description Kit Includes: Front and rear pinion bearings – N1936 / N2001F Side bearings and races – D1590 or D1592 Tail bearing – N1943 Pinion seal – N1961 Pinion support o-ring – N1950B Flanged pinion nut – N1922B Solid machinable pinion preload spacer – N1924A or N1921B Pinion depth shim kit – N1962UC ARP ring gear bolts – N1975 & N1976, D2004B & N1950K, or N1973 Note: Billet Cases Do Not Use Ring Gear Bolt Washers Information Required: Case Type Ultra Case / Billet Case Bore Size – Ultra Case Only 3.250″ / 3.812″ Note: For 4.00″ bore Ultra Case – Please call For Strange Spool Steel or Aluminum For Other Spools The ring gear bolts supplied are designed for a flange thickness of .375″ to .447″ If your spool exceeds .447″, the ring gear bolts may be be too short Specify if using an aluminum spool