Application
Differential – 28 or 31 spline
Strange spool – 28, 31 or 33 spline
Wavetrac® Differentials & ARB Air Lockers®
These differentials will not fit inside the HD Pro case
Additional Parts Required
• Differential or spool
• 9″ gear set
• Yoke or coupler
• Completion kit
• Gasket
This Case May Not Fit Your Housing
Please refer to housing clearance diagram
HD Pro Case – 3.062″ Bore
• Manufactured from 206-T4 heat treated aluminum
• 12% higher yield and 32% higher tensile strength compared to 356-T6
• Large oil channel provides optimal lubrication to pinion bearings
• Heavily reinforced tail bearing area
• Chrome moly studs encapsulated by billet aluminum main caps
• Solid adjuster nuts
• Accepts over-sized tail bearing for heavy loads and high RPM
• Designed for 9″ or 9 1/2″ gear sets
N2322
• Forged aluminum tapered bearing pinion support
• Pinion seal retaining plate and snap ring
• Races installed
• Support bolts, washers, and O-ring
Includes
• High capacity wide tail bearing
• Retainer plate and screws
• Pinion depth shim kit
Related
28 spline spool – D1515
31 spline spool – D1553
33 spline spool – D1554
28 spline differential – N1981
31 spline differential – N1979
28 spline yoke – U2203HDA / U1603 / U1603B
35 spline yoke – U1604 / U1604B
28 spline coupler- U3627
35 spline coupler- U3629
Completion kit for 28 spline pinion – R3200ST
Completion kit for 35 spline pinion – R3200LT
Fel Pro gasket- H1112G
LubeLocker gasket – H1111S
Other Case Kits
3.250″ bore – P3203
3.812″ bore – P3207
3.062″ bore with taper/ball support – P3200BB
