Aluminum Ultra Case Assembly

3.812″ Ultra Case assembly / HD 40 spline spool / 28 spline Pro gear / female coupler

 
This Center Section May Not Fit Your Housing
Please refer to housing clearance diagram

Ultra Case – 3.812″ Bore
• 206-T4 heat treated aluminum
• Billet aluminum main caps
• Solid steel adjuster nuts

Tapered Bearing Pinion Support – N1950A
• Billet aluminum
• Drilled & tapped for computer pick-up sensors
• (2) 5/16″-24 and (2) 3/8″-24
• Clear anodized for corrosion resistance

Heavy Duty 40 Spline Lightweight Steel Spool – D2002
• Machined from forged steel
• Bearing journal increased to 2.250″
• Provides additional load capacity
• Broached 40 spline with 45° pressure angle

Choice of 28 Spline Pro Gear

Female Coupler – U3627
• Chrome moly

Professionally Assembled
• Timken® bearings & races
• Grade 8 ring gear bolts

Options
Aluminum 40 spline spool – OPRF29
Tapered / Ball bearing pinion support – OPRF26
Lightened case with ball support – OPRF25
Lighten ring gear – D3596
Load bolt – N1910H
(Can’t be used with lightened gear)

Pick-up collar
1 magnet – U1613
2 magnet – U1613-2
4 magnet – U1613-4
8 magnet – U1613-8

Lightened case sensor bracket – N1952U