HD Pro Aluminum Case Assembly Aluminum Support with Differential Standard Gear & 1350 Series Yoke

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

HD Pro Case
3.062″ bore – 28 or 31 spline
3.250″ bore – 35 spline
• 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

N2322
• Forged aluminum tapered bearing pinion support
• Pinion seal retaining plate and snap ring
• Races installed
• Support bolts, washers, and O-ring

Clutch Style Differential
28 or 31 spline – N1974 / N1970F

Standard Gear Set
3.00-6.50 ratio

HD Yoke & U-bolts – U2203 / U1610
Designed for 1350 series U-joint

• Professionally Assembled
• Timken® Bearings & Races
• Grade 8 Ring Gear Bolts
• Ships in protective shipping container & HD cardboard box

Options
28 or 31 spline Eaton Truetrack – OPRF09
28 or 31 spline Eaton Detroit Locker – OPRF17
35 spline Strange Forged S-Trac – OPRF10
35 spline Eaton Cast Truetrack – OPRF11

Chrome moly yoke – OPRF07
HD yoke cap kit – OPRF37