Billet Aluminum Case Assembly HD 40 Spline Lightweight Steel Spool 35 Spline Pro Gear & Chrome Moly Yoke

In stock
Regular price $4,925.00
Part Number: PRF425

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

Check 9 1/2″ Gear Diagram If Selecting That Option


Strange 3.812″ Bore Billet Case
Machined from 7075-T73 aerospace aluminum

See Case Part Number For Full List Of Features

Billet Tapered Bearing Pinion Support

Heavy Duty 40 Spline Lightweight Steel Spool
Bearing journal increased to 2.250″ for additional load capacity

Choice of 9″ 3.40-4.86 35 Spline Pro gear
9 1/2″ gears are available as an option

For 10″ Pro Gear – See PRF425-10

U1604 & U1610HD
Chrome Moly 1350 Series Yoke with HD cap kit

Professionally Assembled
Timken® Bearings & Races
ARP Ring Gear Bolts