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

In stock
Regular price $2,220.00
Part Number: PRF225

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 Ultra Case
206-T4 heat treated aluminum case
Billet aluminum main caps
Solid steel adjuster nuts

Billet Aluminum Tapered Bearing Pinion Support
Drilled & tapped for computer pick-up sensors: (2) 5/16″-24 and (2) 3/8″-24*

* 3/8″ holes were added to supports manufactured 2021 and later

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 PRF225-10

U1604 & U1610
Chrome Moly 1350 Series Yoke with U-bolts

Professionally Assembled
Timken® Bearings & Races
ARP Ring Gear Bolts