Ultra Case Center Section HD 40 Spline Lightweight Steel Spool 10″ Pro Gear & Female Coupler

This Center Section May Not Fit Your Housing
Please refer to diagrams below

Includes:

N1912
3.812″ Bore Ultra Case
• 206-T4 heat treated aluminum case
• Billet aluminum main caps
• Solid steel adjuster nuts

Choice of Pinion Support

N1950AD
Aluminum Tapered Bearing Pinion Support For 10″ Gears *
• Drilled & tapped for 5/16″ & 3/8″ pick-up sensors
• Eliminates need for pinion support spacer
• Enhances rigidity

* Will not work with 9″ or 9 1/2″ gear sets

N1950A & N1950HK
Aluminum Tapered Bearing Support For 9″ / 9 1/2″ gears
• Drilled & tapped for 5/16″ & 3/8″ pick-up sensors
• Pinion support spacer installed for use with 10″ gears
• Provides ability to use 9″ or 9 1/2″ gears without support change

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

D2002
Heavy Duty 40 Spline Lightweight Steel Spool
• 2.250″ bearing journal for additional load capacity
• Lightened to eliminate unnecessary weight

Choice of 10″ 3.70-6.20 Pro gear

U3629
Female Coupler

• Professionally Assembled
• ARP ring gear bolts
• Shipped in protective container

Options

9″ Taper / ball support with 10″ spacer… OPRF26
Load bolt with steel tip…………………………… N1910H *

* Can’t be used with lightened gear

Lighten ring gear………………………… D3596
MicroBlue gear set……………………… D3598G
MicroBlue gear & bearings………… OPRF42

Pick-up collar
1 magnet………….. U1614
2 magnet………….. U1614-2
4 magnet………….. U1614-4
8 magnet………….. U1614-8