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″ &…