Aluminum Ultra Case Assembly HD 40 Spline Lightweight Steel Spool 10" Pro Gear & Chrome Moly Yoke

Part Number: PRF225-10 This Center Section May Not Fit Your HousingPlease refer to clearance diagrams Includes: N1912Strange 3.812″ Bore Ultra Case206-T4 heat treated aluminum caseBillet aluminum main capsSolid steel adjuster nuts Choice of Pinion Support N1950ADBillet Aluminum Tapered Bearing Pinion Support For 10″ GearsDrilled & tapped for computer pick-up sensors: (2) 5/16″-24 and (2) 3/8″-24*Eliminates need for support spacer kitWill not work with 9″ or 9 1/2″ gear sets N1950A & N1950HKBillet Aluminum Tapered Bearing Support For 9″ / 9 1/2″ gearsDrilled & tapped for computer pick-up sensors: (2) 5/16″-24 and (2) 3/8″-24*Spacer kit for 10″ gear setsAllows 9″ or 9 1/2″ gears to be used later without changing support * 3/8″ holes were added to N1950A & N1950AD supports manufactured 2021 and later D2002Heavy Duty 40 Spline Lightweight Steel SpoolBearing journal increased to 2.250″ for additional load capacity Choice of 10″ 3.70-6.20 Pro gear U1604 & U1610Chrome Mol