Application
Drag Racing
High horsepower vehicles
Additional Parts Required
Strange HD 40 spline spool
9″ or 9 1/2″ Pro gear set
28 spline yoke or coupler
Gasket
This Case May Not Fit Your Housing
Please refer to housing clearance diagram
Using 9 1/2″ Gear Set ?
Also check gear diagram
Package Includes
N1912
• Ultra Case 3.812″ bore
• 206-T4 aluminum
• Extra large oil channel
• Critical areas heavily reinforced
• Billet aluminum main caps
• Solid steel adjuster nuts
• Designed & machined by Strange
• Cast in the USA
N1950A
• 6061-T6511 billet aluminum tapered bearing support
• Tapped for 5/16″-24 sensor in two locations
• Clear anodized finish
Remaining Components
• Timken® front and rear pinion bearings & races
• One piece solid preload spacer – Machine to fit
• Rear bearing adapter collar
• Rear bearing shim
• Pinion depth shim kit
• Support bolts, washers, and o-ring
• Pinion seal & flanged locking nut
• Oversize tail bearing with retainer plate and screws
• Timken® side bearings and races
• ARP 7/16″ ring gear bolts
Related Components
HD 40 spline spool………………… D2002 / D2004
Load bolt…………………………………….. N1910H
Yoke / Coupler………………………. U1603 / U3627
Gasket………………………………….. H1111 / H1111S
Additional Packages
With ball bearing support….. P3812SB / P3812SBHD
For 35 Spline pinion……………………. P3812LT
