Lightweight Aluminum Case Assembly
Aluminum Support & Lightweight Steel Spool
With 28 Spline Pro Gear & Chrome Moly Yoke

 
Designed Specifically For Drag Racing
Spools are unsafe for street use
Pro Gears will wear out quickly in other applications

Lightweight Aluminum Case – N1901 / N1904
• High tensile strength aluminum alloy case
• Forged aluminum main caps
• Solid steel adjuster nuts
• 3.062″ bore – For 31 or 33 spline
• 3.250″ bore – For 35 or 40 spline

Billet Aluminum Support – N1922
Over sized bearings and races

Lightweight Steel Spool – D1553 / D1554 / D1555
31 / 33 / 35 spline

Gear Choice
Available 28 spline Pro Gear ratios

Chrome Moly Pinion Yoke / U-Bolt Kit – U1603 / U1610
Accepts 1350 series u-joint

Professionally Assembled
Timken® Bearings & Races
Grade 8 Ring Gear Bolts

Options
35 spline Pro gear – OPRF05
40 Spline steel spool – OPRF01
Ball bearing pinion support – OPRF03
HD yoke cap kit – OPRF37
Lighten ring gear – D3596
1 magnet 28 spline pick-up collar – U1613
2 magnet 28 spline pick-up collar – U1613-2
4 magnet 28 spline pick-up collar – U1613-4
8 magnet 28 spline pick-up collar – U1613-8
1 magnet 35 spline pick-up collar – U1614
2 magnet 35 spline pick-up collar – U1614-2
4 magnet 35 spline pick-up collar – U1614-4
8 magnet 35 spline pick-up collar – U1614-8
Pick-up sensor bracket – N1927S
Fel Pro gasket – H1112G
LubeLocker gasket – H1111S