Description
We recommend flange yokes at the transfercase because the yoke sits inside the transfercase and a lot of times if a yoke fails it will split the transfercase. A companion flange will not do that. It is a stronger option than a yoke and provides a clean installation.
| Companion Flange - Splined Bore 1410 series, Ø1.326x30 spline, Ø2.125 hub diameter 4 Drilled Holes on 4.750BC, Ø3.750-F pilot |
We designed this 1410/1480 series companion flange to fit the 30 spline front output shaft common on GM NP203 and NP205 transfer cases in the 70s and 80s. These flanges use a larger hub diameter than the stock yokes and 3R CV flanges used originally, so a different seal will likely be needed. For cases with a 3.061' seal bore, use TIM-473468, NAT-473468, or CR-21211.
| U-Joint Series | 1410/1480/1550 | |
| Spline Major Diameter | D | 1.326 |
| Spline Count | 30.000 | |
| Spline Type | Involute Spline | |
| Pilot Bore Diameter | C | 3.750-F |
| Bolt Circle Diameter | B | 4.750 |
| Bolt Circle Hole Diameter (D = Drilled, T = Tapped) |
.506 D | |
| Number of Holes | 4.000 | |
| Brake Pilot Diameter | 0.000 | |
| Ground Hub Diameter | E | 2.125 |
| Length Thru Bore | F | 2.000 |
| Flange Face to End of Hub | G | 2.500 |
| Bare Flange Part Number (if assembly) | ||
| Slinger Part Number (if assembly) | Can use ROK-DEFR34-1 (not included) | |
| Notes |
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