Advance Adapters 1350 Yoke Drive Shaft Angle Reduction (Slip Yoke Eliminator) Kit for NP231 Transfer Case

Reduce driveline vibration on lifted vehicles with this Heavy Duty Slip-Yoke Eliminator Kit for Jeep's NP231J transfer case. Transfer case tail shaft length is reduced by 6.5" on '97-'01 Wranglers and 4.25" on '88-'95 models resulting in improved drive line angles. Kit includes a redesigned transfer case main shaft which is not only shorter but has an 18% larger spline diameter, a 54% increase in torque capacity. Now with the larger and stronger 1350 Universal Joint Yoke. ***Requires a longer driveshaft, which is available separately Only works with NP231 transfer case. Learn More (vacuum actuated) Installation Notes Installation Difficulty: Level 3 Advanced Mechanics Tools Snap Ring Pliers Installation Time: 3-5 hours Installation Instructions Parts Included Output Shaft Speedometer Ring Snap Rings 1350 Output Yoke with Nut Front and Rear Output Seals New Rear Output Case Specs Transfer Case Model: NP231 Shipping Weight: 25 Fitment Fitment Fits NP23