PORC Off Road Products
HD Front Dana 30 Pinion Yoke Kit | 1310 U-Bolt | Fit's: CJ YJ TJ XJ MJ ZJ
HD Front Dana 30 Pinion Yoke Kit | 1310 U-Bolt | Fit's: CJ YJ TJ XJ MJ ZJ
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PORC HD Front Dana 30 1310 U-Bolt Conversion Kit
Heavy-Duty 1310 U-Bolt Yoke Upgrade with Front Pinion Seal, Pinion Nut & U-Bolt Hardware
Product Overview
Upgrade a compatible Jeep Dana 30 front axle from conventional strap-and-bolt U-joint retention to a heavy-duty 1310 Series U-bolt-style pinion yoke setup with this PORC conversion kit. Built around the J0935685 26-spline pinion yoke, this package is aimed at Jeep owners building, upgrading, or servicing modified Dana 30 front axle assemblies.
The U-bolt configuration provides a straightforward alternative to the standard strap-style connection and is well suited to off-road builds, axle swaps, drivetrain upgrades, and other modified Jeep applications where a compatible 1310 Series U-bolt pinion yoke is desired.
The included yoke accepts a 1310 Series U-joint measuring approximately 3.219" wide with 1.062" bearing caps. The kit also includes the matching front pinion seal, pinion nut, and U-bolt retaining hardware.
Common Crown/OE, Omix, Dana-Spicer, and Yukon reference numbers are listed below to make component identification and application verification easier.
Aftermarket & Modified Jeep Applications
Designed as a heavy-duty 1310 Series U-bolt yoke upgrade for compatible Jeep CJ, YJ, TJ, XJ, MJ, and ZJ models equipped with a Dana 30 front axle. This kit is especially useful for modified Jeeps, axle builds, off-road projects, and conversions where the existing Dana 30 uses the required 26-spline pinion and compatible seal/yoke dimensions.
Original / Direct Yoke Applications:
- 1972-1980 Jeep CJ5 with Dana 30 front axle
- 1972-1975 Jeep CJ6 with Dana 30 front axle
- 1976-1980 Jeep CJ7 with Dana 30 front axle
Axle Application: Dana 30 front axle
Yoke Configuration: 26-spline, 1310 Series, U-bolt style
U-Joint Width: Approximately 3.219"
Bearing Cap Diameter: Approximately 1.062"
Component Part Number Cross-Reference
HD 1310 U-Bolt Pinion Yoke
Crown / OE: J0935685
Omix: 16580.02
Dana-Spicer: 2-4-8091X
Front Pinion Seal
Crown / OE: J0998092
Omix: 16521.01
Dana-Spicer: 44895
Yukon: YMS5778
Pinion Nut
Crown / OE: J0801367
Omix: 16584.01
Dana-Spicer: 30185
Yukon: YSPPN-009
1310 U-Bolt Hardware Kit
Crown / OE: A490K
Omix: 16582.01
Dana-Spicer: 2-94-28X
Yukon: YY UB-002
Kit Highlights
- Heavy-duty 1310 Series U-bolt pinion yoke upgrade for compatible Jeep Dana 30 front axles
- Ideal for modified CJ, YJ, TJ, XJ, MJ, and ZJ builds using the required 26-spline Dana 30 pinion configuration
- Converts compatible strap-style U-joint retention setups to a U-bolt-style yoke connection
- Includes 26-spline 1310 Series U-bolt yoke, front pinion seal, pinion nut, and U-bolt retaining hardware
- Pinion yoke references J0935685, 16580.02, and 2-4-8091X
- Front pinion seal references J0998092, 16521.01, 44895, and YMS5778
- Pinion nut references J0801367, 16584.01, 30185, and YSPPN-009
- U-bolt hardware references A490K, 16582.01, 2-94-28X, and YY UB-002
What's Included
- HD 1310 Series U-bolt pinion yoke (J0935685 / 16580.02 / 2-4-8091X)
- Front pinion seal (J0998092 / 16521.01 / 44895 / YMS5778)
- Pinion nut (J0801367 / 16584.01 / 30185 / YSPPN-009)
- 1310 U-bolt hardware kit (A490K / 16582.01 / 2-94-28X / YY UB-002)
Built for Upgrades & Modified Jeeps
This kit is not limited to factory-restoration use. It is designed to support compatible Dana 30 front axle upgrades, off-road builds, axle swaps, and modified Jeep projects where a 1310 Series U-bolt pinion yoke is the desired configuration.
Heavy-Duty U-Bolt Configuration
This kit uses a U-bolt-style pinion yoke rather than the standard strap-and-bolt configuration. Two U-bolts secure the compatible 1310 Series U-joint directly to the yoke.
U-Joint Not Included
This listing does not include the U-joint. The included yoke is configured for a compatible 1310 Series U-joint measuring approximately 3.219" wide with 1.062" bearing caps.
Important Fitment Note
Because this kit is commonly used in modified and conversion applications, vehicle model alone should not be used to determine fitment. Verify the Dana 30 front axle, 26-spline pinion configuration, seal dimensions, yoke dimensions, and 1310 Series U-joint size before ordering.
OE / Replacement / Interchange Numbers
HD Pinion Yoke: J0935685, 16580.02, 2-4-8091X
Front Pinion Seal: J0998092, 16521.01, 44895, YMS5778
Pinion Nut: J0801367, 16584.01, 30185, YSPPN-009
1310 U-Bolt Hardware Kit: A490K, 16582.01, 2-94-28X, YY UB-002
Please verify Jeep model, front axle type, pinion spline count, seal dimensions, yoke configuration, U-joint dimensions, and reference numbers before purchase.
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