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3 Spd. Transmission (J30) Output Shaft(Early - 8/73' FJ40/55)10 Spline3 Spd. Transfer Case Input Gear(Early - 8/73' FJ40/55)29 Teeth4 Spd. T

58'-9/66': F135 Engine (3.9 liter) 1bbl cast iron intake standard, 2bbl optional. 4 bolt attachment to exhaust manifold.9/66'-9/69': F145 En

Front Output Shaft:Spline:E - 1/78' - 10 Spline "Course"1/78' - 7/80' - 27 Spline "Fine"7/80' - 1/90' - Speedi-Sleeves:E - 7/80' One-P

All E-87': Have mechanical advance. Actual advance curves vary from year to year.E-68': Extra small distributor body, vacuum advance (correc

Gear Oil Coming From Solenoid:3 Basic Causes:1. Clogged axle breather vent:The ARB Air Locker system naturally vents off slight amounts of p

Background:The ARB Air Locker system in its stock configuration does not allow use of the front differential locker unless the rear differen