RockCrawler.com Longfield™ Gun-Drilled Nissan Patrol Birfield Kits

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The Longfield™ Gun Drilled 30-Spline Birfields are made out of 100% chromoly and are precision polished to remove any imperfections that may cause stress risers. The internals of the birfield are also made from 4340 chromoly and are dual heat treated for superior strength. The birfield has a M8 grease zerk at the end of the stub shaft and is gun drilled through the center of the birfield to allow for grease to pass through the zerk fitting and into the internals. This will save you precious time by eliminating the need to disassemble your axle just to service your birfields.

The Gun Drilled 30-Spline Birfields also have a shallow relief near the splines on the stub shaft known as a Machined Spline Saver. The Machined Spline Saver eliminates stress concentrations caused by grooving from the tool that makes the splines on the stub shaft. The stress concentration from the spline groove is a common failure point on birfield stub shafts.

The axle shafts are also made out of 4340 chromoly steel. The Birfield side of the axle shafts are 30-spline and the diff side is 31-spline.

Note: Some minor clearancing of the knuckle ball may be required.

Application Data (300795-KIT)

 Nissan Patrol GR (Y60) 1987-1997 (All Engines)

 Nissan Patrol GQ 1987-1997 (All Engines)

 Nissan Patrol Safari 1987-1997 (All Engines)

 Nissan Safari 1987-1997 (All Engines)

 Ford Maverick 1988-1994 (All Engines)

Application Data (300809-KIT)

 Nissan Patrol GR (Y61) 1997-2013 (All Engines)

 Nissan Patrol GU 1997-2013 (All Engines)

 Nissan Patrol Y61 1997-2013 (All Engines)

 Nissan Safari 1997-2004 (All Engines)

 Nissan Patrol Super Safari 1997-2013 (All Engines)

 Nissan Seranza 1997-2013 (All Engines)

Available Options

 Longfield™ Gun-Drilled Nissan Patrol Y60 Birfield Kit, 300795-KIT, $681.45

 Longfield™ Gun-Drilled Nissan Patrol Y61 Birfield Kit, 300809-KIT, $681.45

 Longfield™ Gun-Drilled Nissan Patrol Y60 Birfield, 300793-KIT, $229.95

 Longfield™ Gun-Drilled Nissan Patrol Y61 Birfield, 300807-KIT, $229.95

 Longfield™ Nissan Patrol Y60 Inner Axle Shaft, Short, 300972-KIT, $114.45

 Longfield™ Nissan Patrol Y60 Inner Axle Shaft, Long, 303973-KIT, $114.45

 Longfield™ Nissan Patrol Y61 Inner Axle Shaft, Short, 300974-KIT, $114.45

 Longfield™ Nissan Patrol Y61 Inner Axle Shaft, Long, 303975-KIT, $114.45

The post Longfield™ Gun-Drilled Nissan Patrol Birfield Kits appeared first on RockCrawler 4x4 and Offroad Magazine.

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