You've selected the kit with the U-bolts.

Forged, 28 spline, 1350, U-bolt style yoke for JL M220 rear differentials.  If you have a JL, and don't know what rear axle you have, check out the images for our ID sheet This yoke takes a 1350 u-joint (3.622" cap to cap wide, 1.188" cap diameter) and U-bolts (NOT straps).  Use the drop down menu to get the additional parts you need.

WARNING: Some differentials use a crush sleeve to set the pinion bearing preload. Over tightening the pinion nut on a differential that has a crush sleeve can cause catastrophic failure of the differential. If you're not sure of what a crush sleeve is, or if your differential has one, give us a call.

Why the yoke is great:

• FORGED will beat the same part made from billet, or cast...period.  The forging process forms the metal grain along the contours, and results is a stronger part.  Forging also compacts the grain structure which nearly eliminates failures from voids or inclusions.
• U-bolt style is superior to straps in nearly every way.  The U-bolt is nearly impossible to shear, but the head of a 5/16" bolt in a strap can pop like a pimple.  There's nothing to peel back on a U-bolt, but the strap can get caught.  Plus the U-bolt is simple to identify, a 1410 u-joint takes a 1410 U-bolt.  Straps have all sorts of different length, width, and thread pitch differences for the same size u-joint depending on application.
• FULL LOCK UP is what we call our u-joint cap retention method (see pictures for FULL LOCK UP vs little tang).  Almost all yokes have a little tang to retain the u-joint cap.  Catch that tang on a stubborn rock, and it breaks off.  Then the cap shoots out, and BAM.  FULL LOCK UP eliminates this problem by fully retaining the u-joint cap.  
• OE spline fitment is what every yoke should have.  Most yokes slide on, and aside from a gross error, work just fine....BUT an OE spline fitment requires encouragement from a 3 pound dead blow.  It would take hundreds of thousands of miles to wear out splines, but we make them so they'll NEVER wear out.

Specifications:

• U-joint size:  1350, U-bolt style, 3.622" cap to cap wide, 1.188" cap diameter
• Seal surface OD:  2.130"

U-bolts

• U-joint size:  1350
• ID (inside leg to inside leg):  ~ 1.31"
• Diameter and pitch:  3/8"-24

Cross Reference: N3-4-JL04-1X

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