Allstar Performance 28.5" Solid Axle - 31 Spline 4087BK a universal bolt pattern with

a universal bolt pattern with a 5/8" pilot hole and weighs approximately 3 lbs

Their lineup includes everything from mounting brackets to cover panels

Bolt-in steel mounts for GM metric chassis bolt to crossmember and accept Allstar steel engine mounts (ALL38100)

Flexible yet sound insulating integrated ear muffs for comfort combined with sound insulation

and a center halo support

Allstar Performance 28.5" Solid Axle - 31 Spline 4087BK a universal bolt pattern withAxles fit most "floating style" quick change and Ford 9" rear ends. 31 spline axles are available solid or gun drilled to reduce weight. Use with 31 spline differential or spool and 24 spline drive flanges. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on