Hi-Performance Cylinder Stud Set. Fits Sportster 1986-2021 BCM-7123 Timken Bearing # SS31-4013

Timken Bearing # SS31-4013

* Includes all necessary bolts for the engine’s cam cover & point cover

* 10" WIde

Length = 11

Hi-Performance Cylinder Stud Set. Fits Sportster 1986-2021 BCM-7123 Timken Bearing # SS31-4013KPMI Cylinder Studs are made from 180,000 psi yield strength, fine grain, heat treated, aircraft grade alloy steel. When you want a stud that meets proof stress and maximizes clamping force, look no further. KPMI "rolls" the threads, heat treats and then centerless grinds the entire body of the stud. Rolling the threads creates the toughest and strongest thread possible and centerless grinding removes notch sensitivity. The final process for all KPMI