Kit #4 – Triangular reduced shank 3/8″ British thread chromoly studs for STOCK OR FULL AUTO HEADS with British threads and MANEY ALUM CYLINDERS. SS Spring washers.


High strength ARP. The triangular shape allows a reduced shank while still locating the head on the cylinders. 12 pt nut and Belleville spring washers included.

See Timesert installation