Kit #5 – Triangular reduced shank 3/8″ US thread chromoly studs for STOCK HEADS WITH STOCK IRON CYLINDERS. SS Spring washers. Long SS US nuts, Requires 3/8″ x .620” x 16 thread Time-Serts in head.


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