Kit #3 – Reduced shank 3/8″ x 16 tpi into head chromoly studs with rolled threads for STOCK HEADS WITH MANEY ALUM CYLINDERS. SS spring washers. 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 nuts and Belleville spring washers included. See TimeSert installation
See Ordering correct 3/8″ timeserts