Kit #6 – Reduced shank 18 tpi into cylinders 5/16″ ARP SS studs with rolled threads for MANEY ALUM CYLINDERS WITH STOCK or FA/STS HEADS. 12 pt ARP SS nuts and spring washers
$59.00
The triangular shape allows a reduced shank while still locating the head on the cylinders. 12 pt nuts and Belleville spring washers included.