Fast Delivery Cylinder Head Studs, 6 Point Hex Head, 1986-87 Buick 3.8l Turbo Gn & T-type All Sizes Available [gXKprsni]

Pro series cylinder head studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi. ARP Pro series kits are available with 6-point nuts (12 point in some applications), and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.