ARP fasteners 5-Pack Bolt Kit, 12-Point Head S/S AR612-2500 Product:5/16" UNC x 2.500" UHL With 3/8" Socket Head Correct pushrod length is critical

Correct pushrod length is critical in achieving proper valve train geometry

Includes plug and pin kit

You will also note that ARP offers specially undercut studs for several engines

CNG and LPG if they are injected in the air stream after the throttle body

ARP fasteners 5-Pack Bolt Kit, 12-Point Head S/S AR612-2500 Product:5/16" UNC x 2.500" UHL With 3/8" Socket Head Correct pushrod length is critical5 Pack Bolt Kit, 12 Point Head S S5 16" UNC x 2. 500" UHL With 3 8" Socket Head Brand: ARP Part Number: AR612 2500 Description: Now you can use premium quality ARP stainless steel or chrome moly fasteners to install most anything on a car, boat or trailer. ARP's specially alloyed stainless steel bolts and heat treated 8740 chrome moly bolts with black oxide finish are nominally rated at 180,000 psi tensile strength to provide a substantial extra