Home/2003-04 Cobra Engine Fasteners ARP Main Stud kit, 4.6 / 5.4 4V with windage tray $339.31 ARP Camshaft Sprocket Bolt, 4.6 / 5.4 10mm x 1.5 $37.68 ARP Camshaft Sprocket Bolt, 4.6 / 5.4 12mm x 1.5" $33.09 ARP Main Stud kit, 4.6 4V aluminum block $311.99 ARP Side bolts, 4.6 / 5.4 cast iron (2006+) $85.61 ARP Side bolts, 9mm, 4.6 Aluminum block $102.51 ARP Side bolts, 4.6 early aluminum block $90.33 ARP Head Studs, 4.6 and 5.4, 2V/4V, 6 point $420.80 ARP Balancer Bolt, 4.6 / 5.4 2V, 3V, 4V $43.98