ARP 155-4203 Head Stud Kit or Denoxtronic Supply Module they provide the ultimate in

they provide the ultimate in torque retention and have the strength needed to seal and survive on current lightweight aluminum casting designs

• Service replacement component

4L Ford Power Stroke CP3 Dual Injection Pump Kit

Rod Bolt Kit engineered for consistent clamp load and durable service

• Hex head bolt kit

ARP 155-4203 Head Stud Kit or Denoxtronic Supply Module they provide the ultimate inARP 155 4203 Head Stud Kit 12 point head stud kit for Ford 429 460 big block applications, designed for improved cylinder head clamping. 12 point nut design for tool clearance Studs help improve clamp load consistency Designed for performance and durability Follow ARP installation and torque procedures Fits: Ford: 429 460 big block applications