ARP Balancer Bolt Modular 4.6L 5.4L 2V 3V 4V (Falcon XR8 GT GTP) – PN 156-2501

🔧 Harmonic Damper Bolt Kit

Application: Ford Modular 4.6L / 5.4L
Kit #: 156-2501
Manufacturer: ARP

📐 Specifications

• Socket Size(s): 18mm, 12-point

• Under Head Length (UHL): 1.800˝

• Thread Size: M12 x 1.50

• Washer Included: Yes

✅ Torque Specs

Torque Rating (with ARP Ultra-Torque Lubricant):
135 ft-lbs (183 Nm)

ARP specifies this value when using their Ultra-Torque Fastener Assembly Lubricant. Always follow ARP’s instructions for accurate clamping force.

🛠 Installation Tips

• Clean Threads:
  Ensure the crankshaft and bolt threads are clean and free of debris or oil.

• Lubricate Properly:
  Apply ARP Ultra-Torque Lubricant to:

  • Bolt threads

  • Underside of the bolt head

  • Both sides of the washer

• Use a Quality Torque Wrench:
  Set torque to 135 ft-lbs precisely. Avoid guessing.

• One-Time Use Note:
  ARP bolts are reusable, unlike OEM torque-to-yield bolts — a key upgrade benefit.

🔍 Engine Compatibility

🟦 Ford Modular 4.6L V8

• 2-Valve SOHC: Mustang GT, Crown Victoria, F-150

• 3-Valve SOHC: 2005–2010 Mustang GT, F-150

• 4-Valve DOHC: Cobra, Mach 1, Marauder

🟩 Ford Modular 5.4L V8

• 2-Valve SOHC: Early F-150, E-Series, Expedition

• 3-Valve SOHC: 2004–2010 F-150, Expedition, Navigator

• 4-Valve DOHC: SVT Lightning, Shelby GT500, Ford GT, Navigator

🟥 FPV Boss V8s (Australia)

• Boss 260 – 5.4L DOHC V8, 2V head

• Boss 290 – 5.4L DOHC V8, 4V head

• Boss 315 – 5.4L DOHC V8, 4V head (XR8, GT, GT-P)

• Boss 302 – Limited editions

⚠️ Notes

If using an aftermarket crankshaft or harmonic damper (e.g., ATI, Innovators West, Powerbond, Ross), always confirm proper bolt fitment and torque specs with the manufacturer.