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Pacemaker Headers PH4499 (extractors) are designed for the Ford Fairlane NA, NB, NC, NF, NL 3.9L & 4.0L SOHC
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Ford Fairlane NA NC NF NL 3.9-4.0 Pacemaker Headers PH4499

$587.40
Tax excluded

Pacemaker Headers PH4499 – Ford Fairlane NA, NB, NC, NF, NL 3.9L & 4.0L SOHC

Pacemaker PH4499 headers are designed for Ford Fairlane NA–NL 3.9L & 4.0L SOHC models. These tuned-length extractors feature 45mm primary pipes, 51mm secondaries, and a 63mm flanged outlet for smooth flow and excellent mid-range torque. Improve throttle response and achieve a stronger exhaust note with precision Australian engineering. Click the image for more photos.

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Pacemaker Headers PH4499 – Ford Fairlane NA–NL 3.9L & 4.0L SOHC

Pacemaker Headers PH4499 (extractors) are a performance upgrade for Ford Fairlane NA, NB, NC, NF, and NL models running the 3.9L & 4.0L SOHC inline-six. The tuned interference design improves exhaust scavenging, reduces back pressure, and enhances torque across the rev range. Built for restorations or daily performance driving, they deliver a clean fit, excellent sealing, and the proven reliability that Pacemaker is known for.

Key Features

  • Interference design for torque and throttle response improvement
  • Mandrel-bent 45mm primary pipes, 51mm secondaries, 63mm flanged outlet
  • Machined flanges ensure a strong, leak-free seal
  • Smooth merge collectors for enhanced scavenging and exhaust efficiency
  • Direct-fit to factory mounts and connection points

Construction

  • High-grade steel tubing with precise welds for durability
  • Pacemaker Blue heat-resistant finish rated to 800°C
  • Made in Australia to exacting standards

Additional Options

  • Ceramic Coating (PHC50): Enhances heat management and corrosion protection
  • Gasket (DSF061): Available separately for complete sealing
  • High-Flow Catalytic Converter: See product code CAT4499-80-100

Fitment Notes

  • Suits Ford Fairlane NA–NL 3.9L & 4.0L SOHC engines
  • Protect painted surfaces and wrap headers during trial fitment
  • Clearance may vary depending on engine mounts or steering alignment
  • Recommended to re-torque after initial heat cycle

What’s Included

  • Pacemaker PH4499 header assembly
  • Header bolts [12]

Recommended With

  • New exhaust gaskets (DSF061 sold separately)
  • High-Flow Catalytic Converter (CAT4499-80-100)
  • Exhaust sealant and clamps for installation

Performance & Airflow

  • The Ford 4.0L SOHC engine draws approximately 8,500 L/min intake air and expels 25,000 L/min exhaust gas at 5,000 rpm
  • Pacemaker’s tuned interference design optimises exhaust velocity for better mid-range performance

Warranty & Compliance

  • Backed by Pacemaker’s 2-year manufacturer warranty (standard terms apply)
  • Verify emissions and registration compliance in your state

Customer Support

For advice, orders, or technical support:

📞 Call Now: +61 2 9547 3511 ✉️ Email Us

🇦🇺 Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia
Exhaust Systems Since 1983

Pacemaker-Headers-PH4499


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