Pacemaker PH4007 Headers – Ford Falcon FG XR8 & GT 5.4L 4V BOSS V8

Pacemaker PH4007 headers (extractors) are a performance upgrade designed for Ford Falcon FG XR8 & GT with the 5.4L BOSS 4V engine. These 4-1 tuned length headers improve exhaust flow, increase low-to-mid range torque, sharpen throttle response, and deliver a stronger exhaust note. Perfect for restorations, street performance, and weekend cruisers, they ensure a leak-free fit with proven Pacemaker quality.

Key Features

• Mandrel-bent 45mm primary pipes, 63mm flanged outlets
• Thick, machined flanges for durability and reliable sealing
• Smooth merge collectors for improved scavenging and power delivery

Construction

• High-quality steel tubing with strong welds for long service life
• Pacemaker Blue heat-resistant finish rated to 800°C

Additional Options

• Ceramic Coating (PHC30): Enhanced durability and heat management
• Gasket (DSF813): Available separately for optimal sealing

Fitment Notes

• Protect painted surfaces and wrap headers during trial fitting
• Clearance may vary with engine mounts, steering, and aftermarket components

What’s Included

• Pacemaker PH4007L left header assembly
• Pacemaker PH4007R right header assembly
• Outlet flanges and gaskets to connect to exhaust system
• Header bolts [16]

Recommended With

• New exhaust gaskets
• Matching exhaust system available (sold separately)

Why Good Headers and Exhaust Systems Matter

• On average, a 5.4L BOSS engine draws ~11,475 L of air per minute and expels ~35,000 L per minute at 5000rpm

Warranty & Compliance

• Backed by Pacemaker 2-year warranty (standard terms apply)
• Check local regulations for emissions and roadworthiness compliance

Customer Support

For phone orders, advice, or part enquiries – contact us: