Ford Falcon XK XL XP 289 302 347 Windsor V8 Pacemaker Headers PH4025
$896.18
Tax included
Pacemaker Headers PH4025 — Ford Falcon XK, XL, XP 289–347 Windsor V8 (GT40P Heads)
Pacemaker Headers PH4025 (extractors) are engineered for Ford Falcon XK–XP Windsor V8 (289, 302, 347) engines fitted with GT40P cylinder heads. Featuring a tuned-length performance design with mandrel-bent 1.58" primary pipes and 3.00" outlets, these headers deliver improved flow, torque, and throttle response. Built for smooth power delivery, street performance, and durability. Click image for larger view and more images.
Best Mufflers provides expert advice and fast shipping across Australia.
Pacemaker Headers PH4025 – Ford Falcon XK, XL, XP 289–347 Windsor V8 (GT40P Heads)
Pacemaker Headers PH4025 (extractors) are designed for Ford Falcon XK–XP Windsor V8 engines (289, 302, 347) fitted with GT40P heads as found on the AU II. Tuned-length mandrel-bent design delivers superior exhaust scavenging, smoother torque curve, and a sharper throttle response for performance street builds and classic restorations.
Not sure which headers to use for your Windsor engine? Read our Ford Windsor header guide here.
Key Features
- Tuned-length design for street performance applications
- Mandrel-bent 1.58" primary pipes, 3.00" outlets
- Thick, machined flanges for strength and leak-free sealing
- Smooth merge collectors for improved exhaust scavenging
- Compatible with GT40P heads (AU II style) — requires short top spark plugs and 90° plug leads
Construction
- High-quality steel tubing with precision welding
- Pacemaker Blue heat-resistant finish rated to 800°C
Additional Options
- Ceramic Coating (PHC30): Enhanced heat management and long-term protection
- Gaskets: Contact us for availability and advice
Fitment Notes
- Designed for GT40P cylinder heads — ensure correct spark plug clearance
- Protect painted surfaces during installation using cling wrap
- Clearance may vary depending on engine mounts, steering setup, or aftermarket components
What’s Included
- Pacemaker Headers SKU: PH4025
- Left and right header assemblies (PH4025L / PH4025R)
- Header bolts [16]
- Outlet flanges to adapt to exhaust system
Why Good Headers and Exhaust Systems Matter
- A 302 Windsor engine draws ~10,000 L/min of air and expels ~30,000 L/min of exhaust gas at 5000 rpm
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:
📞 Call Now: +61 2 9547 3511 ✉️ Email Us
🇦🇺 Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia
Exhaust Systems Since 1983
Workshop hours: Mon–Fri 8:00am–5:00pm (By Appointment Only) | Phone and email enquiries welcome 24 hours
Pacemaker Headers PH4025
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Pacemaker Headers PH4025 — Ford Falcon XK, XL, XP 289–347 Windsor V8 (GT40P Heads)
Pacemaker Headers PH4025 (extractors) are engineered for Ford Falcon XK–XP Windsor V8 (289, 302, 347) engines fitted with GT40P cylinder heads. Featuring a tuned-length performance design with mandrel-bent 1.58" primary pipes and 3.00" outlets, these headers deliver improved flow, torque, and throttle response. Built for smooth power delivery, street performance, and durability. Click image for larger view and more images.
Best Mufflers provides expert advice and fast shipping across Australia.