![Pacemaker Headers PH5004 [extractors] Holden EH-HX, Holden six cylinder red motors](https://bestmufflers.com/bshop/7217-large_default/holden-eh-hr-hk-ht-hg-hq-hx-hj-hz-red-motor-pacemaker-headers-ph5004.jpg "Pacemaker Headers PH5004 [extractors] Holden EH-HX, Holden six cylinder red motors")
Holden EH HR HK HT HG HQ HX HJ HZ Red Motor Pacemaker Headers PH5004
$615.46
Tax excluded
Pacemaker Headers PH5004 [extractors] Holden EH-HX, Holden six cylinder red motors pre EGR. Mandrel-bent 38mm primaries, 51mm secondaries, and 57mm outlet improve flow, torque, and throttle response while delivering a stronger exhaust note. Built from quality steel with thick flanges and Pacemaker Blue heat-resistant finish, these headers provide a tidy, leak-free fit. Compatible with multi-carb setups and column-shift manual or automatic transmissions, ideal for restorations, street performance, and weekend cruising. Click image for larger images and more images.
Pacemaker Headers PH5004 [Extractors] – Holden EH/HD/HR/HG/HT/HQ/HJ/HX Pre EGR Holden Six Cylinder Red Motor
Pacemaker Headers PH5004 are engineered for classic Holden EH, HD, HR, HK, HG, HT, HQ, HJ, HX Pre EGR running Holden Six Cylinder Red Motors. These interference-design headers feature mandrel-bent 38mm primary pipes, 51mm secondary pipes, and a 57mm outlet, delivering improved flow, stronger low- and mid-range torque, sharper throttle response, and a more aggressive exhaust note. Ideal for restorations, street performance, and weekend cruisers, they provide a tidy, leak-free fit with precision engineering.
Key Features
- Vehicle-specific fitment for EH / HX / Six Cylinder Red Motor engines
- Mandrel-bent primaries maintain consistent ID for optimal flow
- Thick, machined flanges for reliable sealing and durability
- Smooth merge collectors improve scavenging and power delivery
- Designed for straightforward installation with factory or performance exhausts
Construction
- High-quality steel tubing with robust welds for long service life
- Finished in Pacemaker Blue paint rated to 800°C
Additional Options
- Ceramic Coating: PHC70 for enhanced durability and heat management
- Gasket: DSF002 available separately for optimal sealing
Fitment Notes
- Will fit multi-carb setups
- Compatible with column-change manual and automatic transmissions
- Not suitable for Left Hand Drive vehicles
- For a scratch-free install, protect painted surfaces and wrap headers during trial fitting
- Clearance may vary with engine mounts, steering, and aftermarket components; minor adjustment may be required
What’s Included
- PH5004 header assembly
Recommended With
- New exhaust gasket and sealant
- Matching intermediate pipes or joiners/adaptors (available separately)
Warranty & Compliance
- Pacemaker quality backed by manufacturer warranty (standard terms apply)
- Check local regulations for emissions and roadworthiness compliance
Customer Support
For phone orders, advice, or part enquiries – contact us:
Pacemaker-Headers-PH5004
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Pacemaker Headers PH5004 [extractors] Holden EH-HX, Holden six cylinder red motors pre EGR. Mandrel-bent 38mm primaries, 51mm secondaries, and 57mm outlet improve flow, torque, and throttle response while delivering a stronger exhaust note. Built from quality steel with thick flanges and Pacemaker Blue heat-resistant finish, these headers provide a tidy, leak-free fit. Compatible with multi-carb setups and column-shift manual or automatic transmissions, ideal for restorations, street performance, and weekend cruising. Click image for larger images and more images.