Pacemaker Headers PH5600 – Holden Commodore VB–VL 5.0L V8 EFI Heads

Pacemaker Headers PH5600 (extractors) | Holden Commodore VB, VC, VH, and VL 5.0L V8 EFI heads. These precision-engineered headers improve exhaust flow, increase torque, sharpen throttle response, and deliver a stronger exhaust note. Perfect for restorations, street performance, and weekend cruisers, they ensure a tidy, leak-free fit with proven Pacemaker quality.

Key Features

• Interference design for street performance applications
• Mandrel-bent 1.58" primary pipes, 2.00" secondaries, 2.25" 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 precision welding for long service life
• Pacemaker Blue heat-resistant finish rated to 800°C

Additional Options

• Ceramic Coating (PHC10): Enhanced durability and heat management
• Gaskets (DSF063): Available separately for optimal sealing

Fitment Notes

• Will fit Holden Commodore VB, VC, VH & VL 5.0L EFI
• Will fit VL models with VN–VS steering rack
• Will not fit manual steering K-frame
• Compatible gearboxes:
  • Australian four-speed (cable clutch)
  • Commodore VN–VS five-speed
  • Supra five-speed with Hatfield bellhousing
  • Holden Trimatic / Turbo 350 / Turbo 400
  • Commodore Turbo 700 four-speed auto
  • Commodore Getrag five-speed (VT box)
  • Ford Top Loader

What’s Included

• PH5600L left header assembly
• PH5600R right header assembly
• Header Bolts [16]

Recommended With

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

Why Good Headers and Exhaust Systems Matter

• At 4000 rpm, the Holden 5.0L EFI V8 engine draws approximately 8,500 L/min of intake air and expels around 25,300 L/min of exhaust gas.

Warranty & Compliance

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

Customer Support

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

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

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87A Planthurst Road, Carlton NSW 2218, Australia
Exhaust Systems Since 1983