Pacemaker Headers PH5366 – Holden Adventra, Cross 8, AWD (VY, VZ)

Pacemaker PH5366 headers (extractors) are a great performance upgrade designed for Holden Adventra, Cross 8, and Coupe 4 AWD LS1 Chev engines, fitting VY, VZ models. These interference design headers improve exhaust flow, increase mid/ high 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

• Interference design
• Mandrel-bent 45mm primary pipes, 51mm secondary pipes with 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 (PHC20): Enhanced durability and heat management
• Gasket (DSF138): Available separately for optimal sealing
• Oxygen Sensors wiring extenders will be required on VY 2 & VZ models
  VY 5.7 See product code PEX5367Y 
  VZ 5.7 See product code PEX5367Y 
  VZ 6.0 See product code PEX5367Z 

Fitment Notes

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

What’s Included

• Pacemaker PH5366L left header assembly
• Pacemaker PH5366R right header assembly

Recommended With

• Header Bolts. See product code BOL02-10

Warranty & Compliance

• Backed by Pacemaker 2 year manufacturer 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