Pacemaker PH5210 Headers – Holden (HQ, HJ, HX, HZ, WB)

Pacemaker PH2510 headers (extractors) are a performance upgrade designed for Holden 253 & 308 engines, fitting HQ, HJ, HX, HX, and WB models. These precision-engineered 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 tidy, leak-free fit with proven Pacemaker quality.

Key Features

• Tuned length design
• Mandrel-bent 42mm primary pipes, 45mm secondary pipes, and 51mm outlets
• Thick, machined flanges for durability and reliable sealing
• Smooth merge collectors for improved scavenging and power delivery

Construction

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

Additional Options

• Ceramic Coating (PHC10): Enhanced durability and heat management
• Gasket (DSF009A): Available separately for optimal sealing

Fitment Notes

• Linkages on column auto must be modified. 
• Will Fit with Air-Conditioning 
• Protect painted surfaces and wrap headers during trial fitting
• Clearance may vary with engine mounts, steering, and aftermarket parts

What’s Included

• Pacemaker PH5210 left header assembly
• Pacemaker PH5210 right header assembly
• Header bolts [12]

Recommended With

• Gaskets - see product code "DSF009A" 
• Matching intermediate pipes, joiners, or adaptors (sold separately)

Warranty & Compliance

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

Customer Support

For advice, phone orders, or fitment help:

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

🇦🇺 Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia

Exhaust Systems Since 1983