Holden HQ HJ HX HZ WB Chev LS1, LS2, LS3 Chev Conversion Pacemaker Headers PH5342
$1,131.45
Tax excluded
Pacemaker Headers PH5342 (extractors) Holden HQ, HJ, HX, HZ LS1, LS2, LS3 Chev Conversion. Tuned-length design with mandrel-bent 45mm primary pipes and 76mm flanged outlets, these headers enhance exhaust flow, increase torque, and sharpen throttle response. Built from high-quality materials with thick machined flanges and finished in Pacemaker Blue heat-resistant paint, they deliver the quality and reliability you expect from Pacemaker Headers. Perfect for restorations, street performance, or weekend cruising. Click the image for more photos.
Best Mufflers offers expert advice and fast shipping Australia-wide and internationally.
Pacemaker PH5342 Headers – Holden HQ, HJ, HX, HZ, WB. LS1, LS2, LS3 Chev Conversion
Pacemaker Headers PH5342 (extractors) | Holden HQ, HJ, HX, HX, and WB LS1 LS2 LS3 conversion. Tuned length headers improve exhaust flow, increase 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 45mm primary pipes with 76mm 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 (PHC40): Enhanced durability and heat management
- Gasket (DSF138): Available separately for optimal sealing
Fitment Notes
- 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 PH5342 left header assembly
- Pacemaker PH5342 right header assembly
- Header bolts [????]
Recommended With
- New exhaust gaskets
- Matching intermediate pipes, joiners, or adaptors (sold separately)
Why Good Headers and Exhaust Systems Matter
- On average, a LS1 Chev engine draws ~8,478 L of air per minute and expels ~25,254 L per minute at 3500rpm
- On average, a LS1 Chev engine draws ~12,112 L of air per minute and expels ~36,078 L per minute at 5000rpm
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:
Pacemaker-Headers-PH5342
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Pacemaker Headers PH5342 (extractors) Holden HQ, HJ, HX, HZ LS1, LS2, LS3 Chev Conversion. Tuned-length design with mandrel-bent 45mm primary pipes and 76mm flanged outlets, these headers enhance exhaust flow, increase torque, and sharpen throttle response. Built from high-quality materials with thick machined flanges and finished in Pacemaker Blue heat-resistant paint, they deliver the quality and reliability you expect from Pacemaker Headers. Perfect for restorations, street performance, or weekend cruising. Click the image for more photos.
Best Mufflers offers expert advice and fast shipping Australia-wide and internationally.