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Holden HQ HJ HX HZ WB 
Big Block Chev V8 396 427 454 
Pacemaker Headers / Extractor 
PN# PH5340
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Holden HQ HJ HX HZ WB 396 427 454 Big Block Chev V8 Pacemaker Headers [PH5340]

$1,199.82
Tax excluded

Holden HQ HJ HX HZ WB 
Big Block Chev V8 396 427 454 

Pacemaker Headers / Extractors 
PN# PH5340 

Quantity
Out of Stock. Contact Us for Information.

 

Holden HQ HJ HX HZ WB 
Big Block Chev V8 396 427 454 

Pacemaker Headers / Extractors 

Part No. PH5340 
Header Design Interference design for street performance and race applications 
Pipe Sizes
Primary Pipes  Secondary Pipes  Outlet Size 
2.00"  2.25"  3.00" 
Notes Not available until Jan / Feb 2024
Ceramic Coating Available see "PHC10
Only fit with HQ 350 Chev orig engine mounts or PACEMAKER spacers PN PEMP 350. 
Spacers must be fitted on correct side. 
RH spacer is 1¾" - LH spacer is 1¼" 
Gaskets see "DSF075" 

Installation Tips

A great way to fit Pacemaker Headers without scratching the headers or the engine bay during installation is to wrap headers in cling wrap. The more layers added the better chance of preventing any damage. Once wrapped nice and tight, trim around header mounting flange with razor blade or scissors then place headers into engine bay, install a few bolts, then cut the remaining cling wrap away with scissors or razor before tightening. 
  • Australian Made 
  • Mandrel Bent 
  • Australia Wide Delivery
  • Exhaust Sealant Available
  • More Info Contact Us
Pacemaker Headers

If you need help finding the correct exhaust system parts please Contact Us

WHAT IS THE DIFFERENCE BETWEEN HEADERS AND EXTRACTORS? In Australia, headers were known as extractors through the 60's and 70's by the companies developing them. In America at the same time they were called headers (spelt hedders). This was in part due to the fact that they (headers) are an extension of the cylinder head. In the 80's new Australian companies began to market extractors as headers. The main reason being that these companies intended to change the image of the humble extractor to more of a common vehicle replacement component. Some 'old school' enthusiasts still call them extractors today.

Pacemaker-Headers-PH5340


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