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Pacemaker Headers PH5310
Holden HQ HJ HX HZ WB
283 307 327 350 400 V8 Small Block Chev
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Holden HQ HJ HX HZ WB 283 307 327 350 Chev Pacemaker Headers [PH5310] 42mm

$849.95
Tax excluded

Pacemaker Headers PH5310

Holden HQ HJ HX HZ WB

283 307 327 350 400 V8 Small Block Chev

Quantity
In Stock

Pacemaker 

Exhaust Headers 

Part No. PH5310 
Holden HQ HJ HX WB 
283 307 350 400 V8 Chev 
Header Design Interference design for street performance applications 
Pipe Sizes
Primary Pipes  Secondary Pipes  Outlet Size 
1.58" 2,00" 2.25"
Notes Check availability before ordering
Ceramic Coating Available see "PHC10
Gaskets See "DSF009" 
Will not fit slant plug heads. 
Will only fit with original e/mounting spacers 
or PACEMAKER spacers P/N  PEMP 350. 
Spacers must be fitted on correct side. 
RH spacer is 1¾" high LH spacer is 1¼" high 
Will fit Turbo 400 & Powerglide automatic. 

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
  • Need 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-PH5310


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