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Holden HQ HJ HX HZ WB 1971 to 1981 397 427 454 Big Block Chev Performance Exhaust Headers PN# EXT291
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Holden HQ HJ HX WB 427 454 Big Block Chev Exhaust Headers [EXT291]

$904.55
Tax excluded

Holden HQ HJ HX HZ WB 1971 to 1981 
397 427 454 Big Block Chev 
Performance Exhaust Headers 
PN# EXT291 

Quantity
In Stock

Holden HQ HJ HX HZ WB 1971 to 1981 
397 427 454 Big Block Chev 
Performance Exhaust Headers 
Part No. EXT291
Holden HQ HJ HX HZ WB 1971 to 1981 
397 427 454 big block chev 
Header Design tuned length for street / race performance applications 
Pipe Sizes
Primary Pipes Secondary Pipes Outlet Size
2.00"  00" 3.50" 
Notes Made To Order 2-3 weeks 
Gaskets see "DSF075" 
Installation Tips clearance issue's if fitted on some alloy heads 
  • Great Quality 
  • Australian Made 
  • Mandrel Bent 
  • Australia Wide Delivery 
  • More Info Contact Us 

If You need help finding the correct exhaust headers please Contact Us

EXT291


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