Genie Products

Australian Made Headers

Holden HT-HZ 6cyl Blue or Black Motor

1969-1980
COMPETITION SET
These GENIE Competition Headers are designed to suit Holden HT-HZ running either Blue or Black motors with 12 Port Heads, see below for a full list of applications these headers will and will not work with. 

Will fit vehicles with:

  • XU1 Triple Stromberg Carburettors
  • X2 Twin Stromberg Carburettors
  • 186S Two Barrel Carburettors
  • Lynx Holley Two Barrel Carburettors
  • Lynx Triple SU Carburettors
  • Lynx Triple Webber Carburettors
 

Will NOT fit vehicles with:

  • Trimatic with 360º 1-Piece Bellhousing
  • Powerglide Auto
  • Standard Commodore Inlet Manifold (the heat riser flange must be ground back to clear headers)
Header Specs
Configuration TRI-Y
Primary Size 1 1/2"
Secondary Size 1 3/4"
Outlet Size 2 1/2"
Make: Holden
Model: HT-HZ
Body Style: Sedan
Transmission: Auto & Man
Engine: Blue/Black Motor
Part Number: GEN099E
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