PH 5275 HQ-WB 5L E.F.I. Heads Competition Header

In stock
SKU: PH5275
Regular price $1,077.00 inc. GST

Please contact us for availability before purchase.

NOTE: We only stock headers, if you require any additional branches/base pipes or accessories by request only.

Pacemaker Headers to suit Holden HQ-HJ-HX-HZ-WB

Fitted with 5 Litre E.F.I. Motor (Engine Conversion - 304 5L Holden V8 from VN, VP, VR, VS or VT Series 1) or E.F.I. Heads installed onto original Holden V8 253-308 Block.

Manual & Automatic Transmissions. TRI-Y design

Part #: PH 5275
P/Steering: Yes Gasket: DSF 63
Air Con: Yes Primary Pipe: 1¾" (44mm)
Oxy Sen: Yes Secondary Pipe: 2" (51mm)
E.G.R: N/A Outlet: 3" (76mm)
Y Branch: N/A Fitting Time: 2 Hrs


  • All Pacemakers are made to order
  • Call for availability as stock varies
  • If unavailable ETA 2-6 Weeks
  • Will fit with High Energy Sump
  • Will fit with HQ type Mechanical Clutch
  • Suitable for 5.7 Litre stroked or super charged motor

These Headers will fit the following gearboxes:

  • Australian four speed with cable clutch
  • Commodore VN-VS five speed
  • Toyota Supra five speed with Hatfield bellhousing
  • Holden Trimatic
  • Holden Turbo 400
  • Holden Turbo 350
  • Will fit with High Energy Sump HE2101 Part No.
  • Commodore four speed automatic Turbo 700 with Hatfield rear cross member using Turbo 700 gear box mounts and 308 engine mounts