PH 5320 HQ-WB 283-400 Small Block Chev Tri-Y

In stock
SKU: PH5320
Regular price $979.00 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. 283, 302, 305, 307, 327, 350, 400 V8 Small Block Chev Motor.

Manual & Automatic. TRI-Y design

Part #: PH 5320
P/Steering: Yes Gasket: DSF 9
Air Con: Yes Primary Pipe: 1¾" (44mm)
Oxy Sen: N/A Secondary Pipe: 2" (51mm)
E.G.R: N/A Outlet: 2¼" (57mm)
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 Turbo 400 automatic
  • Will fit Powerglide automatic
  • Will not fit slant plug heads
  • Will not fit raised port heads

  • Will only fit with original engine mounting spacers or PACEMAKER spacers part number Pemp 350
    Note: spacers must be fitted on correct side of vehicle. (RH spacer is 1¾” high, LH spacer is 1¼” high)