TRI-Y Competition Exhaust Headers 1-3/4" Primary PH5275

Suit Holden HQ-WB 5.0L EFI V8 or EFI Heads

PH5275

5275

Application: Suit Holden HQ, HJ, HX, HZ, WB with 5.0L EFI V8 Manual & Automatic or EFI Heads P/Steering: Yes Air Cond.: Yes Oxy. Sen.: Yes E.G.R.: N/A Y Branch: N/A Gasket: DSF 63 Prim. Pipe: 1-3/4" (44mm) Sec. Pipe: 2" (51mm) Outlet: 2-1/4" (57mm) Fitting Time: 2 Hrs * Will not fit with HQ type mechanical clutch * Will suit Australian four speed with cable clutch, Commodore VN-VS five speed T5, Toyota Supra five speed with Hatfield bellhousing, Holden Trimatic, Turbo 400, Turbo 350 * Will fit with High Energy Sump Part Number HE2101 * Commodore four speed automatic Turbo 700 with Hatfield rear cross member using Turbo 700 gearbox mounts and 308 engine mounts Pacemaker are the pioneers of quality headers featuring the Mandrel system. Pacemaker's modern workshop incorporates the very latest equipment available, including aircraft quality computerised benders with revolutionary, patented, vertebrate type mandrel, ensuring perfectly round bends, previously unavailable in Australia. Pacemaker are the only Australian header manufacturer to manufacture their products with pipe over the cone design. The advantages are there is no protruding inside the collector cone, therefore increasing exhaust gas flow and eliminating turbulence inside the exhaust header. The result is better gas flow and increased horsepower. Additional features include: Precision cut and machined thick flanges to eliminate leaking and warpage All headers are jig welded for guaranteed fitment and are checked prior to shipment Comprehensive fitting instructions with V8 sets, together with hi-tensile header bolts Emission hookups provided where applicable Primary pipes fitted through the flanges Heat proof finish tested to 1270°C