SKU: 30101926952

Pacemaker | Tri-Y Design Exhaust Headers | Holden HQ HJ HX HZ WB 304 5.0L EFI V8 | PH 5270 L/R

Sale price$487.13 Regular price$541.26
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Description

Pacemaker | Tri-Y Design Exhaust Headers | Holden HQ HJ HX HZ WB 304 5.0L EFI V8 | PH 5270 L/RPacemaker Tri Y Design Exhaust Headers Holden HQ WB 304 EFI V8 Conversion PH 5270 L R Specifically engineered for the classic Holden HQ WB series, these Pacemaker Tri Y exhaust headers are the perfect solution for 5. 0L EFI engine conversions. Whether you are running a complete VN VT Series 1 304 V8 or fitting EFI heads to your original 253 308 block, these headers optimize exhaust scavenging to deliver significant gains in mid range torque and

Pacemaker Tri-Y Design Exhaust Headers - Holden HQ-WB 304 EFI V8 Conversion - PH 5270 L/R

Specifically engineered for the classic Holden HQ-WB series, these Pacemaker Tri-Y exhaust headers are the perfect solution for 5.0L EFI engine conversions. Whether you are running a complete VN-VT Series 1 304 V8 or fitting EFI heads to your original 253-308 block, these headers optimize exhaust scavenging to deliver significant gains in mid-range torque and throttle response. Note: Confirmed fitment for both Manual and Automatic transmissions.

Features:

This product offers the following high-performance features:

  • Tri-Y Header Design: Optimized for high-efficiency exhaust flow, providing the best balance of low-end torque and high-end power for the 5.0L EFI V8.
  • Conversion Ready: Tailored specifically for HQ-WB chassis using VN, VP, VR, VS, or VT Series 1 engine components.
  • Mechanical Clutch Compatible: Engineered to clear the HQ-style mechanical "Rat Trap" clutch system.
  • Oxygen Sensor Ready: Integrated provisions for Oxy Sensors to support EFI engine management systems.
Product Specifications for PH 5270 L/R
Feature Value Feature Value
Part # PH 5270 Gasket DSF 63
P/Steering Yes Primary Pipe 1⅝" (41mm)
Air Con Yes Secondary Pipe 1⅞" (48mm)
Oxy Sen Yes Outlet 2¼" (57mm)
E.G.R N/A Y Branch N/A
Fitting Time 2 Hrs Design Tri-Y Design

Gearbox & Sump Compatibility:

  • Gearboxes: Australian 4-speed (cable clutch), T5 (VN-VS), Toyota Supra 5-speed (Hatfield bellhousing), Trimatic, Turbo 350, Turbo 400, and Turbo 700 (with Hatfield rear cross member).
  • Sumps: Will fit with High Energy Sump Part No. HE2101.

Important Information

  • The image shown may not reflect the actual product
  • Shipping times may vary depending on destination and stock availability

Vehicle Applications:

Vehicle Applications for PH 5270
Make Model From To Body Series Engine Variant Drivetrain
HOLDEN
Holden Monaro / Kingswood / Statesman 1971 1984 Sedan / Ute / Wagon HQ-HJ-HX-HZ-WB 304 5.0L EFI V8 (VN-VT S1) Manual & Automatic RWD
Warranty Information
Product Warranty Period
Pacemaker Headers Two (2) years.
Pacemaker King Brown 4x4 Exhaust systems Five (5) years.
Pacemaker Sports exhaust systems Five (5) years.
Fabrication products and accessories One (1) year.

Payment & Security:
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Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 30101926952

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Charlie J
Los Angeles, US
★★★★★ 4
Good quality
Size: 10 sqft
I wish it was a little better but it definitely works great and look good for how cheap it is
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Reviewed in the United States on January 23, 2026
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R. Selberg
Birmingham, US
★★★★★ 5
Works well
Size: 10 sqft
Worked great at a budget price. I used it to damp a fiberglass loudspeaker horn. Easy to work with too.
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Reviewed in the United States on May 8, 2026
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Devan
Charlottesville, US
★★★★★ 5
Good material but bites back
Size: 20 sqft
Very good product for my rear trunk and backseat on my mustang. I would recommend some type of gloves due to the foil itself when placing down will cut up your hands and fingers. Overall good product for its price.
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Reviewed in the United States on May 23, 2026
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K.M
Grantham, US
★★★★★ 5
Great and light!
Style: 30 pcs
Worked out great. Good stuff and sound deadens the vehicle without adding a ton of weight.
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Reviewed in the United States on June 3, 2026
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Robert N.
Whiting, US
★★★★★ 4
Buy this!!!!
Style: 30 pcs
Very thick and effective. Sticks well too. Great buy
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Reviewed in the United States on May 30, 2026

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