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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:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.9 ★★★★★
Based on 479 reviews
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Product Reviews
★★★★★ 5
WIDE Dress Shoes With SUPPORT
Size: 10.5, Color: Brown
I've seen dress shoes and worn dress shoes before, but these are simply the best dress shoes I've ever worn my entire life. 99% of dress shoes have the same problem, they have the thinnest little soles that offer no support. BRUNO MARC HAS SOLVED THE PROBLEM. These dress shoes not only support wide feet like mine who historically have had and still have little support in the market, but Bruno Marc has wide options that fit perfectly, and the support with the thick foam sole is so needed and awesome. I had a pleasant surprise putting these things on and there being some tactile grip enhancers inside the shoe so you can feel the shoes better and get a little tickle / massage while you're at it. These things are dripping with style, easy to wear, and while they might look firm on the outside, on the inside the shoe just has such a nice flexibility and foamy feel, the top where the top of your feet feel the roof of the shoe, it has such perfect ooey gooey support I can't believe it. The outside sole also has this neat tactile feel. The durability looks good and feels good for now.
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Reviewed in the United States on September 28, 2025
★★★★★ 5
Perfect Blend of Comfort and Style
Size: 9, Color: Brown, Size: 9, Color: Brown
I recently purchased size 9 of these shoes, and they exceeded my expectations in every way! Here’s what I love about them:
1. Comfort: The moment I put them on, I noticed how soft and supportive they felt. The cushioning provides all-day comfort, making them perfect for long walks, workdays, or running errands.
2. Fit: The sizing is spot-on! I ordered my usual size, and they fit perfectly with no need to size up or down. There’s enough room for my toes to move without feeling too loose or tight.
3. Style: These shoes look even better in person. The design is sleek and versatile, making them easy to pair with both casual and semi-formal outfits. I’ve received several compliments already!
4. Durability: I put it on the day of purchase. After wearing them daily for a couple of days, they still look brand new. The stitching and material seem high-quality and built to last.
5. Value for Money: For the price, these shoes deliver exceptional value. You’re getting premium comfort and style without breaking the bank.
Final Thoughts: If you’re looking for shoes that offer comfort, style, and durability, I highly recommend giving these a try. I’ll definitely be considering another pair in a different color soon!
To conclude, I’m very happy for this purchase. Will definitely buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2025
★★★★★ 5
Great Purchase
Size: 12, Color: Black
These shoes are great. They look great and extremely comfortable.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Comfortable, Easy to Clean, and Held Up at Coachella
Size: 12, Color: White, Size: 12, Color: White
I’m really happy with this purchase. The shoes are very comfortable, and the product description is accurate. I followed the sizing recommendation based on my foot type and went one size up—they fit perfectly.
I bought these for Coachella, and they definitely held up. I was on my feet all day, and they stayed comfortable the entire time. What impressed me most is how easy they were to keep clean. At the end of each day, I was able to wipe them down and maintain their whiteness without much effort.
Once I got home, I gave them a deeper clean, and they honestly looked as good as new. Even the laces cleaned up easily.
Now I’ve transitioned them into my regular work shoes, and they still look great. Overall, I’m very satisfied with this purchase and would definitely recommend them.
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Reviewed in the United States on May 4, 2026
★★★★★ 4
Great shoes that are well made, lite weight, and comfortable.
Size: 12, Color: Brown
Just received my 2nd pair of shoes from Bruno Marc in a size 12. These are really lite and comfortable. It can be dressed down to be a casual shoe or dressed up with a nice suit. These run true to size so I ordered my usual size 12 and the fit was perfect. Being my 2nd pair of Bruno Marc's, I like the quality of their shoes and each shoe is described appropriately on fit and comfort. Insole of these shoes were awesome and provided soft comfort on the feet along with a slight arch support too. Will definitely consider ordering more Bruno Marc shoes in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2025
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