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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Pacemaker | 2" Tri-Y Big Block Chev Conversion Headers | Holden HQ HJ HX HZ WB | PH5340 L/RPacemaker 2" Tri Y Big Block Chev Conversion Headers Holden HQ WB PH5340 L R Engineered for the ultimate muscle car conversion, the Pacemaker PH5340 headers allow for the seamless installation of a Big Block Chevrolet V8 into the iconic Holden HQ, HJ, HX, HZ, and WB series. These high performance Tri Y headers are designed to handle the massive displacement and exhaust volume of 396 to 496 cubic inch engines. Featuring large 2" (51mm) primary pipes
Pacemaker 2" Tri-Y Big Block Chev Conversion Headers - Holden HQ-WB - PH5340 L/R
Engineered for the ultimate muscle car conversion, the Pacemaker PH5340 headers allow for the seamless installation of a Big Block Chevrolet V8 into the iconic Holden HQ, HJ, HX, HZ, and WB series. These high-performance Tri-Y headers are designed to handle the massive displacement and exhaust volume of 396 to 496 cubic inch engines. Featuring large 2" (51mm) primary pipes and a substantial 3" (76mm) outlet, they provide the necessary flow to maximize torque and horsepower from your big block. Proudly Australian-made, these headers offer the precision fitment and durable construction required for high-horsepower street and strip applications.
Features:
This product offers the following high-performance features:
- Big Block Specific Design: Purpose-built for Chevrolet 396, 402, 409, 427, 454, and 496 Big Block V8 conversions.
- High-Flow Tri-Y Configuration: Designed to optimize low-to-mid range torque while maintaining high-end power.
- Heavy-Duty Construction: Features massive 2" (51mm) primary pipes and 2¼" (57mm) secondaries for maximum durability.
- Large 3" Outlet: Ensures minimal backpressure for high-displacement engines.
- Accessory Compatibility: Engineered to maintain clearance for Power Steering and Air Conditioning systems.
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH5340 | Gasket | DSF 23 |
| Primary Pipe | 2" (51mm) | Secondary Pipe | 2¼" (57mm) |
| P/Steering | Yes | Outlet | 3" (76mm) |
| Air Con | Yes | Fitting Time | 2 Hrs |
Important Notes:
- Mounting Requirements: These headers will only fit using HQ 350 Chev original engine mounting spacers or PACEMAKER spacers (Part Number: PEMP 350).
- Spacer Orientation: Spacers must be fitted on the correct side (RH spacer is 1¾” high, LH spacer is 1¼” high).
- Transmission Fitment: Compatible with both Manual and Automatic transmissions.
Important Information
- The image shown may not reflect the actual product
- Shipping times may vary depending on destination and stock availability
Vehicle Applications:
| Make | Model | From | To | Body | Series | Engine | Variant | Drivetrain |
|---|---|---|---|---|---|---|---|---|
| Holden | Kingswood / Premier / Monaro / Statesman | 1971 | 1984 | Sedan / Ute / Wagon / Coupe / 1-Tonner | HQ, HJ, HX, HZ, WB | Big Block Chev V8 (396-496) | Manual & Automatic | RWD |
| 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:
- 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