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Description
Pacemaker | Tri-Y Performance Headers | Toyota Landcruiser HJ45-75 4L 2H Diesel | PH12640 KitPacemaker Tri Y Performance Headers Toyota Landcruiser HJ Series 4. 0L 2H Diesel PH12640 Kit Unlock better breathing and improved torque for your classic Toyota diesel with these rugged Pacemaker Tri Y performance headers. Specifically designed for the legendary 4. 0 Litre 2H diesel engine found in the HJ45, HJ47, HJ60, and HJ75 Landcruiser series, these headers are engineered to optimize exhaust scavenging. By replacing the stock manifold, these
Pacemaker Tri-Y Performance Headers - Toyota Landcruiser HJ Series 4.0L 2H Diesel - PH12640 Kit
Unlock better breathing and improved torque for your classic Toyota diesel with these rugged Pacemaker Tri-Y performance headers. Specifically designed for the legendary 4.0 Litre 2H diesel engine found in the HJ45, HJ47, HJ60, and HJ75 Landcruiser series, these headers are engineered to optimize exhaust scavenging. By replacing the stock manifold, these headers reduce backpressure, allowing your engine to operate more efficiently, which is particularly beneficial for heavy towing and off-road work. Built with Pacemaker’s renowned quality, these headers are designed to endure the toughest Australian environments while providing a precise fit within the chassis.
Features:
This product offers the following performance features:
- Tri-Y Design: Specifically tuned to enhance low-to-mid range torque, ideal for the 2H diesel engine.
- Robust Pipe Sizing: Features 1⅝" (41mm) primary pipes and 1⅞" (48mm) secondary pipes for steady exhaust flow.
- Standard Outlet: Finished with a 2¼" (57mm) outlet for easy integration with your exhaust system.
- Durable Construction: High-quality materials designed to resist heat and vibration in 4WD applications.
- Accessory Friendly: Fully compatible with both Power Steering and Air Conditioning.
Product Specifications for PH12640 Kit
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH 12640 | Gasket | DSF 53 |
| Primary Pipe | 1⅝" (41mm) | Secondary Pipe | 1⅞" (48mm) |
| P/Steering | Yes | Outlet | 2¼" (57mm) |
| Air Con | Yes | Fitting Time | 1½ Hrs |
Important Notes:
- Fitment Type: This kit is designed for "Inside Chassis" fitment.
- Transmission: Specifically designed for Manual transmission models.
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 |
|---|---|---|---|---|---|---|---|---|
| Toyota | Landcruiser | 1980 | 1990 | Cab Chassis / Wagon | HJ45, HJ47, HJ60, HJ75 | 4.0L 2H Diesel | Manual Only | 4WD |
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
4.6 ★★★★★
Based on 74 reviews
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Product Reviews
★★★★★ 4
Smell
Size: Queen (2 Count), Color: Original White (Cooling)
The fact that there are not more comments on the smell of these pillows has me worried about some of yall. Listen, I LOVE the weight, and the firmness, it’s perfect for that. However, these pillows are RANK. They have a very strong mildew-ish smell that lingers. I took the outer cover off and washed it and let the pillow air out for a few days, the smell is still very strong when you press your face against it, which one does because it is in fact designed for that purpose. It smells so bad. It’s nauseating. I can smell it through two pillowcases and blanket that I threw on top of them hoping an extra layer would trap the smell. I’ll bake them in the Texas sun tomorrow and hope that helps, because otherwise these are the perfect pillows for someone who wants to feel like they are hugging a torso but can’t stand the sound/feel of someone else breathing. I don’t know…4 stars, if the smell goes away I’ll come back.
Update: many many days later. Either they don’t really smell anymore or I got use to it. They’ve held their firmness and shape well. I like them.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Actually Cooling Pillow
Size: Queen (1 Count), Color: Original White (Cooling)
This is a really nice pillow, I was worried it would be too soft or too firm but it's just right and it's actually cooling, it feels cool every time I touch it. I've noticed an improvement in sleep since using it. Would recommend!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Repurchased in King Size – Still Love These Cooling Pillows
Size: King (2 Count), Color: Original White (Cooling), Size: King (2 Count), Color: Original White (Cooling)
After using the queen-size version of these pillows for over a year, we purchased the king-size set when we upgraded to a king mattress. Both my husband and I really like them.
The cooling feature works well, and we like that each side feels different—when I run cold, I use the softer bamboo side, while my husband prefers the cooler side since he tends to sleep hot. They fit well in our king-size pillowcases and feel supportive in all sleeping positions, whether I’m on my stomach, side, or back.
I also appreciate that you can remove some of the filling to adjust the firmness. The covers are washable, which makes them easy to maintain. Overall, we’re very happy with this repurchase and the long-lasting comfort.
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Reviewed in the United States on April 15, 2026
★★★★★ 3
Not great at cooling
Size: Queen (2 Count), Color: Original White (Cooling)
Each pillow cover has 2 sides, one marked for cooling, and the other a different fabric. The cooling side is about the same effectiveness as having a silk or satin pillow cover. It's only cool when you first touch it. The cooling side doesn't seem to absorb or wick moisture, so if you are sweaty - it keeps the moisture in place. You'll definitely want a regular pillow case over the pillow cover. In fact, if you suffer from night sweats, the non-cooling side is actually more comfortable. The pillow fill is ample, and simple to squish around for more support for your neck, etc. Think bean bag. But it will retain your impression after use. I find I need to do as I did when I had down pillows - give it a few good shakes in the morning when I make the bed to get it evened out for the coming night. In all, it is a well-made and comfortable pillow to sleep on, but it does not excel in cooling.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
excellent pillows i bought two sets!!
Size: Firm Queen (2 Count), Color: Original White (Cooling)
I ordered these for my son who has neck issues and has gone through so many pillows trying to find one that he liked. They’re heavy, so i was worried that they might be “too” heavy to be able to sleep on comfortably, so I ordered a second set, one firmer than the other (just in case) and gave him a set for Xmas and he loved the first set so much without even trying the less firm ones.He also needs the cooling factor and these offered that, too. They are filled with pieces of memory foam (tons of it) and each pillow can be modified by removing some of the foam. The covers are beautiful, high quality fabric with a zipper so ts easy to remove or replace the foam pieces. The size is perfect and they keep their shape. I kept the second set i ordered rather than returning them and i love the pillows. I actually modified two by removing some of the foam pieces. I kept the foam pieces in a zippered pillow protector and i can always adjust mine when or if i need to.
1000% love these.
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Reviewed in the United States on March 22, 2026
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