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Description
Pacemaker | Tri-Y V8 Competition Header | Chrysler Valiant VE-CM 340-360 J Heads | PH2560 L/RPacemaker Tri Y Design V8 Competition Headers Chrysler Valiant VE CM 340 360 (J Heads) PH2560 L R Transform the performance of your small block Mopar with these heavy duty Pacemaker Tri Y competition headers. Engineered specifically for Chrysler Valiant models from VE through to CM fitted with 340 or 360 V8 engines (J Heads), these headers are designed to maximize exhaust flow and scavenging. The Tri Y configuration provides a significant boost in mid
Pacemaker Tri-Y Design V8 Competition Headers - Chrysler Valiant VE-CM 340-360 (J Heads) - PH2560 L/R
Transform the performance of your small block Mopar with these heavy-duty Pacemaker Tri-Y competition headers. Engineered specifically for Chrysler Valiant models from VE through to CM fitted with 340 or 360 V8 engines (J Heads), these headers are designed to maximize exhaust flow and scavenging. The Tri-Y configuration provides a significant boost in mid-range torque, making it an essential upgrade for street-performance and competition-ready Valiants.
Features:
This product offers the following high-performance features:
- Tri-Y Header Design: Tuned to enhance exhaust scavenging and optimize low-to-mid range torque for V8 performance.
- Large Diameter Primaries: Features 1¾" (44mm) primary pipes and 2" (51mm) secondary pipes for superior flow.
- High-Flow Outlet: Large 3" (76mm) outlet to handle the high volume of exhaust gases from performance-built 340-360 engines.
- Compatibility: Designed to clear Power Steering and Air Conditioning systems.
Product Specifications for PH2560 L/R
| Feature | Value | Feature | Value |
|---|---|---|---|
| Part # | PH2560 | Gasket | DSF 148 |
| P/Steering | Yes | Primary Pipe | 1¾" (44mm) |
| Air Con | Yes | Secondary Pipe | 2" (51mm) |
| Oxy Sen | N/A | Outlet | 3" (76mm) |
| Fitting Time | 3½ Hrs | Design | TRI-Y |
Important Notes:
- Oil Filter: A Remote Oil Filter Relocation Kit must be used. The standard oil filter will not fit with these headers installed.
- Transmission: Specifically for Automatic transmissions only. Modification to the automatic column linkage is necessary.
- Engine Compatibility: Will NOT fit Chrysler CL models manufactured after engine number A221401167.
- Heads: Optimized for 340-360 V8 engines fitted with J Heads.
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 |
|---|---|---|---|---|---|---|---|---|
| Chrysler | Valiant / Regal / Charger | 1967 | 1981 | Sedan / Coupe / Wagon / Ute | VE-VF-VG-VH-VJ-VK-CL-CM | 340-360 V8 (J Heads) | Automatic Only | 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
4.6 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Very good
Style: 18", Color: Grey, Size: Queen
I recently purchased this inflatable mattress from Amazon, and I’m honestly very impressed with the quality and comfort. It inflated quickly and was very easy to set up. The material feels durable and strong, and the mattress stayed fully inflated throughout the entire night without losing a
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Reviewed in the United States on May 19, 2026
★★★★★ 5
This is a very good air mattress
Style: 13”, Color: Grey, Size: Twin
I love this mattress so much I work overnights and I needed something to sleep on so I bought this mattress and it was the best mattress ever it’s so comfortable I purchased it Dec 24th2025 and it’s now starting to deflate I can’t find any holes in it but I still use it. I’m not gonna get rid of it because I can still sleep on it I just need to inflate it two times throughout the night it doesn’t bother me because it’s so comfortable. I’m not gonna lie I did purchase another one. But I’m 125 lb but the grands can sleep on it when they stay over so I will be keeping it. This is a really good air mattress well worth your money.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Decent air mattress if you take care of it
Style: 22", Color: Grey, Size: Queen
I’ve been buying this air mattress, and its previous model, for the last four years. I used to go camping and attend festivals about six times a year, and I wasn’t particularly nice to my air beds. Most of the time I didn’t fold them back up neatly or put them in the storage bag. I’d just deflate them, throw them in the car, and head to the next event. Even with that treatment, they held up surprisingly well.
I was nervous about buying the new version with the redesigned inflate/deflate module, but on a whim I decided to give it a try.
I used it during a five-night camping trip near Tygh Valley, Oregon at the end of May 2026, where temperatures ranged from about 85°F during the day to around 40°F at night.
Did it lose some air over the weekend? Yes. Was it enough to bother me? No. In fact, over the entire five-night trip, I only had to add air once. Considering the temperature swings, I was impressed with how well it held up.
The new model does seem to take a little longer to deflate than the older versions, but that’s a minor complaint. Overall, I’m very happy with it.
I’ve had good luck with these mattresses over the years, and this new version seems just as solid as the previous model.
I would absolutely recommend this mattress and will continue buying this model when it’s time to replace mine.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Better than our actual mattress!!
Style: 22", Color: Grey, Size: Queen, Style: 22", Color: Grey, Size: Queen
Purchased for company to stay with us in our apartment. I honestly had no idea they made air mattresses this tall until I saw a friend with one!
My husband and I tested it out last night. We were both really impressed!
1. Really easy to inflate! First time having an internal air pump. No more forgetting the pump! The motor wasn’t nearly as loud as our previous air pump! I was able to talk to my husband and he could still hear me over the pump running.
2. Really comfortable and supportive! We chose not to inflate it fully so it contoured to our bodies better. We slept on the mattress with no sheets and I wasn’t able to feel the creases in the top which was nice. No issues with sagging and we both didn’t wake up smooshed in the middle. My husband got up in the middle of the night and I didn’t notice. So movement of the mattress is minimal! Easy to get on and off with the 22” height.
3. Easy to deflate! We followed the instructions for folding and we got it in the storage bag with no issues. Just make sure all of the air is out before you fold it.
4. High quality! We had both of our small dogs on this with us. I was afraid of their nails poking a hole but so far so good! Only a little bit of air leaked out but it could’ve been the material stretching out during the night.
Cons: The pump does not shut off automatically when inflating or deflating. So keep an eye on it so it doesn’t overfill. The mattress does get cold at night. My husband and I both mentioned that in the morning. I had to roll up in my blanket to stay warm. I’ll try sheets on next time. In the summer it might not be that big of an issue. Ours came with one patch. Hopefully we won’t need to use it.
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Reviewed in the United States on March 15, 2026
★★★★★ 5
A lot of comfort for a very inexpensive price
Style: 18", Color: Grey, Size: Twin
We needed a spare mattress, but didn’t want to have a dedicated spare bedroom but wanted a comfortable bed. Couldn’t afford these high priced mattresses these days like the air beds or luxury coil spring with gel which are thousands of dollars. Miss air mattresses, very comfortable and adorable and I like the flocked top on it. And it has the self inflatable pump which is very easy and inconvenient.This makes a very inexpensive alternative. Even if it only lasts 6 months or so you can buy a whole lot of these for a lot less money than thousands of dollars for the other beds. In tax is a wonderful brand. I’ve bought it many times. Their vinyl material is very thick and durable. Intex makes flotation devices, blowup rafts, beach floaties, Kayaks, etc.
They have an excellent product & know what they’re doing.
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Reviewed in the United States on April 18, 2026