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Description
Flowtech Tri-Y Header 1965-1970 Ford 260-289-302 V8 - 12120FLTOverview: Flowtech Headers are the perfect combination of quality and value. These Tri Y style headers fit the popular 1965 1970 Ford 260 289 302 V8 engines. These Tri Y style headers were originally designed for 1965 1966 Shelby GT350 Mustangs with a 289HiPo V8, 4 speed manual transmission, and manual steering. Over the years, Ford enthusiasts have used these headers in dozens of other vehicles to get that classic Shelby sound and performance. See
Overview:
Flowtech Headers are the perfect combination of quality and value. These Tri-Y style headers fit the popular 1965-1970 Ford 260/289/302 V8 engines. These Tri-Y style headers were originally designed for 1965-1966 Shelby GT350 Mustangs with a 289HiPo V8, 4-speed manual transmission, and manual steering.
Over the years, Ford enthusiasts have used these headers in dozens of other vehicles to get that classic Shelby sound and performance.
See Installation Notes for additional information regarding fitment details regarding these headers.
Features:
- Mandrel-bent tubes provide consistent tubing diameters for smooth flow and increases the cylinder scavenging effect and improves engine breathing
- Heavy duty 16-gauge tubing for increased strength and durability
- 1-1/2” diameter primary tubes, 1-3/4” diameter secondary tubes for increased exhaust flow increasing performance and improving throttle response
- 2-1/2” collector for maximum strength and exhaust flow
- 3/8” thick header flange for a leak-free seal and maximum strength
- Premium aluminum header gaskets included
- Available in a high heat resistant black paint or polished finish
Fitment Notes:
- Attempt to install in any other application WILL require some modification
- These headers will not fit vehicles utilizing an FMX, C-6, or AOD automatic transmission
- May not fit some vehicles utilizing a C-4 transmission with 164-tooth bellhousing.
- Those using a 157-tooth bellhousing with require some clearancing on RH side of bell
- Will NOT work on 351W motors. (Due to taller and wider engine dimensions)
- Will not work with GT40-P cylinder heads
- Headers will work with 10" or 10.5" clutch, use of a 1968-newer bellhousing will require clearance on LH side of bellhousing
- 1969-1970 model vehicles may require additional clearance for steering box
- Use of these headers on a non-HiPo model will require extra clearance for clutch linkage
Applications:
| Year | Make | Model | Engine | Fitment Notes |
| 1966-1968 | Ford | Bronco | 4.7L V8 289 CID | C4 Transmission Please See Above! |
| 1968-1970 | Ford | Bronco | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1965 | Ford | Custom | 4.3L V8 260 CID | T-10H, T-10M, T-10J, T-10L, C4 Transmissions Please Seee Above! |
| 1965 | Ford | Custom | 4.7L V8 289 CID | T-10H, T-10M, T-10J, T-10L, C4 Transmissions Please See Above! |
| 1966 | Ford | Custom | 4.7L V8 289 CID | T-10Q and C4 Transmissions Please See Above! |
| 1967 | Ford | Custom | 4.7L V8 289 CID | C4 Transmission Please See Above! |
| 1968-1970 | Ford | Custom | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1969-1970 | Ford | E-100 Econoline | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1969-1970 | Ford | F-100 | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1969-1970 | Ford | F-250 | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1965 | Ford | Fairlane | 4.7L V8 289 CID | T-10H, T-10M, T-10J, T-10L, C4 Transmissions Please See Above! |
| 1966-1967 | Ford | Fairlane | 4.7L V8 289 CID | C4 Transmission Please See Above! |
| 1968-1969 | Ford | Fairlane | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1965 | Ford | Galaxie | 4.7L V8 289 CID | T-10H, T-10M, T-10J, T-10L, C4 Transmissions Please See Above! |
| 1966-1967 | Ford | Galaxie | 4.7L V8 289 CID | C4 Transmission Please See Above! |
| 1968-1970 | Ford | Galaxie 500 | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1966-1967 | Ford | LTD | 4.7L V8 289 CID | C4 Transmission Please See Above! |
| 1968-1970 | Ford | LTD | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1965 | Ford | Mustang | 4.3L V8 260 CID | T-10H, T-10M, T-10J, T-10L, C4, Toploader Transmissions Please See Above! |
| 1965 | Ford | Mustang | 4.7L V8 289 CID | T-10H, T-10M, T-10J, T-10L, C4, Toploader Transmissions Please See Above! |
| 1966 | Ford | Mustang | 4.7L V8 289 CID | T-10Q, C4, Toploader Transmissions Please See Above! |
| 1967-1968 | Ford | Mustang | 4.7L V8 289 CID | C4 and Toploader Transmissions Please See Above! |
| 1968-1970 | Ford | Mustang | 5.0L V8 302 CID | C4 and Toploader Transmissions Please See Above! |
| 1965-1967 | Ford | Ranchero | 4.7L V8 289 CID | C4 Transmission Please See Above! |
| 1968-1970 | Ford | Ranchero | 5.0L V8 302 CID | C4 Transmission Please See Above! |
| 1968-1970 | Ford | Torino | 5.0L V8 302 CID | C4 Transmission Please See Above! |
Specs:
| Brand | Flowtech |
|---|---|
| Bolt Size | 3/8-16 x 3/4 |
| CARB (California) Compliant | No |
| Collector Diameter | 2.50 inch |
| Header Finish | Polished |
| Header Style | Tri-Y |
| Material | Mild Steel |
| Primary Tube Dia. | 1-1/2 inch |
| Product Type | Headers |
Emissions:
- This part is legal for sale or use on Racing Use Only Vehicles
- The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
- WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
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
4.1 ★★★★★
Based on 1382 reviews
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Product Reviews
★★★★★ 4
German Shepard destroy
Size: Medium (Pack of 1), Color: Orange Gecko, Size: Medium (Pack of 1), Color: Orange Gecko
We've been playing with this lizard for a month now and the fabric has been ripped off within first few days but my dog hasn't got to the squeakers yet.
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Reviewed in the United States on June 10, 2026
★★★★★ 5
This worm, pretty sure it’s a worm and not a snake, can take a lot of abuse.
Size: X-Large (Pack of 1), Color: Blue Snake, Size: X-Large (Pack of 1), Color: Blue Snake
Snake, worm, whatever, my dog doesn’t care, she loves it all the same. My little friend can be kinda rough with her toys. This is no exception. The pictures are from roughly one month of giving it to her and include playing with it at least every other day or so. The top is holding up well, but the bottom has taken some damage, and two of the squeakers have long since been destroyed. Despite this, my dog still loves playing with it. We normally play tug of war together, but on her own she chews at it to get to the squeakers inside, which she promptly destroys, which I’m totally fine with, as quiet toys are much preferred, by me, not her. I believe there are 4 in the XL size that we got. We’ve had a few of these in the past. We tend to get about 6 months out of them. After she “lovingly” removes the squeakers, she doesn’t chew on it much, and we just use it for tug of war, but at that point she’s done enough damage to the underside that its time is limited. But, as it’s pretty low priced, for the time and enjoyment we do get out of it, it’s very much worth it. I do need to clarify, the durability is actually quite good, I don’t fault the product as at all, it’s just my dog is equally as good with destruction, but it should be noted this toy does last much longer than most of her victims. The color, (we got the blue and green) is also very vivid and nice, as is the texture. We’ll be purchasing again.
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Reviewed in the United States on September 23, 2024
★★★★★ 5
Awesome toy!
Size: X-Large (Pack of 1), Color: Blue Snake
My pitbull Stella loves these! Ive bought her two of the smaller snake toys in the past and she Absolutly loves them! The first one lasted about 6 months which is a lifetime compared to how long her other toys last lol and the second one lasted about the same. This time I decided to get the XL version. It has 6 squeakers instead of 3 like the smaller versions. I picked the teal and purple colors and it's like 43 inches long I think. Its the same length as her and shes a large size dog. She loves this thing! Its so cute watching her squeak each of the squeakers with her nose.
While this is a great toy it is not chew proof. In fact its quite easy for an experienced chewer to get into this toy. It is relatively strong but it wont stand a chance with a power chewer. Like I said this is the third one of these I have bought in roughly a year. They do last longer then more soft toys I will give them that. This is the only soft toy she has not destroyed in 5 mins. But after a week or so at least one squeaker will be missing.
For the average dog one of these snake toys will last a really long time and they are fun to play with. We play tug of war and fetch with it. Stella also loves when I squeak the toy she will squeak it back and we'll go back and forth for hours lol. One last thing it is loud! If noisy toys bug you, don't get this. The sqeakers are industrial strength lol
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Reviewed in the United States on February 7, 2021
★★★★★ 4
Durable toy but definitely NOT invincible
Size: Medium (Pack of 1), Color: Orange Gecko
BACKGROUND
I have two labradors and, with my friends dogs over, we have a combined combination of five labradors at a time. If you have seen the film "Marley & Me" then you will understand our dogs. They tear through concrete, dry wall, and, well, just about anything they can get their paws and mouths on. It is very important to have plenty of toys for them to keep pre-occupied as most of the destruction is caused by dogs that are bored.
Unfortunately, many items are not able to withstand this combined destructive force. I spotted these "Invincible" line of toys and thought they were worth a try. I ended up ordering basically one of every style and size.
APPEARANCE
The toys come in different sizes, colors, and shapes. The most common are the Gecko and the Snake. The toys are covered with a more durable cloth that is fuzzy and suppose to withstand quite a bit of chewing. Inside the toys are what are described as durable squeakers that, if punctured, will still squeak even after hours of being bitten and chewed upon. The larger the toy ordered, the more squeakers that are sewn into the toy.
RELIABILITY
I have to admit these toys did last about ten times as long as any other toy I have given my dogs. Unfortunately, nothing is indestructible. My dogs managed to find kinks in the lining of the toys that, once penetrated, will cause the toys to open leaving stuffing and squeak toys all over the place. The squeakers did withstand quite a bit of chewing before the squeaking went silent.
I noticed that the snake toy did last quite a bit longer than the gecko or the little dragon characters. The snake had separate compartments for the squeakers and so, if one was torn out, the others survived. On the Gecko once its middle section was torn open the squeakers were lost.
CUSTOMER SUPPORT
Not utilized
PROS:
++ Lasted about 10X times the length of time as other "invincible" toys
CONS:
++ They are not truly "invincible" and will be destroyed over time
CONCLUSION
The invincible line of toys did last a lot longer than most toys that I have purchased for my labradors. I would recommend the snake over the gecko or other styles. I have had to toss the geckos as they were shredded but the snakes are still with me to this day six months later. Also note, even though "Invincible" is in the title, these toys are definitely not although you will save an incredible amount purchasing these toys once and having a gradual destruction process versus having to buy new toys continuously over the same period of time that these lasted.
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Reviewed in the United States on October 18, 2012
★★★★★ 3
The toy is no match for my dogs.
Size: Large (Pack of 1), Color: Pink Snake
The toy itself is well made and the squeaker work well. Unfortunately, it only lasted about 2 weeks before my Treeing Walker Coonhound pup (super chewer) had it shredded. My Plott hound ( heavy chewer) just loved these! She is older and they last longer for her. However she does love to go for the seems first then rips out the squeaker. But she will carry it around for months like that. I think she like the material. I'll probably go back to Walmart for the smaller cheaper ones for now.
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Reviewed in the United States on April 8, 2026