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Description
Hays Twister Full Race Torque Converter, Ford C4 - 97-2E28FOverview: Hays Twister Full Race Torque Converters feature a custom designed anti balloon plate to stop any converter ballooning and swelling in racing situations. These torque converters are designed for use with a trans brake and great for power adders such as nitrous, superchargers, and turbos. They are available with various RPM stall speed offerings to accommodate any mixture of modifications including higher compression ratios, aftermarket
Overview:
Hays Twister Full Race Torque Converters feature a custom designed anti-balloon plate to stop any converter ballooning and swelling in racing situations. These torque converters are designed for use with a trans-brake and great for power adders such as nitrous, superchargers, and turbos. They are available with various RPM stall speed offerings to accommodate any mixture of modifications including higher compression ratios, aftermarket camshafts, aftermarket cylinder heads, lower gear ratios, and vehicle weight loss.
Features:
- All Full Race series converters are built, tested, and proven to support up to 1,000 horsepower
- Features a custom anti-balloon plate designed to stop potential torque converter ballooning
- Designed to handle the extreme shock and abuse of trans-brakes, nitrous oxide, superchargers, and turbochargers
- State of the art Spray Welding process is used in select areas. Spray Welding provides clean, strong and consistent fusion while also increasing strength through hardening from higher process temperature
- Each converter is hand-built and inspected in every step of assembly to ensure top of the line quality
- All Hays torque converters are internally welded compared to brazing. Testing has shown welding provides longer converter life while also enhancing consistency
- Heavy duty Torrington bearings are used for greater strength and durability
- Stators are chosen with high flow vents and channels to promote cooling in heat producing higher horsepower applications
- Increased horsepower and acceleration due to a weight saving, one application design. Almost all Hays converters are built for one application to reduce weight compared to a multi-bolt pattern converter.
- Full Race series torque converters are offered in several different stall speeds for popular automatic transmissions
- Industry leading Tech Support Team is available to provide assistance with stall speed selection
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1977 | Mercury | Monarch | 351/5.8L V8 | |
| 1977 - 1979 | Ford | LTD II | 351/5.8L V8 | |
| 1977 - 1980 | Ford | LTD | 351/5.8L V8 | |
| 1977 | Ford | Granada | 351/5.8L V8 | |
| 1977 | Ford | F-350 | 351/5.8L V8 | |
| 1977 | Ford | F-350 | 300/4.9L l6 | |
| 1977 - 1979 | Mercury | Cougar | 351/5.8L V8 | |
| 1977 | Lincoln | Versailles | 351/5.8L V8 | |
| 1977 - 1979 | Ford | Thunderbird | 351/5.8L V8 | |
| 1977 - 1979 | Ford | Ranchero | 351/5.8L V8 | |
| 1977 | Ford | F-250 | 351/5.8L V8 | |
| 1977 | Ford | F-250 | 300/4.9L l6 | |
| 1978 | Ford | F-150 | 300/4.9L l6 | |
| 1978 | Ford | F-150 | 351/5.8L V8 | |
| 1978 | Ford | F-100 | 351/5.8L V8 | |
| 1978 - 1981 | Ford | F-100 | 300/4.9L l6 | |
| 1980 | Mercury | Marquis | 351/5.8L V8 | |
| 1980 | Mercury | Grand Marquis | 351/5.8L V8 | |
| 1977 - 1980 | Mercury | Monarch | 302/5.0L V8 | |
| 1977 - 1980 | Mercury | Monarch | 250/4.1L l6 | |
| 1977 | Mercury | Monarch | 200/3.3L l6 | |
| 1977 - 1978 | Ford | LTD II | 400/6.6L V8 | |
| 1977 - 1979 | Ford | LTD II | 302/5.0L V8 | |
| 1977 - 1978 | Ford | LTD | 460/7.5L V8 | |
| 1977 - 1978 | Ford | LTD | 400/6.6L V8 | |
| 1977 - 1980 | Ford | LTD | 302/5.0L V8 | |
| 1977 - 1980 | Ford | Granada | 302/5.0L V8 | |
| 1977 - 1980 | Ford | Granada | 250/4.1L l6 | |
| 1977 - 1981 | Ford | Granada | 200/3.3L l6 | |
| 1977 | Ford | F-350 | 460/7.5L V8 | |
| 1977 | Ford | F-350 | 400/6.6L V8 | |
| 1977 | Ford | F-350 | 302/5.0L V8 | |
| 1977 - 1978 | Mercury | Cougar | 400/6.6L V8 | |
| 1977 - 1981 | Mercury | Cougar | 302/5.0L V8 | |
| 1977 | Mercury | Comet | 302/5.0L V8 | |
| 1977 | Mercury | Comet | 250/4.1L l6 | |
| 1977 | Mercury | Comet | 200/3.3L l6 | |
| 1977 - 1979 | Mercury | Capri | 171/2.8L V6 | |
| 1977 - 1981 | Mercury | Capri | 140/2.3L l4 | |
| 1977 - 1979 | Mercury | Bobcat | 171/2.8L V6 | |
| 1977 - 1980 | Mercury | Bobcat | 140/2.3L l4 | |
| 1977 - 1980 | Lincoln | Versailles | 302/5.0L V8 | |
| 1977 - 1978 | Ford | Thunderbird | 400/6.6L V8 | |
| 1977 - 1981 | Ford | Thunderbird | 302/5.0L V8 | |
| 1977 - 1978 | Ford | Ranchero | 400/6.6L V8 | |
| 1977 - 1979 | Ford | Ranchero | 302/5.0L V8 | |
| 1977 | Ford | Ranchero | 460/7.5L V8 | |
| 1977 - 1979 | Ford | Pinto | 171/2.8L V6 | |
| 1977 - 1980 | Ford | Pinto | 140/2.3L l4 | |
| 1977 - 1978 | Ford | Mustang II | 302/5.0L V8 | |
| 1977 - 1978 | Ford | Mustang II | 171/2.8L V6 | |
| 1977 - 1978 | Ford | Mustang II | 140/2.3L l4 | |
| 1977 | Ford | Maverick | 302/5.0L V8 | |
| 1977 | Ford | Maverick | 250/4.1L l6 | |
| 1977 | Ford | Maverick | 200/3.3L l6 | |
| 1977 | Ford | F-250 | 460/7.5L V8 | |
| 1977 | Ford | F-250 | 400/6.6L V8 | |
| 1977 | Ford | F-250 | 302/5.0L V8 | |
| 1978 - 1979 | Mercury | Zephyr | 302/5.0L V8 | |
| 1978 - 1981 | Mercury | Zephyr | 200/3.3L l6 | |
| 1978 - 1981 | Mercury | Zephyr | 140/2.3L l4 | |
| 1978 | Ford | F-150 | 460/7.5L V8 | |
| 1978 | Ford | F-150 | 400/6.6L V8 | |
| 1978 | Ford | F-150 | 302/5.0L V8 | |
| 1978 | Ford | F-100 | 400/6.6L V8 | |
| 1978 - 1981 | Ford | F-100 | 302/5.0L V8 | |
| 1978 - 1979 | Ford | Fairmont | 302/5.0L V8 | |
| 1978 - 1981 | Ford | Fairmont | 200/3.3L l6 | |
| 1978 - 1981 | Ford | Fairmont | 140/2.3L l4 | |
| 1979 | Mercury | Capri | 302/5.0L V8 | |
| 1979 - 1981 | Mercury | Capri | 200/3.3L l6 | |
| 1979 | Ford | Mustang | 302/5.0L V8 | |
| 1979 - 1981 | Ford | Mustang | 200/3.3L l6 | |
| 1979 | Ford | Mustang | 171/2.8L V6 | |
| 1979 - 1981 | Ford | Mustang | 140/2.3L l4 | |
| 1980 - 1981 | Mercury | Zephyr | 255/4.2L V8 | |
| 1980 - 1981 | Ford | Granada | 255/4.2L V8 | |
| 1980 - 1981 | Ford | Fairmont | 255/4.2L V8 | |
| 1980 - 1981 | Mercury | Cougar | 255/4.2L V8 | |
| 1980 - 1981 | Mercury | Cougar | 200/3.3L l6 | |
| 1981 | Mercury | Cougar | 140/2.3L l4 | |
| 1980 - 1981 | Mercury | Capri | 255/4.2L V8 | |
| 1980 - 1981 | Ford | Thunderbird | 255/4.2L V8 | |
| 1980 - 1981 | Ford | Thunderbird | 200/3.3L l6 | |
| 1980 - 1981 | Ford | Mustang | 255/4.2L V8 | |
| 1981 | Ford | Granada | 140/2.3L l4 | |
| 1981 | Ford | F-100 | 255/4.2L V8 | |
| 1980 | Mercury | Monarch | 255/4.2L V8 | |
| 1980 | Mercury | Marquis | 302/5.0L V8 | |
| 1980 | Mercury | Grand Marquis | 302/5.0L V8 |
Specs:
| Anti-Balloon Plate | Yes |
|---|---|
| Balanced | Yes |
| Bolt Circle | 10-1/2" |
| Brand | Hays |
| Crank Pilot Diameter | 1.375" |
| Diameter | 10" |
| Emission Code | 5 |
| Input Spline | 26 |
| Lock Up/Overdrive | No |
| Product Type | Automatic Transmission Torque Converter |
| Series | Full Race |
| Stall | 2800-3200 |
| Transmission | C4 Case-Filled |
| Use with Power Adder | Yes |
| Use with Trans-Brake | Yes |
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 19 reviews
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Product Reviews
★★★★★ 5
Fit and colors are perfect
Color: Black, White, Apricot, Size: Large
They fit very well, I got them for my husband and he was very excited for the style & fit i am actually going to buy him another pack
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2025
★★★★★ 1
Fuzzballs get wearing once
Color: Black, Size: X-Large
Very smart to wear, but the quality is terrible so after one wash the collar start fraying and fuzzballs start forming.
Very disappointing.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Amazing quality and well worth it!!!
Color: Black
Great watch! My son saw his friend have and was impressed so I got him one! This one doesn’t have a connection point from the band to the watch so it can’t break there which has been the issues with all his other watches. This is easy to setup and use! It worked so great that I got one for my other son! They both say the size and options are perfect! Highly recommend!
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Great classic timepiece
Color: Black/Digital Gray/Silver-Tone, Color: Black/Digital Gray/Silver-Tone
I’ve been using the Timex Men’s Ironman Triathlon Classic 30 (38mm) for a while now, and it’s easily one of the most dependable watches I’ve owned. The design is simple but functional — lightweight, comfortable, and perfect for workouts, outdoor activities, or just daily wear.
The Indiglo backlight is super bright and makes it easy to read in the dark, and the buttons are responsive without feeling flimsy. The stopwatch and countdown timer features are straightforward and accurate, which I really appreciate for timing workouts. I also like that it’s water-resistant, so I never have to worry about it in the rain or while swimming.
The 38mm size is just right — not too bulky, but still sporty and easy to read. The battery life is excellent, and the Timex durability definitely shows; this watch can take a beating and still look good.
If you want something rugged, affordable, and practical, the Ironman Classic 30 is a solid choice. It’s a no-nonsense watch that does exactly what it’s supposed to — and does it well.
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Reviewed in the United States on November 2, 2025
★★★★★ 5
Lightweight, Options, and Ease of Use Make this a Great Watch
Color: Black
I have purchased many Timex watches over the years and I am entirely satisfied with this watch. I always buy the sports watch, as I swim and do triathlons.
Things I like about the watch:
*Setting the watch is easy and the instructions are clear (although the printed instructions are very small!)
* The watch is not too big. So many watches have too many features and they are large, bulky, and heavy. This watch is sleek, has a low profile, and has a size that is ideal for average needs.
* The numbers are big enough to see easily at a glance.
* There are enough useful options, and this watch is not overloaded with too many options. Too many options are confusing to me. I like the simplicity of this watch and the ease of use of the options it has.
* I like the plastic watch band. I have tried the velcro strap bands and they wear out after a year or so of use. The plastic band will eventually break, but is fairly easy to replace.
* I like the price. At less than 35 dollars I have everything I need in a watch.
* I like and use frequently the Indiglo feature. I have even used Indiglo to find my way to the bathroom at night from bed! The light on the dial is bright enough to make your way through the dark for a short trip!
Things I don't like:
There is not much I don't like about this Timex watch. I suppose my biggest complaint about this watch and any Timex watch is the difficulty in changing the battery. The battery will eventually need replacement, and of course one has to take off the back of the watch to replace the battery. This is tricky and takes a steady hand. I wish Timex would make the battery more accessible so changing the battery would be as easy as sliding one in or out of a hinged door (like on a hearing aid).
Obviously, there is much more to like about this watch than not like. I do recommend it for a good sport watch. It will withstand chlorine pools, lake water, rainfall, high and low temperatures, but be careful not to scratch the dial window! I scratched the main window crystal and ruined my last watch. Avoid spraying any kind of bug repellant on the window as well, as this can mar (dull) the surface.
For me, this watch meets all my needs and I give it a 5-star rating. My needs are faily simple. There are certainly other watches that offer more features, but to me, the added features add complexity and are not worth the added bother.
The price is good. The watch is good quality. This is a good buy.
Jim "Konedog" Koenig
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Reviewed in the United States on May 23, 2008
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