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Description
Hays Twister Full Race Torque Converter GM 4L80E, 2400-2800 RPM stall - 97-1J24FOverview: 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 |
|---|---|---|---|---|
| 2005 | Workhorse | FasTrack FT1801 | 364/6.0L V8 | |
| 2005 | Workhorse | FasTrack FT1461 | 364/6.0L V8 | |
| 2005 - 2007 | Isuzu | NPR-HD | 364/6.0L V8 | |
| 2005 - 2007 | Isuzu | NPR | 364/6.0L V8 | |
| 2005 - 2007 | GMC | Yukon XL 2500 | 364/6.0L V8 | |
| 2005 - 2007 | GMC | W4500 Forward | 364/6.0L V8 | |
| 2005 - 2007 | GMC | W3500 Forward | 364/6.0L V8 | |
| 2005 - 2006 | GMC | Sierra 3500 | 403/6.6L V8 | |
| 2005 - 2006 | GMC | Sierra 3500 | 364/6.0L V8 | |
| 2005 - 2006 | GMC | Sierra 2500 HD | 364/6.0L V8 | |
| 2005 - 2006 | GMC | Sierra 2500 HD | 403/6.6L V8 | |
| 2005 - 2006 | GMC | Sierra 1500 HD | 364/6.0L V8 | |
| 2005 | GMC | Sierra 1500 | 364/6.0L V8 | |
| 2005 - 2009 | GMC | Savana 3500 | 364/6.0L V8 | |
| 2005 - 2009 | GMC | Savana 2500 | 364/6.0L V8 | |
| 2005 | GMC | Savana 2500 | 325/5.3L V8 | |
| 2005 - 2007 | Chevrolet | W4500 Tiltmaster | 364/6.0L V8 | |
| 2005 - 2007 | Chevrolet | W3500 Tiltmaster | 364/6.0L V8 | |
| 2005 - 2007 | Chevrolet | Suburban 2500 | 364/6.0L V8 | |
| 2006 - 2009 | Chevrolet | Express 3500 | 364/6.0L V8 | |
| 2006 - 2009 | Chevrolet | Express 2500 | 403/6.6L V8 | |
| 2006 - 2009 | Chevrolet | Express 2500 | 364/6.0L V8 | |
| 2006 | Bentley | Azure | V8/6.8L | |
| 2006 - 2007 | Bentley | Arnage | V8/6.8L | |
| 2007 | GMC | Sierra 3500 Classic | 403/6.6L V8 | |
| 2007 | GMC | Sierra 3500 Classic | 364/6.0L V8 | |
| 2007 | GMC | Sierra 2500 HD Classic | 403/6.6L V8 | |
| 2007 | GMC | Sierra 2500 HD Classic | 364/6.0L V8 | |
| 2007 | GMC | Sierra 1500 HD Classic | 364/6.0L V8 | |
| 2006 - 2009 | GMC | Savana 3500 | 403/6.6L V8 | |
| 2006 - 2009 | GMC | Savana 2500 | 403/6.6L V8 | |
| 2007 | Chevrolet | Silverado 3500 Classic | 403/6.6L V8 | |
| 2007 | Chevrolet | Silverado 3500 Classic | 364/6.0L V8 | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 403/6.6L V8 | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 364/6.0L V8 | |
| 2007 | Chevrolet | Silverado 1500 HD Classic | 364/6.0L V8 | |
| 2006 - 2009 | Chevrolet | Express 3500 | 403/6.6L V8 | |
| 2006 | Chevrolet | Silverado 3500 | 403/6.6L V8 | |
| 2006 | Chevrolet | Silverado 3500 | 364/6.0L V8 | |
| 2006 | Chevrolet | Silverado 2500 HD | 403/6.6L V8 | |
| 2006 | Chevrolet | Silverado 2500 HD | 364/6.0L V8 | |
| 2006 | Chevrolet | Silverado 1500 HD | 364/6.0L V8 | |
| 2009 | GMC | Savana 4500 | 403/6.6L V8 | |
| 2009 | GMC | Savana 4500 | 364/6.0L V8 | |
| 2009 | Chevrolet | Express 4500 | 403/6.6L V8 | |
| 2009 | Chevrolet | Express 4500 | 364/6.0L V8 | |
| 2005 | Workhorse | P30 | 350/5.7L V8 | |
| 2005 | Workhorse | FasTrack FT1801 | 395/6.5L V8 | |
| 2005 | Workhorse | FasTrack FT1601 | 350/5.7L V8 | |
| 2005 | Workhorse | FasTrack FT1601 | 294/4.8L V8 | |
| 2005 | Workhorse | FasTrack FT1601 | 239/3.9L l4 | |
| 2005 | Workhorse | FasTrack FT1461 | 350/5.7L V8 | |
| 2005 | Workhorse | FasTrack FT1461 | 294/4.8L V8 | |
| 2005 | Workhorse | FasTrack FT1461 | 239/3.9L l4 | |
| 2005 | Workhorse | FasTrack FT1261 | 350/5.7L V8 | |
| 2005 | Workhorse | FasTrack FT1261 | 294/4.8L V8 | |
| 2005 | Workhorse | FasTrack FT1261 | 239/3.9L l4 | |
| 2005 | Workhorse | FasTrack FT1061 | 294/4.8L V8 | |
| 2005 - 2007 | Isuzu | NPR-HD | 317/5.2L l4 | |
| 2005 - 2007 | Isuzu | NPR | 317/5.2L l4 | |
| 2005 - 2006 | GMC | Yukon XL 2500 | 496/8.1L V8 | |
| 2005 - 2007 | GMC | W4500 Forward | 317/5.2L l4 | |
| 2005 - 2007 | GMC | W3500 Forward | 317/5.2L l4 | |
| 2005 - 2006 | GMC | Sierra 3500 | 496/8.1L V8 | |
| 2005 - 2006 | GMC | Sierra 2500 HD | 496/8.1L V8 | |
| 2005 - 2009 | GMC | Savana 3500 | 294/4.8L V8 | |
| 2005 - 2009 | GMC | Savana 2500 | 294/4.8L V8 | |
| 2005 - 2006 | GMC | Savana 2500 | 262/4.3L V6 | |
| 2005 - 2007 | Chevrolet | W4500 Tiltmaster | 317/5.2L l4 | |
| 2005 - 2007 | Chevrolet | W3500 Tiltmaster | 317/5.2L l4 | |
| 2005 - 2006 | Chevrolet | Suburban 2500 | 496/8.1L V8 | |
| 2006 - 2009 | Chevrolet | Express 3500 | 294/4.8L V8 | |
| 2006 - 2009 | Chevrolet | Express 2500 | 294/4.8L V8 | |
| 2006 | Chevrolet | Express 2500 | 262/4.3L V6 | |
| 2007 | GMC | Sierra 3500 Classic | 496/8.1L V8 | |
| 2007 | GMC | Sierra 2500 HD Classic | 496/8.1L V8 | |
| 2007 | Chevrolet | Silverado 3500 Classic | 496/8.1L V8 | |
| 2007 | Chevrolet | Silverado 2500 HD Classic | 496/8.1L V8 | |
| 2006 | Chevrolet | Silverado 3500 | 496/8.1L V8 | |
| 2006 | Chevrolet | Silverado 2500 HD | 496/8.1L V8 |
Specs:
| Anti-Balloon Plate | Yes |
|---|---|
| Balanced | Yes |
| Bolt Circle | 11.50" |
| Brand | Hays |
| Crank Pilot Diameter | 1.703" |
| Diameter | 9.6" |
| Emission Code | 5 |
| Input Spline | 35 |
| Lock Up/Overdrive | No |
| Product Type | Automatic Transmission Torque Converter |
| Series | Full Race |
| Stall | 2400-2800 |
| Transmission | 4L80E |
| Use with Power Adder | Yes |
| Use with Trans-Brake | Yes |
| Warning | California Proposition 65 |
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
4.5 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 4
Cute, comfortable waterproof boots (a little snug to put on)
Size: 7, Color: Velvet Tan/Gum 2
These are really cute Chelsea-style boots and feel very comfortable once they’re on. The waterproof material is great for wet weather and the sole feels sturdy with good traction. They look stylish enough to wear casually but still feel practical for rainy days.
The only downside is they can be a little difficult to put on at first because the opening is somewhat snug, but once they’re on they fit well and feel supportive. Overall they’re a great waterproof boot and I’ve enjoyed wearing them.
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Reviewed in the United States on March 17, 2026
★★★★★ 5
Surprisingly great for my wide feet and high instep!
Size: 10.5, Color: Velvet Tan/Gum 2
So thrilled I took a chance on these. Finding boots is impossible for me. I have wide feet, a super high instep, a bunion on one foot, and I wear a hard to find size (10.5). I ordered the 10.5 and 11 in these expecting I might need to size up for width (if I could even get them on). It was a struggle getting the 10.5s on the first time, and once I did they were somewhat uncomfortable on the top of my left foot. But I read that they would relax so decided to give it a go because I need waterproof boots for an upcoming trip and the 11s felt too long. After two days of light wear, they are already breaking in and I have no more discomfort. Getting them on is already easier and they are plenty wide enough and very comfortable to walk in. These are true to size. Super happy and worth a day of mild discomfort to break them in!
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Comfortable, sturdy, waterproof
Size: 9.5, Color: Black/Black
Loce, love, love these boots. Have walked ten miles with no foot pain around NYC. They go with everything and and are so comfortable. As they are waterproof/resistant, they get a little warm in high temps, but perfect three-season boots.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Super cute, comfortable, practical, love that they are slip on
Size: 10.5, Color: Tobacco/Black
I have worn these 2-3 times already. The first day was a school/work day so I was on my feet 9 hours and the only issue I had was with the side of the boot rubbing against my ankle. I just make sure I wear socks high enough to cover my ankles or jeans that go into the boots now for long wear days.
Absolutely love them! They keep my feet dry in this snow( we live in Michigan). I had been looking for a pair like this for awhile now and was getting super frustrated that I couldn't find my size in any that I liked. I saw that they had these available in a 10.5 and I wear 11. I looked at the Sorel website reviews (since the amazon ones weren't super helpful on sizing) and they said that the boots ran big so I took a chance on the 10.5 fitting me. They fit perfect. I have long narrow feet but I could see where they would be tight or uncomfortable on someone with wider feet. I've been trying to find a pair for my mom now since she has boot envy.
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Perfect for casual wear and dressy style
Color: Dark Green, Size: Small
This sweater is soooo soft and the color is so rich. The fit of it is perfect, not too tight and not too baggy, just right and I used the size guide to pick my size. Just for reference, I am 5'3" and 130lbs, 38C bust. It's well made and washes great. I chose to hang dry mine as I typically don't put any of my sweaters in the dryer to dry, just to fluff them. I have this one in two colors, the green and the tan/beige and I would say they are both a true representative of the color shown.
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Reviewed in the United States on November 15, 2025