Installation Time
(approx) 4 Hours
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
No guide available for this part yet.
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Hays Twister 3/4 Race Torque Converter; 11-1/8-Inch Bolt Pattern; 3600-4200 RPM Stall (99-13 Sierra 1500)Find parts that fit my vehicle
Item S559311
Our Price
$999.95
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- 9.6 Inch Diameter Torque Converter With Lock-Up 30 Spline Input
- 300mm LS Engine Only
- 11-1/8 Inch Bolt Pattern
- 3600-4200 RPM Stall
- Supports Up To 650 Horsepower
- State Of The Art Spray Welding Process For Increased Strength
- Hand-Built And Inspected For Quality
- All Converters Are Internally Welded For Longer Life
- Heavy Duty Torrington Bearings For Durability
- Stators With High Flow Vents For Enhanced Cooling
- Weight Saving, One Application Design
- Offered In Multiple Stall Speeds For GM Transmissions
- Recommended Use Without Nitrous Oxide Or Trans-Brakes
- Use With External Transmission Cooler With Minimum 18,000 GVW Or 15,000 BTU Rating
- Balanced Design
- Does Not Use Anti-Balloon Plate
- Crank Pilot Diameter 1.703 Inches
- Emission Code 5
- Use With 4L60E And 4L65E Transmissions
- Not Designed For Use With Power Adders
- Not Designed For Use With Trans-Brake
- Fits 1999-2013 GMC Sierra 1500
Description
Performance Torque Converter. The Hays Twister 3/4 Race Torque Converter with an 11-1/8-Inch bolt pattern and 3600-4200 RPM stall is engineered to deliver strong acceleration and enhanced horsepower support for street and strip applications. It effectively transfers engine power to the transmission, optimizing vehicle performance under various modifications such as aftermarket cams and heads.
Construction and Appearance. Featuring a 9.6-inch diameter, this torque converter is hand-built with precision and utilizes a state-of-the-art spray welding process for superior strength and durability. It incorporates heavy-duty Torrington bearings and high-flow vented stators designed to manage heat in high horsepower setups. The converter is built with a balanced design and does not use an anti-balloon plate, maintaining consistent performance.
Installation. Installation requires standard transmission service procedures with no special drilling or modifications necessary. This converter fits applications using GM 4L60E and 4L65E transmissions, making installation straightforward for those models.
Application. Designed to fit 1999 to 2013 GMC Sierra 1500 models, this converter is ideal for the truck’s factory transmission setup. It is intended for performance use without nitrous oxide or trans-brakes, ensuring reliable operation under recommended conditions.
Hays 97-1H36Q
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Torque Converter
4.8
Reviews of Hays Drivetrain Products (5)
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