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Hays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28Q

Hays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28Q
Hays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28QHays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28QHays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28QHays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28QHays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28QHays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28QHays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28QHays Twister 3/4 Race Torque Converter, 1984-91 GM 700R4 97-1E28Q
$1,130.99 ea
NEWARRIVING SOONEstimated Ship Date 12/09/2024 (If Ordered Today)3 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/20/2024
Model: 4007071
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Hays Twister 3/4 Race performance torque converters are a perfect addition to our line of performance flexplates, clutches, and flywheels. Our 3/4 Race series of torque converters is intended for street/strip combinations, with various 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. The Twister 3/4 Race torque converter perfectly describes a converter suited for an application just shy of Full Race converter. Hays Twister 3/4 Race Torque Converters--Good names never go away, and neither should good terms!
Features:
  • 3/4 Race series converters are built, tested, and proven to support up to 650 HP.
  • 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 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.
  • 3/4 Race series converters are offered in several different stall speeds for GM, Ford, and Chrysler transmissions
  • Industry leading Tech Support Team is available to provide assistance with stall speed selection
Warning: The 3/4 RACE series converters are NOT designed to be used with Nitrous Oxide or Trans-Brakes
Note: HAYS recommends an external transmission cooler for all Twister 3/4 Race Converters (A minimum size of 18,000 GVW or 15,000 BTU Rating.)
Note: Stall ranges will vary depending on engine set-up, weight of vehicle, and gear ratio (Please see converter selector in tech resources for more info)
Installation Notes:
Warning: The 3/4 RACE series converters are NOT designed to be used with Nitrous Oxide or Trans-Brakes
Note: HAYS recommends an external transmission cooler for all Twister 3/4 Race Converters (A minimum size of 18,000 GVW or 15,000 BTU Rating.)
Note: Stall ranges will vary depending on engine set-up, weight of vehicle, and gear ratio (Please see converter selector in tech resources for more info)

Downloads:

Download Name File Size
199r11350.pdf162.28KB
199r11353.pdf90.69KB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine
Chevrolet Camaro Base 1988 2.8L / 173 / V6
5.0L / 305 / V8
Chevrolet Camaro Berlinetta 1984 2.8L / 173 / V6
5.0L / 305 / V8
Chevrolet Camaro Berlinetta 1985 2.8L / 173 / V6
5.0L / 305 / V8
Chevrolet Camaro Berlinetta 1986 2.8L / 173 / V6
5.0L / 305 / V8
Chevrolet Camaro Iroc-Z 1985 5.0L / 305 / V8
Chevrolet Camaro Iroc-Z 1986 5.0L / 305 / V8
Chevrolet Camaro Iroc-Z 1987 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Camaro Iroc-Z 1988 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Camaro Iroc-Z 1989 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Camaro Iroc-Z 1990 5.0L / 305 / V8
5.7L / 350 / V8
Chevrolet Camaro LT 1987 2.8L / 173 / V6
5.0L / 305 / V8
Chevrolet Camaro RS 1989 2.8L / 173 / V6
5.0L / 305 / V8
Chevrolet Camaro RS 1990 3.1L / 189 / V6
5.0L / 305 / V8
Chevrolet Camaro RS 1991 3.1L / 189 / V6
5.0L / 305 / V8
Chevrolet Camaro Sport 1984 5.0L / 305 / V8
2.8L / 173 / V6
2.5L / 151 / L4
Chevrolet Camaro Sport 1985 5.0L / 305 / V8
2.8L / 173 / V6
2.5L / 151 / L4
Chevrolet Camaro Sport 1986 5.0L / 305 / V8
2.8L / 173 / V6
2.5L / 151 / L4
Chevrolet Camaro Sport 1987 5.0L / 305 / V8
2.8L / 173 / V6
Chevrolet Camaro Z28 1984 5.0L / 305 / V8
Chevrolet Camaro Z28 1985 5.0L / 305 / V8
Chevrolet Camaro Z28 1986 5.0L / 305 / V8
Chevrolet Camaro Z28 1987 5.0L / 305 / V8
Chevrolet Camaro Z28 1991 5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Firebird Base 1984 2.8L / 173 / V6
2.5L / 151 / L4
5.0L / 305 / V8
Pontiac Firebird Base 1985 2.8L / 173 / V6
2.5L / 151 / L4
5.0L / 305 / V8
Pontiac Firebird Base 1986 2.8L / 173 / V6
2.5L / 151 / L4
5.0L / 305 / V8
Pontiac Firebird Base 1987 5.7L / 350 / V8
2.8L / 173 / V6
5.0L / 305 / V8
Pontiac Firebird Base 1988 5.7L / 350 / V8
2.8L / 173 / V6
5.0L / 305 / V8
Pontiac Firebird Base 1989 2.8L / 173 / V6
5.0L / 305 / V8
Pontiac Firebird Base 1990 3.1L / 189 / V6
5.0L / 305 / V8
Pontiac Firebird Base 1991 3.1L / 189 / V6
5.0L / 305 / V8
Pontiac Firebird Formula 1989 5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Firebird Formula 1990 5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Firebird Formula 1991 5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Firebird S/E 1984 2.8L / 173 / V6
5.0L / 305 / V8
2.5L / 151 / L4
Pontiac Firebird S/E 1985 2.8L / 173 / V6
5.0L / 305 / V8
Pontiac Firebird S/E 1986 2.8L / 173 / V6
5.0L / 305 / V8
Pontiac Firebird Trans Am GTA 1989 5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Firebird Trans Am GTA 1990 5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Firebird Trans Am GTA 1991 5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Firebird Trans Am 1984 5.0L / 305 / V8
Pontiac Firebird Trans Am 1985 5.0L / 305 / V8
Pontiac Firebird Trans Am 1986 5.0L / 305 / V8
Pontiac Firebird Trans Am 1987 5.7L / 350 / V8
5.0L / 305 / V8
Pontiac Firebird Trans Am 1988 5.7L / 350 / V8
5.0L / 305 / V8
Pontiac Firebird Trans Am 1989 3.8L / 231 / V6
5.7L / 350 / V8
5.0L / 305 / V8
Pontiac Firebird Trans Am 1990 5.7L / 350 / V8
5.0L / 305 / V8
Pontiac Firebird Trans Am 1991 5.7L / 350 / V8
5.0L / 305 / V8

Specifications:

Anti-Balloon Plate No
Balanced Yes
Bolt Circle 10.75"
Crank Pilot Diameter 1.703"
Diameter 9.6"
Emission Code 5
Input Spline 30
Lock Up/Overdrive Yes
Part Type Automatic Transmission Torque Converter
Product Type Automatic Transmission Torque Converter
Proposition 65 www.P65Warnings.ca.gov
Series 3/4 Race
Stall 2800-3200
Transmission 700R4
Use with Power Adder No
Use with Trans-Brake No

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