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Hays Twister Full Race Torque Converter, Ford C4 97-2E28F

Hays Twister Full Race Torque Converter, Ford C4 97-2E28F
Hays Twister Full Race Torque Converter, Ford C4 97-2E28FHays Twister Full Race Torque Converter, Ford C4 97-2E28FHays Twister Full Race Torque Converter, Ford C4 97-2E28FHays Twister Full Race Torque Converter, Ford C4 97-2E28FHays Twister Full Race Torque Converter, Ford C4 97-2E28FHays Twister Full Race Torque Converter, Ford C4 97-2E28F
$1,365.99 ea
NEWARRIVING SOONEstimated Ship Date 05/22/2025 (If Ordered Today)2 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/02/2025
Model: 4007125
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 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
NOTE: The FULL RACE series converters are designed to be used with Trans-brakes and power adders such as Nitrous Oxide, Superchargers, or Turbos.
WARNING: Stall ranges will vary depending on Engine set-up, Weight of vehicle, and Gear Ratio
Installation Notes:
NOTE: The FULL RACE series converters are designed to be used with Trans-brakes and power adders such as Nitrous Oxide, Superchargers, or Turbos.
WARNING: Stall ranges will vary depending on Engine set-up, Weight of vehicle, and Gear Ratio

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
Ford Mustang II Base 1974 2.3L / 140 / L4
2.8L / 171 / V6
Ford Mustang II Base 1975 5.0L / 302 / V8
2.3L / 140 / L4
2.8L / 171 / V6
Ford Mustang II Base 1976 5.0L / 302 / V8
2.3L / 140 / L4
2.8L / 171 / V6
Ford Mustang II Base 1977 5.0L / 302 / V8
2.3L / 140 / L4
2.8L / 171 / V6
Ford Mustang II Base 1978 5.0L / 302 / V8
2.3L / 140 / L4
2.8L / 171 / V6
Ford Mustang II Ghia 1975 5.0L / 302 / V8
2.8L / 171 / V6
2.3L / 140 / L4
Ford Mustang II Ghia 1976 5.0L / 302 / V8
2.8L / 171 / V6
2.3L / 140 / L4
Ford Mustang II Ghia 1977 5.0L / 302 / V8
2.8L / 171 / V6
2.3L / 140 / L4
Ford Mustang II Ghia 1978 5.0L / 302 / V8
2.8L / 171 / V6
2.3L / 140 / L4
Ford Mustang II Mach 1 1975 5.0L / 302 / V8
2.8L / 171 / V6
Ford Mustang II Mach 1 1976 5.0L / 302 / V8
2.8L / 171 / V6
Ford Mustang II Mach 1 1977 5.0L / 302 / V8
2.8L / 171 / V6
Ford Mustang II Mach 1 1978 5.0L / 302 / V8
2.8L / 171 / V6
Ford Mustang Base 1964 4.7L / 289 / V8
2.8L / 170 / L6
3.3L / 200 / L6
4.3L / 260 / V8
Ford Mustang Base 1965 4.7L / 289 / V8
2.8L / 170 / L6
3.3L / 200 / L6
4.3L / 260 / V8
Ford Mustang Base 1966 4.7L / 289 / V8
3.3L / 200 / L6
Ford Mustang Base 1967 4.7L / 289 / V8
6.4L / 390 / V8
3.3L / 200 / L6
Ford Mustang Base 1968 4.7L / 289 / V8
5.0L / 302 / V8
6.4L / 390 / V8
7.0L / 428 / V8
7.0L / 427 / V8
3.3L / 200 / L6
Ford Mustang Base 1969 5.0L / 302 / V8
5.8L / 351 / V8
6.4L / 390 / V8
7.0L / 428 / V8
4.1L / 250 / L6
7.0L / 429 / V8
3.3L / 200 / L6
Ford Mustang Base 1970 5.0L / 302 / V8
5.8L / 351 / V8
7.0L / 428 / V8
4.1L / 250 / L6
7.0L / 429 / V8
3.3L / 200 / L6
Ford Mustang Base 1971 5.0L / 302 / V8
5.8L / 351 / V8
4.1L / 250 / L6
7.0L / 429 / V8
Ford Mustang Base 1972 5.0L / 302 / V8
5.8L / 351 / V8
4.1L / 250 / L6
Ford Mustang Base 1973 5.0L / 302 / V8
5.8L / 351 / V8
4.1L / 250 / L6
Ford Mustang Base 1979 2.3L / 140 / L4
5.0L / 302 / V8
2.8L / 171 / V6
3.3L / 200 / L6
Ford Mustang Base 1980 2.3L / 140 / L4
5.0L / 302 / V8
4.2L / 255 / V8
3.3L / 200 / L6
Ford Mustang Base 1981 2.3L / 140 / L4
5.0L / 302 / V8
4.2L / 255 / V8
3.3L / 200 / L6
Ford Mustang Base 1982 5.0L / 302 / V8
Ford Mustang Base 1983 5.0L / 302 / V8
Ford Mustang Base 1984 5.0L / 302 / V8
Ford Mustang Cobra 1981 4.2L / 255 / V8
Ford Mustang Ghia 1979 2.8L / 171 / V6
5.0L / 302 / V8
3.3L / 200 / L6
2.3L / 140 / L4
Ford Mustang Ghia 1980 3.3L / 200 / L6
2.3L / 140 / L4
4.2L / 255 / V8
Ford Mustang Ghia 1981 3.3L / 200 / L6
2.3L / 140 / L4
4.2L / 255 / V8
Mercury Capri Base 1972 2.0L / 122 / L4
2.6L / 156 / V6
1.6L / 98 / L4
Mercury Capri Base 1973 2.0L / 122 / L4
2.6L / 156 / V6
Mercury Capri Base 1974 2.8L / 171 / V6
2.0L / 122 / L4
Mercury Capri Base 1975 2.8L / 171 / V6
2.3L / 140 / L4
Mercury Capri Base 1976 2.8L / 171 / V6
2.3L / 140 / L4
Mercury Capri Base 1977 2.8L / 171 / V6
2.3L / 140 / L4
Mercury Capri Base 1979 2.8L / 171 / V6
2.3L / 140 / L4
5.0L / 302 / V8
3.3L / 200 / L6
Mercury Capri Base 1980 4.2L / 255 / V8
2.3L / 140 / L4
3.3L / 200 / L6
Mercury Capri Base 1981 4.2L / 255 / V8
2.3L / 140 / L4
3.3L / 200 / L6
Mercury Capri GS 1981 4.2L / 255 / V8
3.3L / 200 / L6
2.3L / 140 / L4
Mercury Capri Ghia 1979 3.3L / 200 / L6
2.8L / 171 / V6
5.0L / 302 / V8
2.3L / 140 / L4
Mercury Capri Ghia 1980 3.3L / 200 / L6
2.3L / 140 / L4
4.2L / 255 / V8
Mercury Cougar Base 1967 4.7L / 289 / V8
6.4L / 390 / V8
Mercury Cougar Base 1968 7.0L / 428 / V8
4.7L / 289 / V8
7.0L / 427 / V8
5.0L / 302 / V8
6.4L / 390 / V8
Mercury Cougar Base 1969 7.0L / 428 / V8
5.8L / 351 / V8
5.0L / 302 / V8
6.4L / 390 / V8
Mercury Cougar Base 1970 7.0L / 428 / V8
7.0L / 429 / V8
5.8L / 351 / V8
6.4L / 390 / V8
Mercury Cougar Base 1971 7.0L / 429 / V8
5.8L / 351 / V8
Mercury Cougar Base 1972 5.8L / 351 / V8
Mercury Cougar Base 1973 6.6L / 400 / V8
5.8L / 351 / V8
7.5L / 460 / V8
Mercury Cougar Base 1977 6.6L / 400 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar Base 1978 6.6L / 400 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar Base 1979 5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar Base 1981 4.2L / 255 / V8
2.3L / 140 / L4
3.3L / 200 / L6
Mercury Cougar Brougham 1977 6.6L / 400 / V8
5.8L / 351 / V8
5.0L / 302 / V8
Mercury Cougar Villager 1977 6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar XR-7 1975 6.6L / 400 / V8
5.8L / 351 / V8
7.5L / 460 / V8
Mercury Cougar XR-7 1976 6.6L / 400 / V8
5.8L / 351 / V8
7.5L / 460 / V8
Mercury Cougar XR-7 1977 5.0L / 302 / V8
6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar XR-7 1978 5.0L / 302 / V8
6.6L / 400 / V8
5.8L / 351 / V8
Mercury Cougar XR-7 1979 5.0L / 302 / V8
5.8L / 351 / V8
Mercury Cougar XR-7 1980 4.2L / 255 / V8
3.3L / 200 / L6
5.0L / 302 / V8
Mercury Cougar XR-7 1981 4.2L / 255 / V8
3.3L / 200 / L6
5.0L / 302 / V8

Specifications:

Anti-Balloon Plate Yes
Balanced Yes
Bolt Circle 10-1/2"
Crank Pilot Diameter 1.375"
Diameter 10"
Emission Code 5
Input Spline 26
Lock Up/Overdrive No
Part Type Automatic Transmission Torque Converter
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

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