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Hays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28Q

Hays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28Q
Hays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28QHays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28QHays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28QHays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28QHays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28QHays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28QHays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28QHays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28Q
$1,214.99 ea
NEWARRIVING SOONEstimated Ship Date 12/09/2024 (If Ordered Today)2 Available from HOLLEY PERFORMANCE PRODUCTS as of 11/20/2024
Model: 4007059
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 torque converters are built, tested, and proven to support up to 650 horsepower.
  • 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.
  • 3/4 Race series torque 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
Buick Skylark Base 1969 4.1L / 250 / L6
5.7L / 350 / V8
Buick Skylark Base 1970 4.1L / 250 / L6
7.5L / 455 / V8
5.7L / 350 / V8
Buick Skylark Base 1971 4.1L / 250 / L6
7.5L / 455 / V8
5.7L / 350 / V8
Buick Skylark Base 1972 5.7L / 350 / V8
Buick Special Base 1969 5.7L / 350 / V8
4.1L / 250 / L6
Buick Sportwagon Base 1968 6.6L / 400 / V8
5.7L / 350 / V8
Buick Sportwagon Base 1969 6.6L / 400 / V8
5.7L / 350 / V8
Buick Sportwagon Base 1970 7.5L / 455 / V8
5.7L / 350 / V8
Buick Sportwagon Base 1971 5.7L / 350 / V8
Buick Sportwagon Base 1972 5.7L / 350 / V8
Chevrolet El Camino Base 1980 5.0L / 305 / V8
3.8L / 231 / V6
3.8L / 229 / V6
4.4L / 267 / V8
Chevrolet El Camino Base 1981 5.0L / 305 / V8
3.8L / 231 / V6
3.8L / 229 / V6
4.4L / 267 / V8
Chevrolet El Camino Base 1982 5.0L / 305 / V8
3.8L / 231 / V6
3.8L / 229 / V6
4.4L / 267 / V8
Chevrolet El Camino Base 1983 5.0L / 305 / V8
5.7L / 350 / V8
3.8L / 231 / V6
3.8L / 229 / V6
Chevrolet El Camino Base 1984 5.0L / 305 / V8
5.7L / 350 / V8
3.8L / 231 / V6
3.8L / 229 / V6
Chevrolet El Camino Conquista 1981 3.8L / 231 / V6
4.4L / 267 / V8
5.0L / 305 / V8
3.8L / 229 / V6
Chevrolet El Camino Conquista 1982 3.8L / 231 / V6
4.4L / 267 / V8
5.0L / 305 / V8
3.8L / 229 / V6
Chevrolet El Camino Conquista 1983 3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8
3.8L / 229 / V6
Chevrolet El Camino Conquista 1984 3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8
3.8L / 229 / V6
Chevrolet El Camino Royal Knight 1980 3.8L / 229 / V6
5.0L / 305 / V8
3.8L / 231 / V6
4.4L / 267 / V8
Chevrolet El Camino Royal Knight 1981 3.8L / 229 / V6
5.0L / 305 / V8
3.8L / 231 / V6
4.4L / 267 / V8
Chevrolet El Camino SS 1980 5.0L / 305 / V8
4.4L / 267 / V8
3.8L / 231 / V6
Chevrolet El Camino SS 1981 5.0L / 305 / V8
4.4L / 267 / V8
3.8L / 231 / V6
Chevrolet El Camino SS 1982 5.0L / 305 / V8
4.4L / 267 / V8
3.8L / 231 / V6
Chevrolet El Camino SS 1983 5.0L / 305 / V8
3.8L / 231 / V6
3.8L / 229 / V6
5.7L / 350 / V8
Chevrolet El Camino SS 1984 5.0L / 305 / V8
3.8L / 231 / V6
3.8L / 229 / V6
5.7L / 350 / V8
Chevrolet Malibu Base 1980 5.0L / 305 / V8
5.7L / 350 / V8
3.8L / 231 / V6
4.4L / 267 / V8
3.8L / 229 / V6
Chevrolet Malibu Base 1981 5.0L / 305 / V8
5.7L / 350 / V8
3.8L / 231 / V6
4.4L / 267 / V8
3.8L / 229 / V6
Chevrolet Malibu Classic Estate 1980 5.0L / 305 / V8
3.8L / 229 / V6
4.4L / 267 / V8
3.8L / 231 / V6
Chevrolet Malibu Classic Landau 1980 5.0L / 305 / V8
3.8L / 231 / V6
3.8L / 229 / V6
4.4L / 267 / V8
Chevrolet Malibu Classic Landau 1981 5.0L / 305 / V8
3.8L / 231 / V6
3.8L / 229 / V6
4.4L / 267 / V8
Chevrolet Malibu Classic Sport 1980 3.8L / 229 / V6
5.0L / 305 / V8
4.4L / 267 / V8
3.8L / 231 / V6
Chevrolet Malibu Classic 1980 4.4L / 267 / V8
3.8L / 229 / V6
3.8L / 231 / V6
5.0L / 305 / V8
Chevrolet Malibu Classic 1981 4.4L / 267 / V8
3.8L / 229 / V6
3.8L / 231 / V6
5.0L / 305 / V8
Chevrolet Malibu Classic 1982 4.4L / 267 / V8
5.7L / 350 / V8
4.3L / 260 / V6
3.8L / 229 / V6
3.8L / 231 / V6
5.0L / 305 / V8
Chevrolet Malibu Classic 1983 5.7L / 350 / V8
4.3L / 260 / V6
3.8L / 229 / V6
3.8L / 231 / V6
5.0L / 305 / V8
Chevrolet Malibu Estate 1980 3.8L / 229 / V6
5.0L / 305 / V8
3.8L / 231 / V6
4.4L / 267 / V8
5.7L / 350 / V8
Chevrolet Malibu Sport 1980 3.8L / 229 / V6
5.0L / 305 / V8
3.8L / 231 / V6
5.7L / 350 / V8
4.4L / 267 / V8
Oldsmobile Cutlass Base 1968 6.6L / 400 / V8
4.1L / 250 / L6
5.7L / 350 / V8
Oldsmobile Cutlass Base 1969 4.1L / 250 / L6
5.7L / 350 / V8
Oldsmobile Cutlass Base 1970 7.5L / 455 / V8
4.1L / 250 / L6
5.7L / 350 / V8
Oldsmobile Cutlass Base 1971 7.5L / 455 / V8
4.1L / 250 / L6
5.7L / 350 / V8
Oldsmobile Cutlass Base 1972 7.5L / 455 / V8
5.7L / 350 / V8
Oldsmobile Cutlass Base 1973 7.5L / 455 / V8
5.7L / 350 / V8
Oldsmobile Cutlass Base 1974 7.5L / 455 / V8
5.7L / 350 / V8
Oldsmobile Cutlass Base 1980 5.0L / 305 / V8
4.3L / 260 / V8
5.7L / 350 / V8
3.8L / 231 / V6
Oldsmobile Cutlass Brougham 1980 3.8L / 231 / V6
5.0L / 305 / V8
4.3L / 260 / V8
5.7L / 350 / V8
Oldsmobile Cutlass Brougham 1981 3.8L / 231 / V6
4.3L / 260 / V8
5.7L / 350 / V8
4.4L / 267 / V8
Oldsmobile Cutlass LS 1980 5.0L / 305 / V8
3.8L / 231 / V6
5.7L / 350 / V8
4.3L / 260 / V8
Oldsmobile Cutlass LS 1981 3.8L / 231 / V6
5.7L / 350 / V8
4.3L / 260 / V8
4.4L / 267 / V8
Oldsmobile Cutlass Supreme 1981 4.4L / 267 / V8
Oldsmobile F85 Base 1970 7.5L / 455 / V8
5.7L / 350 / V8
4.1L / 250 / L6
Oldsmobile F85 Base 1971 5.7L / 350 / V8
4.1L / 250 / L6
Oldsmobile F85 Base 1972 7.5L / 455 / V8
5.7L / 350 / V8
Oldsmobile Vista Cruiser Base 1970 5.7L / 350 / V8
7.5L / 455 / V8
Oldsmobile Vista Cruiser Base 1971 5.7L / 350 / V8
7.5L / 455 / V8
Oldsmobile Vista Cruiser Base 1972 5.7L / 350 / V8
7.5L / 455 / V8
Oldsmobile Vista Cruiser Base 1973 5.7L / 350 / V8
7.5L / 455 / V8
Oldsmobile Vista Cruiser Base 1974 5.7L / 350 / V8
7.5L / 455 / V8
Pontiac Grand Prix Base 1980 4.3L / 265 / V8
4.9L / 301 / V8
3.8L / 231 / V6
5.0L / 305 / V8
Pontiac Grand Prix Base 1981 4.3L / 265 / V8
5.7L / 350 / V8
4.4L / 267 / V8
3.8L / 231 / V6
Pontiac Grand Prix Base 1982 5.7L / 350 / V8
4.1L / 252 / V6
4.4L / 267 / V8
3.8L / 231 / V6
Pontiac Grand Prix Base 1983 5.7L / 350 / V8
3.8L / 231 / V6
5.0L / 305 / V8
Pontiac Grand Prix Base 1984 5.7L / 350 / V8
3.8L / 231 / V6
5.0L / 305 / V8
Pontiac Grand Prix Brougham 1981 4.4L / 267 / V8
4.3L / 265 / V8
5.7L / 350 / V8
3.8L / 231 / V6
Pontiac Grand Prix Brougham 1982 4.4L / 267 / V8
4.1L / 252 / V6
5.7L / 350 / V8
3.8L / 231 / V6
Pontiac Grand Prix Brougham 1983 5.7L / 350 / V8
5.0L / 305 / V8
3.8L / 231 / V6
Pontiac Grand Prix Brougham 1984 5.7L / 350 / V8
5.0L / 305 / V8
3.8L / 231 / V6
Pontiac Grand Prix LE 1984 5.0L / 305 / V8
5.7L / 350 / V8
3.8L / 231 / V6
Pontiac Grand Prix LJ 1980 4.9L / 301 / V8
3.8L / 231 / V6
5.0L / 305 / V8
4.3L / 265 / V8
Pontiac Grand Prix LJ 1981 4.4L / 267 / V8
3.8L / 231 / V6
4.3L / 265 / V8
5.7L / 350 / V8
Pontiac Grand Prix LJ 1982 4.4L / 267 / V8
4.1L / 252 / V6
3.8L / 231 / V6
5.7L / 350 / V8
Pontiac Grand Prix LJ 1983 3.8L / 231 / V6
5.0L / 305 / V8
5.7L / 350 / V8
Pontiac Grand Prix SJ 1980 4.9L / 301 / V8
5.0L / 305 / V8
Pontiac LeMans Base 1968 5.7L / 350 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1969 5.7L / 350 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1970 5.7L / 350 / V8
7.5L / 455 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1971 5.7L / 350 / V8
7.5L / 455 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1972 5.7L / 350 / V8
7.5L / 455 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1973 5.7L / 350 / V8
7.5L / 455 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1974 5.7L / 350 / V8
7.5L / 455 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1975 5.7L / 350 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac LeMans Base 1980 3.8L / 229 / V6
3.8L / 231 / V6
5.0L / 305 / V8
4.3L / 265 / V8
4.9L / 301 / V8
4.4L / 267 / V8
Pontiac LeMans Base 1981 3.8L / 229 / V6
3.8L / 231 / V6
5.0L / 305 / V8
4.3L / 265 / V8
4.4L / 267 / V8
Pontiac LeMans Safari 1970 5.7L / 350 / V8
6.6L / 400 / V8
4.1L / 250 / L6
7.5L / 455 / V8
Pontiac LeMans Safari 1975 6.6L / 400 / V8
Pontiac LeMans Safari 1980 4.3L / 265 / V8
5.0L / 305 / V8
4.9L / 301 / V8
4.4L / 267 / V8
3.8L / 231 / V6
3.8L / 229 / V6
Pontiac LeMans Safari 1981 4.3L / 265 / V8
5.0L / 305 / V8
4.9L / 301 / V8
4.4L / 267 / V8
3.8L / 231 / V6
Pontiac LeMans Sport Coupe 1976 5.7L / 350 / V8
5.0L / 305 / V8
Pontiac LeMans Sport Coupe 1977 5.7L / 350 / V8
4.1L / 250 / L6
Pontiac LeMans Sport 1975 4.1L / 250 / L6
5.7L / 350 / V8
6.6L / 400 / V8
Pontiac Tempest Base 1969 5.7L / 350 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac Tempest Base 1970 5.7L / 350 / V8
6.6L / 400 / V8
4.1L / 250 / L6
Pontiac Tempest Safari 1969 6.6L / 400 / V8
4.1L / 250 / L6
5.7L / 350 / 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 TH350 C
Use with Power Adder No
Use with Trans-Brake No

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Hays Twister 3/4 Race Torque Converter, 1977-UP GM TH350C w/Lock-Up 97-1C28Q:
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