Description_ASC |
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. |
Description_DEF |
Automatic Transmission Torque Converter |
Description_DES |
Hays Twister Full Race Torque Converter 1984-91 GM 700R4, 2800-3200 RPM stall |
Description_INV |
HAYS RACE TQ CONVTR 700R4 28-3200 LKUP |
Description_EXT |
Hays Twister Full Race Torque Converter; 2800-3200 RPM Stall; 9.6 in. dia.; 10.75 in. Bolt Pattern; 30 Spline Input Shaft; 1.703 in. Crank Pilot; |
Description_FAB |
All Full Race series converters are built, tested, and proven to support up to 1,000 horsepower |
Description_FAB |
Features a custom anti-balloon plate designed to stop potential torque converter ballooning |
Description_FAB |
Designed to handle the extreme shock and abuse of trans-brakes, nitrous oxide, superchargers, and turbochargers |
Description_FAB |
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 |
Description_FAB |
Each converter is hand-built and inspected in every step of assembly to ensure top of the line quality |
Description_FAB |
All Hays torque converters are internally welded compared to brazing. Testing has shown welding provides longer converter life while also enhancing consistency |
Description_FAB |
Heavy duty Torrington bearings are used for greater strength and durability |
Description_FAB |
Stators are chosen with high flow vents and channels to promote cooling in heat producing higher horsepower applications |
Description_FAB |
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. |
Description_FAB |
Full Race series torque converters are offered in several different stall speeds for popular automatic transmissions |
Description_FAB |
Industry leading Tech Support Team is available to provide assistance with stall speed selection |
Description_SHO |
Torque Converter |
Description_MKT |
Hays Performance Drivetrain is proud to announce Twister 3/4 Race Performance Torque Converters. These NEW torque converters are a perfect addition to Hays product line of performance flexplates, clutches, and flywheels. The 3/4 Race torque converter is the first series being brought to market and is intended for street/strip combinations, 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. |
Series |
Full Race |
Input Shaft Spline Quantity |
30 |
Balanced |
Yes |
Emission Code |
5 |
Anti Balloon Plate |
Yes |
Use with Power Adder |
Yes |
Lock Up Type |
No |
Diameter (in.) |
9.600 in. |
Input Spline |
30 |
Lock Up/Overdrive |
No |
Transmission Model |
700R4 |
WARNING CA Proposition 65 Message |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
Stall Speed (RPM) |
2800-3200 |
Bolt Circle |
10.75" |
Brand |
Hays |
Diameter |
9.6" |
Warning |
California Proposition 65 |
Bolt Circle Diameter |
10.750 in. |
Trans Year |
1987 |
WARNING CA Proposition 65 |
Yes |
Crank Pilot Diameter |
1.703 in. |
Trans Model |
GM- TH350 (Auto) 3 Speed |
Use with Trans-Brake |
Yes |
Anti-Balloon Plate |
Yes |
Product Type |
Automatic Transmission Torque Converter |
Stall |
2800-3200 |
Transmission |
700R4 |
Length |
8.0000 |
Width |
13.0000 |
Height |
13.0000 |
Weight |
28.0000 |