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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.
Specifications:
| Anti Balloon Plate | Yes |
| Balanced | Yes |
| Bolt Circle Diameter | 11.4375 in. |
| Crank Pilot Diameter | 1.375 in. |
| Description_ASC | Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations |
| Description_DEF | Automatic Transmission Torque Converter |
| Description_DES | Hays Twister Full Race Torque Converter |
| Description_EXT | Hays Twister Full Race Torque Converter; 2800-3200 RPM Stall; 10 in. dia.; 11-7/16 in. Bolt Pattern; 26 Spline Input Shaft; 1.375 in. Crank Pilot; |
| Description_FAB | All Convertors Are Internally Welded For Longer Life |
| Description_FAB | Converters Built/Tested/Proven Support To 650 HP |
| Description_FAB | Hand Built And Inspected In Every Step Of Assembly |
| Description_FAB | Heavy Duty Torrington Bearings For Strength/Durability |
| Description_FAB | Increased HP/Acceleration Due To A Weight Saving Design |
| Description_FAB | Industry Leading Tech Support Team Available For Assistance |
| Description_FAB | Stators Are Chosen W/High Flow Vents/Channels To Promote Cooling |
| Description_INV | HAYS RACE CONV C4 26SPL;CASE; 28-3200 |
| 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. |
| Description_SHO | Torque Converter |
| Diameter (in.) | 10.000 in. |
| height | 8.2 |
| Input Shaft Spline Quantity | 26 |
| length | 13.0 |
| Lock Up Type | No |
| LTL | N |
| Series | Full Race |
| Stall Speed (RPM) | 2800-3200 |
| Trans Model | C4 |
| Trans Year | 1963 |
| Trans Year | 1964 |
| Trans Year | 1965 |
| Trans Year | 1966 |
| Trans Year | 1967 |
| Trans Year | 1968 |
| Trans Year | 1969 |
| Trans Year | 1970 |
| Trans Year | 1971 |
| Trans Year | 1972 |
| Trans Year | 1973 |
| Trans Year | 1974 |
| Trans Year | 1975 |
| Trans Year | 1976 |
| Trans Year | 1977 |
| Trans Year | 1978 |
| Trans Year | 1979 |
| Trans Year | 1980 |
| Trans Year | 1981 |
| Transmission Model | C4 |
| Use with Power Adder | Yes |
| Use with Trans-Brake | Yes |
| WARNING CA Proposition 65 | No |
| weight | 23.45 |
| width | 13.1 |