Sonnax offers heavy duty Piston/Damper Assembly FD-DA-14 for late model single plate E4OD converters. In extremely high torque applications the standard, single plate damper springs bottom, causing harsh starts and possible spline damage due to impact loading. This design has five additional nested springs to increase dampening capacity.
F & E Series truck, heavy duty applications
Higher dampening capacity
Nested spring design
Eliminated spring bottoming
Balanced assembly

More From This Category

Sonnax Rear Sun Gear Thrust Washer, Powerglide, Each

Sonnax Rear Sun Gear Thrust Washer, Powerglide, Each

$9.38

Sonnax Boost Valve Kit, Ford, Fd C6, Diesel Ratio, Each

Sonnax Boost Valve Kit, Ford, Fd C6, Diesel Ratio, Each

$85.70

Sonnax Line Pressure Booster Kit, Ford, 4R100, E4Od, Each

Sonnax Line Pressure Booster Kit, Ford, 4R100, E4Od, Each

$54.43

Sonnax Friction Ring, Jatco, 10.750in. X 9.500in. X .045", Each

Sonnax Friction Ring, Jatco, 10.750in. X 9.500in. X .045", Each

$14.37

Sonnax Thrust Bearing, GM 4L80E, Each

Sonnax Thrust Bearing, GM 4L80E, Each

$23.04

Sonnax Friction Ring, Chrysler, 10.250in. X 8.625in. X .066", Hts Material, Each

Sonnax Friction Ring, Chrysler, 10.250in. X 8.625in. X .066", Hts Material, Each

$28.00