C4, 11" Performance Converter, C4, C6, FMX 12", C4 11-1/4"

11" Performance Converter Kit
Part No. FD-RK-9

View Instructions

Sonnax 11" performance converter kit FD-RK-9 allows builders to assemble a high performance converter with minimal effort. With the readily available GM 245mm converter cores, a variety of stall speeds can be built using different stator and impeller combinations.

This performance converter kit works well for converting Ford AOD converters to C4
Fully machined cover with bushing installed
Unit-specific design for hassle-free installation
Oil flow grooves and holes increase fluid flow to keep converters running cooler
Turbine hub features a larger flanged diameter to increase the strength rigidity of the turbine
Clear, detailed instructions

Contents

Flanged Impeller Hub
Inner Stator Race
26-Tooth Turbine Hub
Thrust Washer
Front Cover, Small Bolt Pattern
Front Cover Bushing (Installed)
Set Screws (4)
Stud Covers (4)

Specs

Unit Size: 10"
Core: GM 245mm
Dampered: No
Lockup: No
Transmission Unit: C4
Stack Height: 5.625"
Turbine Hub Input Spline Count: 26

Where to Buy

Existing Customers: Contact your sales representative.
New Customers: Fill out the form and a sales representative will contact you.

Sonnax Performance Converter Kits

Engineered to Deliver Builds that Last

Designed from the ground up to outperform OE and other aftermarket components, Sonnax has you covered with a full line of performance converter kits for gas and diesel vehicles. Offering the widest variety of options in the aftermarket, these innovative kits deliver customized performance and value.