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.
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.