Buick TH350, Chevy TH350, Powerglide, Powerglide TH350, TH400, 8" Performance Converter, TH400 (3L80), AT-540

8" Performance Converter Kit
Part No. GM-RK-2

View Instructions

Sonnax 8" performance converter kit GM-RK-2 allows builders to assemble a high performance converter with minimal effort.

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

Note

Pilot kit NOT included.

Contents

Flanged Impeller Hub
Thrust Washer
Adapter Ring
30-Tooth Turbine Hub
Front Cover Bushing (Installed)
Front Cover, Dual Bolt Pattern

Specs

Core: Opel
Unit Size: 8"
Dampered: No
Lockup: No
Transmission Unit: 350, 400, Powerglide
Turbine Hub Input Spline Count: 30

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.