ATI Performance Products, Inc®, is a worldwide leader in high performance transmission technology. We are proud to offer a new Permanent Mold, 356-T6 cast aluminum extension housing for the Turbo 350 Transmission. These brand-new parts are all machined and assembled in house. Extension housings are offered in 4 different variations and all are a direct fit to any OEM T350 or the 5th and 6th bolt holes can be utilized when installed on a new ATI T350 SuperCase.

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