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Silverfox Performance Transmission warrants that all of its products are free from defects in material and workmanship, to the original purchaser for as long as you own the product. The warranty period begins from the date of purchase. This limited warranty shall only cover the original purchaser.


a. Any product that has been physically altered, improperly installed or maintained.
b. Any product used in an improper application, abused or not used in connection with the proper parts, accident, contamination, electrical overload, improper wiring, etc.
c. Any product that is defective due to accident, neglect or unauthorized repair.
d. Any product where proper cooling and/or fluid levels have not been maintained.

Though SPT transmissions and related parts are used in racing applications, there is no implied warranty of merchantability or fitness for a particular purpose. SPT is not liable for accidents, injury or collisions with regards to transmission failure or repair. SPT’s obligation under this warranty is limited to the repair or replacement of its products. There are no warranties that extend beyond the description on the face of this warranty. SPT will not be responsible for incidental or consequential damages, property damage or personal damages to the extent permitted by law.

This warranty is subject to the following at SPT’s discretion: rebuilding of transmissions will be limited to replacement of all friction materials, gaskets and seals. There will be an additional charge for parts that are damaged as a result of items not covered by this warranty. SPT is not liable for any other costs or damages as a result of items covered by this warranty.

Please note that all transmissions must be operated with a transmission cooling system that is in addition to the stock radiator-type cooler.

It is the responsibility of the installer to ensure that all of the components are correct before installation. Proper assembly always requires that the installer measure all tolerances for proper clearances. SPT assumes no liability for any errors made in component selection or installation.

SPT will accept unopened or unused returns at our discretion. There will be a 15% restocking fee on in stock items, custom built or special ordered items are non refundable. Shipping and handling fees are non refundable.

Silverfox Performance Transmission LLC
Dan Gilsdorf
1004 Truman St
Pleasant Hill Mo, 64080


Valve Bodies: