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Sonnax 28821-02K

Servo Piston Kit Sealing Ring Type

Sonnax 28821-02K

852-28821-02K

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Estimated ship date 09/28/17 if Ordered Today
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Sonnax 28821-02K Servo Piston Kit Sealing Ring Type $36.94
Servo Piston Kit
  • Sealing Ring Type

  • Sonnax 28821-02K Details

    Servo Piston Kits

    • Piston
    • PTFE Seal Rings (2)
    • Cover Gasket
    Sealing Ring Type , includes PTFE Seals & Cover Gasket

    Sonnax servo piston kit 28821-02K for GM Powerglide® units features dual 18608T PTFE seal rings. These rings are configured to be interchangeable with the OE cast aluminum seal ring for maximum flexibility. The piston can be assembled using only one seal ring for lower friction, two aluminum seal rings or any combination in between. Sonnax also offers servo piston kit 28821-01K with dual O-rings 28821-OR for use with worn cases.

    • High-strength aluminum piston
    • Piston features a rounded profile for better stress distribution
    • Dual PTFE seal rings for better seal and low friction
    • Includes cover gasket

    Specifications:

    Manufacturer's Part Number:
    28821-02K

    Sonnax Servo Cover Kits 28821-03K and 28821-06K are designed to replace other covers and require no modifications to the case. They can be installed with servo piston kits 28821-01K or 28821-02K.

    Sonnax Master Servo Kits 28821-04K and 28821-07K are designed to replace the piston and cover and require no modifications to the case. The kits feature the no leak dual O-ring servo using two O-ring seals for superior, positive sealing. In applications with a distorted bore or case flex, O-rings will conform to the bore surfaces, a feature not possible with metal sealing rings. Precise slip fit with apply pin further improves performance.

    In addition, Sonnax Master Servo Kits 28821-05K and 28821-08K are designed to replace the piston and cover and accept either two PTFE seal rings or two OE metal sealing rings. Made with the same high-quality billet aluminum as our dual O-ring servos, these servos will give you the positive apply needed in high pressure racing conditions.

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