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PISTON KIT, SERVO-W/PTFE SEALS Servo Piston , Billet Aluminum, W/Seals, Powerglide
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Estimated Ship Date: Oct 27, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
28821-02K
Part Type:
Product Line:
Summit Racing Part Number:
SOX-28821-02K
Automatic Transmission Rebuild Component Type:
Servo piston
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Includes cover gasket and PTFE seal rings.
Sonnax Servo Piston Kits
If you're looking for an easy upgrade to your automatic transmission, Sonnax Servo piston kits may be the answer. The improvement in shift quality is an immediate and noticeable value. These direct replacement kits will help to eliminate a bit of a "sloppy" gear performance caused by faulty OEM servo units. With all necessary rings and seals to prevent leakage and handle higher pressure, Sonnax servo pistons can be your link to greater band apply force. Choose the kit that matches your vehicle specs, then expect faster and firmer shifts!
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Some parts are not legal for use in California or other states with similar laws / regulations
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