Sonnax 28821-10K Powerglide Smart-Tech Ratio-Style Servo Kit

Sale price$317.46
In stock


Sonnax Smart-Tech® ratio-style servo kit 28821-10K is a revolutionary part that conquers the pin bias effect once and for all, making this the ultimate choice for running Powerglides in ever more extreme applications. The unique design has the same apply area as the OE Powerglide servo, but increased release area so the servo is hydraulically released like other modern servos such as the C-4, C-6 and 4L60.

  • Servo Assembly
  • Cover Gasket
  • Case-to-Cover O-Ring
  • Servo Pin Seals (2) PTFE, 1 Extra
  • Primary Piston Seals (2) PTFE
  • Return Spring
  • Cover Bolts (3)

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