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Sonnax 28709

Reverse Clutch Spring Retainer

Sonnax 28709


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Sonnax 28709 Reverse Clutch Spring Retainer $8.78
Reverse Clutch Spring Retainer

Sonnax 28709 Details

Reverse Clutch Components

"No Flex"

Consistent transbrake release is mandatory for a successful ET racing effort. To improve transbrake release, rebuilders typically replace the OE return springs with stiffer springs, such as the Sonnax 28320A reverse clutch return springs. These extra-stiff springs can deflect the OE retainer, resulting in a loss of intended load. The Sonnax No Flex Powerglide Reverse Spring Retainer 28709 is stamped from high strength, roll tempered steel. This additional strength resists deflection better than used OE retainers made of mild steel. For optimum reverse clutch release, use Sonnax 28320A reverse springs with the 28709 retainer.

  • Faster transbrake response time
  • Stronger-than-OE materials


Manufacturer's Part Number:

Sonnax carries a wide range of replacement clutch pack components for the popular GM Powerglide transmission. Replacement steel plates and friction discs are offered in different thicknesses to accommodate the needs of your specific rebuild. Reverse clutch components offer an upgrade replacement of original worn or missing parts.

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