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Powerglide

Modulator Plug Kit
Part No. 28738-01K

When building a racing Powerglide, it is necessary to plug the hole left by the vacuum modulator. Sonnax now offers the vacuum modulator plug 28738-01K for the GM Powerglide transmission.

  • Made from aluminum
  • Anodized
  • 3543L gasket included
  • Modulator Plug
  • Gasket
  • 28738 01k