Powerglide Modulator Plug Kit 1962-1973
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
- Contents
- Modulator Plug
- Gasket
