This is a Package deal for 2 products: 3 1/2 inch Standard LT1 Mass Air Flow Sensor AND Bob Bailey MAF Translator

This MAF translator is a direct plug-in unit.  Directions are also enclosed in package

The Buick MAF translator allows you to upgrade to the much better late model GM MAF (LT1) sensor and replace the outdated/discontinued-factory GM MAF unit.

This will allow for more flow, better spool up and complete control over the fuel curve.

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100% new, 3 inch Mass Air Flow sensor LT1 style;

This Mass Air Flow sensor ( MAF ) is a brand new replacement for GM# 19332972 or ACDelco #213-4657