This aluminum MAF block off plate will fit where the GM MAF sensor 15865791 (Cobalt, HHR, etc.) is used.
This plate is perfect for blocking off the factory MAF sensor hole when switching to a blow through MAF setup.
Works with Chevy Cobalt, HHR, and the ZZP Cobalt Billet MAF pad.
The MAF block of plate is machined from 6061 aluminum.
MAF block off plate includes a sealing o-ring and two stainless steel M4x12mm socket head screws.