This stock OEM GM 3.5" Vortec 1996-2000 5.0, 5.7, 7.4L MAF flows 514 CFM @ 8" H2O pressure on the flow bench.

Cleaned / Descreened / Tested Upgrade MAF flows 598 CFM @ 8" H2O

1996-2000 GM Vortec Performance MAF

$129.95Price