GM 4-Bar MAP Sensor 25203477 12643955 4 Bar Boost Turbo Supercharger
$32.99
Description
Genuine GM 4 Bar MAP Sensor 25203477 Supersedes # 12643955.Popular sensor for use with Holley EFI systems, particularly on LS engine applications..This OEM quality 4-Bar MAP sensor reads up to 44psi of boost, and is a direct fit for intake manifolds with "LS3" style MAP sensor ports.Requires pigtail # 13580231, or the more common & cheaper LS9/LS3/LSA style connectors can be used if you trim the two bottom slots off the connector/pigtail..Supersedes # 12643955
