Product 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 (PT2619), or the more common & cheaper LS9/LS3/LSA style connectors can be used if you trim the two bottom slots off the connector/pigtail.
