GM 3-Bar MAP Sensor – LSA / LS9 (Blue Label – P/N 55567257)

Upgrade your boosted build with the trusted GM 3-Bar MAP Sensor, the same sensor found on factory supercharged LSA and LS9 engines. Ideal for high-boost applications, this sensor is a go-to solution for tuners and builders seeking precise manifold pressure readings up to 29 psi.

Key Features:

• Genuine GM Part – P/N 55567257 (Made in Mexico)
• Blue Label Sensor – Trusted by tuners for accuracy and reliability
• Factory Fit for LSA & LS9 – Direct replacement for OEM setups
• Popular Upgrade – Widely used across LS platforms for boosted builds

Whether you’re tuning for max performance or replacing a worn sensor, this GM 3-Bar MAP sensor delivers reliable data and plug-and-play compatibility.