GM 3 Bar MAP Sensor for GM LSA and LS9 ZR1 Engines, Part # 55567257 / 12592525

GM Performance Parts
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GM Part 3-Bar Sensor reads up to 44 psi Tuning Data - Linear: 312.50 and Off-Set: -11.25. This GM 3-Bar MAP sensor is recommended for Forced Induction applications and is the OEM MAP sensor for GM LSA and LS9 supercharged engines.

This is a factory 3 bar MAP sensor that is a great upgrade for forced induction applications. Tuning required.