GM Stage 1 Sensors


48 reviews

This product is currently sold out.

Replace your factory MAP sensors that blow out when you turn up your boost with these GM 3 bar map sensors in just a few minutes!

PCM file update required, See "Option 2" on our ZZP LNF 1.0 PCM page.

LNF only!


  • (2) GM 3.3 bar map sensors (good to 33psi)
  • (2) O-rings
  • (2) GM Plug and Play wire harnesses

ECU Programming

In HP Tuners, set the MAP sensor linear to 65.89, MAP sensor offset to -6.35, Boost sensor linear to 65.89, and Boost sensor offset to -6.35.

Customer Reviews
4.9 Based on 48 Reviews
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george S.
United States United States
Awesome service

from the time i orderd till the time it showed up it was a wonderful experience

ZZPerformance GM Stage 1 Sensors Review
United States United States
Great product Exceptional Customer Service

Class Act all the way!

Ricky W.
United States United States

I haven't installed them yet but I have bought an engine and it works great

ZZPerformance GM Stage 1 Sensors Review
A ZZPerformance Customer
Malcolm S.
United States United States
this should the fist upgrade to any LNF motor

The lower sensor is a bit tricky to get seeted all the way in. but nothing a washer cant fix.

Kurt F.
United States United States
A summary of zzp map sensors

I do thoroughly enjoy the added power given from the stage 1 map sensors and a simple tune, although functionality wise there were complications. The lower charge pipe used small screws that were well under sized for the size of the bolt hole on the lower sensor. This led to me having to modify the pipe just to keep the sensor in place. Otherwise I do thoroughly enjoy your products, keep em comin