LETRIPP II XMS4A DIY MANUAL V2.1 www.perfectpower.com 2
PERFECT POWER XMS4A – Engine Management System DIY MANUAL V2.1
4. EXPLANATION OF XMS4 UNITS AVAILABLE
There are 6 different versions of the XMS4 unit available, and in this section we explain each
version available.
Hardware
Type
Part
Number
Details
A XMS4A-2A
2 Injection and Ignition Outputs, 4 Cylinder Batch Injection with
installed AMP sensor
A XMS4A-4A
4 Injection and Ignition Outputs, 4 Cylinder Sequential Injection.
4 Set points with installed AMP sensor.
B XMS4B-4A
4 Injection and Ignition Outputs, Wideband lambda controller. 4
Set points, with installed AMP sensor.
B XMS4B-8A
8 Injection and Ignition Outputs, Wideband lambda controller. 4
Set points, with installed AMP sensor.
C XMS4C-4A
4 Injection and Ignition Outputs, ETC, Wideband lambda
Controller. 8 Set points, with installed AMP sensor.
C XMS4C-8A
8 Injection and Ignition Outputs, ETC, Wideband lambda
Controller. 8 Set points, with installed AMP sensor.
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