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JET 20310S - GM Full-Size Truck Automatic/Manual
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Item Number: 20310S
* Whole number only
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2003-07 Silverado/Sierra 4.3L, Stage-2
Adds Up To 25HP!
Late model GM vehicles without removable chips require the use of the JET Power Control Module (PCM). The JET PCM provides the same type of Power Tuning as a JET chip and is the most sophisticated tuning device for late model GM vehicles available today. The JET PCM is a 20Mhz RISC computer that controls air/fuel, ignition advance and transmission tuning for the ultimate in power gains.
STAGE-1: Designed primarily for stock engines with no other modifications.
STAGE-2: Off-road use only. For vehicles modified with low restriction exhaust and low temperature thermostat.
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