Jet Performance 99313 Performance Stage 1 for 1993 Jeep Grand Cherokee ZJ with 5.2L Engine & Automatic Transmission

Gain up to 25 hp, the Jet Powertech Performance Chip replaces the stock computer chip and adjusts the spark timing and the air/fuel ratio to tune the engine for maximum performance. These chips install in minutes. (*Some applications for off-road use only, call for info. 800-745-6037)