29429PS Powr-Shift Chip | Auto Transmission w/ Overdrive with 4.10(GT5) or 4.56(HC4) Rear End Gear Ratio | California Model Only

JET Performance Chips offer the most horsepower available for your 1981-1995 GM car, truck or SUV. Add up to 23 horsepower instantly with simple, plug-in installation! Only JET Performance Chips provide exclusive, full range Dynamic Spectrum Tuning of the air/fuel ratio, ignition advance, transmission and various other parameters. Each program is track and dyno tested to ensure the most possible horsepower and drivability from each application. The Powr-Shift Chip combines the features of a Stage 2 Performance Chip with a more agressive transmission program. 50 state smog legal!      Installation Instructions

# 29429PS