JET Powertech Performance Chips Product images may differ from actual product appearance. These JET Performance Stage 1 or 2 Chips modify air/fuel ratio, ignition, and other parameters with a range of tuning programs that are tested to ensure the most horsepower without adverse effects on drivability or fuel economy. Stage 1 For stock or mildly modified engines Fuel and timing curves optimized for use with low octane Fuel burned at peak efficiency for improved performance and mileage Midgrade octane is recommended for even better gains Stage 2 For performance enthusiasts (works with aftermarket intakes, mass air sensors, TBI spacers, etc.) Fuel and timing curves extensively modified for use with 91 octane (required) More aggressive than Stage 1 programming for the most horsepower and torque available Requires 180° thermostat and free-flow exhaust

561-18415S

Stage 2 Performance Chip 1984 350 automatic View this item Fits Applications

$127.99 Ships

561-18513S

Stage 2 Performance Chip 1985 305 automatic View this item Fits Applications

$127.99 Ships

561-18609S

Stage 2 Performance Chip 1986 305 4 Barrel Carburetor Automatic View this item Fits Applications

$127.99 Ships 02/23/12

561-18611S

Stage 2 Performance Chip 1986 Camaro, Monte Carlo, Firebird, Trans Am V8 - 5.0L - HO/L69 Automatic View this item Fits Applications

$127.99 Ships 02/23/12

561-18614S

Stage 2 Performance Chip 1986 Corvette 5.7L - L98 W/ iron heads View this item Fits Applications

$157.99 Ships

561-28703S

Stage 2 Performance Chip 1987 350 TBI automatic View this item Fits Applications

$127.99 Ships

561-28913S

Stage 2 Performance Chip 1989 350 TBI auto w/overdrive View this item Fits Applications

$127.99 Ships

561-29005S

Stage 2 Performance Chip 1990 350 TBI auto w/overdrive View this item Fits Applications

$127.99 Ships

561-29105

Stage 1 Performance Chip 1991 350 TBI TH700-R4 with overdrive View this item Fits Applications

$119.99 Ships 02/23/12

561-29105S

Stage 2 Performance Chip 1991 350 TBI TH700-R4 with overdrive View this item Fits Applications

$127.99 Ships

561-29205

Stage 1 Performance Chip 1992 350 TBI TH700-R4 with overdrive View this item Fits Applications

$119.99 Ships

561-29205S

Stage 2 Performance Chip 1992 350 TBI TH700-R4 with overdrive View this item Fits Applications

$127.99 Ships

561-29208S

Stage 2 Performance Chip 1992 350 TBI manual (3.42 or 3.73 axle ratio only) View this item Fits Applications

$127.99 Ships

561-29305

Stage 1 Performance Chip 1993 350 TBI auto w/overdrive View this item Fits Applications

$149.99 Ships

561-29305S

Stage 2 Performance Chip 1993 350 TBI auto w/overdrive View this item Fits Applications

$157.99 Ships

561-294055

Stage 1 Performance Chip 1994 350 TBI auto w/overdrive View this item Fits Applications

$149.99 Ships

561-294055S

Stage 2 Performance Chip 1994 350 TBI auto w/overdrive View this item Fits Applications

$157.99 Ships

561-29405S

Stage 2 Performance Chip 1994 350 TBI auto w/overdrive (California models) View this item Fits Applications

$157.99 Ships 02/23/12

561-29501

Stage 1 Performance Chip 1995 350 TBI auto w/overdrive & 3.73 gear View this item Fits Applications

$149.99 Ships 02/23/12

561-29501S

Stage 2 Performance Chip 1995 350 TBI auto w/overdrive & 3.73 gear View this item Fits Applications

$157.99 Ships

561-289128S

Stage 2 Performance Chip 1989-90 CK 2500/3500 350 AT View this item Fits Applications

$127.99 Ships 02/23/12

561-29210S

Stage 2 Performance Chip 1992 7.4L - L19 Automatic W/ Overdrive W/ 4.10(GT5) or 4.56(HC4) Rear End Gear Ratio View this item Fits Applications

$157.99 Ships 02/23/12

561-18700S

Stage 2 Performance Chip 1987 305 Automatic View this item Fits Applications

$127.99 Ships 02/23/12

561-28708S

Stage 2 Performance Chip 1987 2.8L TBI Automatic View this item Fits Applications

$127.99 Ships 02/23/12

561-18817

Stage 1 Performance Chip 1988 Corvette 5.7L - L98 View this item Fits Applications

$149.99 Ships 02/23/12

561-18905

Stage 1 Performance Chip 1989 305 TBI automatic View this item Fits Applications

$149.99 Ships 02/23/12

561-ATYR-S1

Stage 1 Performance Chip 1989 305 TBI automatic View this item

$119.99 Ships

561-28915

Stage 1 Performance Chip 1989 C/K 1500/2500/3500 350, Manual Trans, 5-Spd View this item Fits Applications

$119.99 Ships 02/23/12

561-29016S

Stage 2 Performance Chip 1990 C/K 1500/2500, Manual Trans View this item Fits Applications

$127.99 Ships

561-289128

Stage 1 Performance Chip 1989-90 C/K/R 2500/3500, V3500 350 automatic View this item Fits Applications

$119.99 Ships 02/23/12

561-19010S

Stage 2 Performance Chip 1990 305 automatic View this item Fits Applications

$127.99 Ships

561-19110S

Stage 2 Performance Chip 1991 305 TBI automatic View this item Fits Applications

$127.99 Ships

561-19112S

Stage 2 Performance Chip 1991 305 TPI automatic View this item Fits Applications

$157.99 Ships 02/23/12

561-19114S

Stage 2 Performance Chip 1991 350 TPI automatic View this item Fits Applications

$157.99 Ships

561-59102S

Stage 2 Performance Chip 1991 5.0L Automatic More info on JET Performance 59102S Fits Applications

$127.99 Ships

561-29109S

Stage 2 Performance Chip 1991 C/K/R 2500/3500, V3500 454 automatic View this item

$127.99 Ships

561-19217S

Stage 2 Performance Chip 1992 189 Automatic View this item Fits Applications

$157.99 Ships 02/23/12

561-99408

Stage 1 Performance Chip 1994 Ram 1500/2500, Manual Trans View this item Fits Applications

$239.99 Ships 02/23/12

561-294126P

Stage 2 Performance Chip 1994 262 Automatic 6-Pack View this item Fits Applications

$299.99 Ships 02/23/12

561-29516

Stage 1 Performance Chip 1995 C/K 1500/2500, Manual Trans View this item Fits Applications

$149.99 Ships 02/23/12

561-29519

Stage 2 Performance Chip 1995 4.3L V6 Automatic View this item Fits Applications

$149.99 Ships 02/23/12