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Fits 1996-2003 Jeep Wrangler TJ and Cherokee with 2.5 Liter4 Cylinder Engine Jet Performance Chip Stage 2 with Manual or automatic transmission Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Jet Performance Chip Stage 2 for manual or automatic transmission Fits: 2007-2008 Jeep Grand Cherokee WK 3.7L 2006-2008 Jeep Commander XK 3.7L 2007 Jeep Liberty KJ 3.7L 2008 Jeep Liberty KK 3.7L Computer controlled engines on all new cars and trucks are run by programmed chips that tell the engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Jet Performance Chip Stage 2 for automatic or manual transmission Fits: 2006 Jeep Grand Cherokee with 3.7L 2004-2006 Jeep Liberty KJ 3.7L Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 1991 Jeep Wrangler YJ with 4.0 Liter 6 Cylinder engine Jet Performance Chip Stage 2 with automatic transmissions Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 1992 Jeep Wrangler YJ with 4.0 Liter 6 Cylinder engine Jet Performance Chip Stage 2 with automatic transmissions Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Jet Performance Chip Stage 1 with automatic transmissions Fits: 1994 Jeep Wrangler YJ 4.0L 1994 Jeep Grand Cherokee ZJ 4.0L 1994 Jeep Cherokee XJ 4.0L Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 1991 Jeep Wrangler YJ with 4.0 Liter 6 Cylinder engine Jet Performance Chip Stage 2 with manual transmissions Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 1992 Jeep Wrangler YJ with 4.0 Liter 6 Cylinder engine Jet Performance Chip Stage 2 with manual transmissions Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 1993 Jeep Wrangler YJ with 4.0 Liter 6 Cylinder engine Jet Performance Chip Stage 2 with manual transmissions Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Jet Performance Chip Stage 1 with manual transmissions Fits: 1995 Jeep Wrangler YJ 4.0L 1995 Jeep Grand Cherokee ZJ 4.0L 1995 Jeep Cherokee XJ 4.0L Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Jet Performance Chip Stage 1 with manual transmissions Fits: 1994 Jeep Wrangler YJ 4.0L 1994 Jeep Grand Cherokee ZJ 4.0L 1994 Jeep Cherokee XJ 4.0L Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 2004-2006 Jeep Wrangler TJ, Unlimited and Grand Cherokee with 4.0 Liter V6 engine Jet Performance Chip Stage 2 with automatic or manual transmissions Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Jet Performance Chip Stage 1 for Manual or Automatic transmission Fits: 2007-2008 Jeep Grand Cherokee WK 4.7L 2006-2008 Jeep Commander XK 4.7L Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 1993 Jeep Grand Cherokee with 5.2 Liter engine Jet Performance Chip Stage 2 with Automatic transmission Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 2004-2006 Jeep Grand Cherokee with 4.7 Liter engine Jet Performance Chip Stage 1 for automatic or manual transmission Computer controlled engines on all new cars and trucks are run by programmed chips that tellthe engine what to do. Factory chips compromise between fuel economy and performance. The Jet Powertech Performance Chip replaces the stock computer chip and maximizes various performance characteristics. New programming adjusts spark timing & the air/fuel ratio to tune the engine for maximum power when you need it. Provides improved performance under demanding conditions such as towing & wide open throttle acceleration. Installs in less than 30 minutes and is legal in all 50 states.

Fits 2005-2006 Jeep Grand Cherokee Jet Low Temperature Thermostat

Jet Low Temp Thermostat 1997-2002 Jeep Wrangler with 2.5 Liter Engine 1991-2002 Jeep Wrangler with 4.0 Liter Engine 1991-2001 Jeep Cherokee with 4.0 Lieter Engine 1996-2000 Jeep Cherokee with 2.5 Liter Engine 1993-2002 Jeep Grand Cherokee with 4.0 Liter Engine 1998 Jeep Grand Cherokee with 5.9 Liter Engine 1993-1998 Jeep Grand Cherokeee 5.2 Liter Engine Reduced engine temperatures add life to your engine and provide a denser air/fuel mixture which helps produce more horsepower. Consistent control of engine temperature allows an engine to operate at its peak efficiency no matter what the driving conditions. The factory 195 degree thermostat simply cycles open and closed, this reduces cooling efficiency in any engine. With the JET 180 degree thermostat you get consistent engine cooling and a precise metering of water throughout the engine. Constructed of stainless steel the JET Thermostat offers a lifetime warranty.