Tune Up Kit for 1991-1993 Jeep XJ Cherokee or MJ Comanche w/ 4.0L Engine Crown Automotive Engine and Components - Valves & Springs - Engine Valve Adjuster The sound is surprisingly calm

The sound is surprisingly calm considering the absence of any impedance when you look down its barrel

Vehicles manufactured prior to 2-28-99 require yet another different box kit due to a change in the factory track bar

GM Trucks Carbon Pro Trims/Not Compatible

Each filter comes pre-oiled and ready for use

1990-1992 Ford Bronco (Transmission Code: R2 & Transmission Base Gear: 5 & Transmission Control Type: Manual / Note: aluminum case and top cover

Tune Up Kit for 1991-1993 Jeep XJ Cherokee or MJ Comanche w/ 4.0L Engine Crown Automotive Engine and Components - Valves & Springs - Engine Valve Adjuster The sound is surprisingly calmTune Up Kit for 1991 1993 Jeep XJ Cherokee or MJ Comanche w 4. 0L Engine, Includes Distributor Cap and Rotor, Air Filter, Fuel Filter, Oil Filter, Spark Plugs and Ignition Wires Features and Benefits: 12 Month Warranty For Models w 4. 0L Engine Includes Distributor Cap and Rotor, Air Filter, Fuel Filter, Oil Filter, Spark Plugs and Ignition Wires Spark Plugs Are Not Pre Gapped Use Existing Hardware Details: Material: See Components Hardware Included: