2001 Jeep Wrangler TJ$10,5004.0, 5 spd, 6 inch lift,Warn 8000lb winch, New wheels and 35 tires w matching spare 10,000 miles ago, kn cold air intake, Edge tuner, Banks monster exhaust, 2 12 subs with 5 channel powering sub and the aftermarket dash and roll bar speakers, nice led headlights that work great, hi-lift jackRecently installed a new radiator, thermostat, coolant temp sensor, spark plugs, head gasket, head bolts, and cylinder head. The cylinder head is a new casting with brand new valves, valve seals, valve springs. It starts and runs better than it ever did before. Everything previously stated was replaced due to a failed thermostat that caused the motor to overheat thus cracking the head. I ran amsoil engine flush through the engine and changed the oil and filter with amsoil. Recently changed the front and rear diff fluid with amsoil and the trans fluid with Mopar manual trans fluid.404-971-411fourText is best