ANY NON-PERFORMING ENGINE PURCHASED INCLUDES A 90-DAY WARRANTY (STARTING FROM THE DELIVERY DATE). ANY PERFORMANCE ENGINES (I.E. TURBOCHARGED, SUPERCHARGED, KL31, VTEC VVTI VVL VVTL-I VVT MIVEC, ETC) INCLUDE A 30-DAY WARRANTY (STARTING FROM TH DELIVERY DATE). ANY ROTARY OR DIESEL ENGINE IS NOT UNDER WARRANTY AND SOLD AS IS. ENGINES AND TRANSMISSIONS MUST BE INSTALLED BETWEEN THE WARRANTY PERIOD. ALL PERFORMANCE OR NON-PERFORMANCE TRANSMISSIONS ARE COVERED BY A 30-DAY START UP WARRANTY AGAINST DEFECTIVE INTERNALS ONLY. THE WARRANTY COVERS ONLY INTERNAL PARTS OF THE ENGINE BLOCK AND HEAD(S) AS WELL AS TRANSMISSION AND DOES NOT INCLUDE EXTERIOR ENGINE/TRANSMISSION AND RELATED PARTS SUCH AS CLUTCHES, FLYWHEELS, FLEX PLATES, DISTRIBUTORS, COIL PACKS, IGNITORS, ALTERNATORS, A/C PUMPS, POWER STEERING PUMPS OIL/WATER PUMPS, SOLENOIDS, SENSORS, VALVE COVERS, OIL PANS, MANIFOLDS, FUEL SYSTEM, TURBO/SUPERCHARGERS, AND TORQUE CONVERTERS. IN THE EVENT OF A DEFECTIVE ENGINE BLOCK, HEAD, OR TRANSMISSION, WE WILL BE RESPONSIBLE TO EITHER REPLACE OR FIX THE DEFECTIVE PART ONLY, AT OUR DISCRETION. YOUR MECHANIC IS AT NO POINT IN TIME AUTHORIZED TO DISASSEMBLE OUR ENGINE OR TRANSMISSION UNLESS OTHERWISE NOTED.