WARRANTY JDM of Miami engines & transmissions carry 30 days warranty from the date shown on invoice. This warranty does not apply to rotary engines or any engine used for competition purposes. WE WARRANTY ONLY THE LONG BLOCK WITH A START UP WARRANTY FOR 30 DAYS. Our warranty covers only the internal parts of engine. What our warranty COVERS: All internal engine parts including pistons, piston rings, piston pins, crankshafts and main bearing, connecting rods and rod bearings, camshafts and camshaft bearings, timing chains and gears, intake and exhaust valves, springs, seals and guides, oil pumps, and push rods. The engines block, cylinder barrels and cylinder head are also warranted to be free of cracks or distortion. In the event of a defective engine block or head, we will be responsible to replace or fix the defective part, at our discretion. What parts and circumstances our warranty DOES NOT COVER: OUR WARRANTY DOES NOT COVER EXTERNAL PARTS. All external parts attached to the engine, e. g. turbochargers, superchargers, intake and exhaust manifolds, carburetor, distributor, alternator, starter, emission control devices, flywheel, clutch and pressure plate, water pump, thermostat, belts, hoses, timing belt, timing chain, pulleys, oil pan, etc. All labor must be done by a qualified technician. Any engine or parts that are found to have been overheated or show any signs of damage due to improper or unqualified installation procedures. The loss of engine, if the engine is red-lined or competitively raced. Loss caused by modification or forced induction (NOS, Turbo, Supercharger) for which the engine was not designed. JDM of Miami is not responsible if the engine purchased does not fit into your vehicle. Before purchasing the engine, verify that the engine will fit into your vehicle. The warranty does not cover any labor charges whatsoever for any reason; nor does it cover towing, car rental, or any other incidental charges. We are not responsible for the failure of emissions and smog tests. Make sure the engine is not open; if the engine is open the warranty will be voided. Returns: In the unlikely event that an engine or transmission is defective, the customer can return the item within their warranty time. All original packaging including the paper work must be returned. Shipping and handling fees are not refundable. Buyers are responsible for all (both ways) shipping costs. We also recommend that you purchase the carrier provided insurance to cover your loss in the event the item(s) becomes lost or damaged during shipping. The customer is responsible for checking the engine/transmission for shipping damage and missing items while the truck driver is still there. We are not responsible for damage caused by shipping. Once received, our ASE Certified mechanic will inspect engines/transmissions to ensure unqualified mechanic or improper installation and/or improper use did not cause damage. Engine/transmission will also be checked to ensure product matches the serial # and that our product comes with all the accessories it was shipped with. Our product should be returned to us the way we sent it to you. JDM of Miami assumes no liability for any damages or injury due to the use and/or installation of our engines/transmissions. Only a trained and certified mechanic should do installation of engines, transmissions, or parts.