50,000 to 65,000 miles. Use as long block and keep all your accessories Intake, Exhaust Manifolds, ALT, PS, AC, etc. Engine Head & Block. Fuel rail & injectors. Distributor or coil packs. Electronics, seals and accessories are NOT covered. ONLY HEAD & BLOCK. The engine and transmission must be installed by certified mechanic. We accept the following types of payments. Major Credit Cards, Pre-Paid Credit Cards and Debit cards. The test and inspection is to determine that no damages have occurred to the products or items during the client? If during inspection we discover that the item was damaged or destroyed while under the client?