Defined as the aluminum cylinder head casting, valves, guide seats, springs, retainers & locks, BluePrint Engines aluminum cylinder heads are some of the finest high-performance cylinder heads in the industry! Precision engineered and manufactured, our heads will provide outstanding trouble-free performance from your new cylinder heads for your high-performance engine. BluePrint Engines expressly warrants that its cylinder head is of good quality and free from defects in materials or workmanship. Purchaser acknowledges that BluePrint Engines has made no affirmation of fact or promise relating to its cylinder head outside this Limited Warranty and BluePrint Engines has provided the purchaser no description, sample or model of its cylinder head upon which the purchaser has relied in deciding to purchase a BluePrint Engines cylinder head. BluePrint Engines will, at its sole discretion, repair or replace defective parts or a complete cylinder head, upon receipt of the cylinder head for inspection by BluePrint Engines for review and a determination by BluePrint Engines that the cylinder head failure is covered by this limited warranty. Call BluePrint Engines at 308-236-1050 for a Bill of Lading (BOL) number. Purchaser shall be responsible for all cost, including removal and shipping of the cylinder head, associated with the return of the cylinder head to BluePrint Engines. Repairs or replacements do not extend this Limited Warranty.