1998-2003 Chevrolet 4.8, 5.3, 5.7, 6.0L, LS1, LS6 V8 style engines. LS1 and LS6 style cylinder heads.
ARP stands behind their products indefinitely with respect to materials and workmanship. Automotive Racing Products would like to deal with the customer directly when they have a problem. Automotive Racing Products is interested in customer satisfaction and will make exceptions on an individual and case-by-case basis.