Description: Application: For All GM LS Series Engines( LSX, LS1, LM7, LR4, LQ4, LS6, L59, LQ9, LM4, etc).!!!Not compatible with FAST 102 intake manifolds.!!! PERFORMANCE:Increase the flow of coolant in the block, reducing engine temperature, thereby eliminate hot cylinders and detonation. Material: made of high quality Aluminum. EASY TO USE:Can be installed on the front or rear of the cylinder heads.Compatible with factory style head bolts or ARP 12 point head studs. Package Included: 1x Steel Braided Hose;2x Coolant Ports with Orings;1x Plugs with Orings;2x Bolts Specification: Material: made of high quality Aluminum. Color: as picture. 100% quality assurance tested, more responsive, less expensive, easier to install. Increase the flow of coolant in the block, reducing engine tempe.