This is a brand new Cylinder Head for GM 5.7L 350 cid Vortec V8 1998 and newer Marine Engines Only Fits 8-Bolt Intake applications only. Replaces castings 906 and 062. Includes all springs, locks and valves, assembled, ready to install
Features:
New not remanufactured
Machined and assembled in the U.S.A.
Designed and engineered for improved performance/durability over OEM
All new castings with new components
Hardened insert valve seats
3 angle valve grind for better seal
Polished stainless steel intake and exhaust valves w/heavy duty springs
Benefits:
Improved flow for better performance
Fast and Efficient Repairs
None of the problems or concerns that come with "repaired" heads
Heat Tabs show overheat conditions to protect dealer from unjust warranties
Hardened valve seats perform better with ethanol blended fuels
True Marine heads with Stainless Steel valves for added corrosion protection and high temp resistance