Thicker decks for greater strength. Superior port finish for increased flow. Improved flow design to resist cracking. Redesigned water flow for greater thermal conductivity.
CNC machined guides and seats. 25 point quality check on every head.Assembled heads use OE quality stainless steel valve, springs, retainers, keepers and viton seals. Message us if you have any questions on this item. Rate applies to continues 48 states in the United States only. Let us know so that we may improve our listings and service! Every effort has been made to keep our listing error free, and we reserve the right to correct any errors that may occur. Actual product may vary from the picture(s) provided. We do our very best to accurately describe every product. We are not responsible for product changes made by manufactures. WARNING: This Product May Contains Chemicals Known To The State of California to Cause Cancer, And Birth Defects Or Other Reproductive Harm.
Visit the P65Warnings CA GOV website for more information. The item "Mercruiser 4.3L V6 Vortec Assembled Cylinder Head 12557113 PAIR" is in sale since Wednesday, May 2, 2018.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Cylinder Heads & Parts". The seller is "aamidwest" and is located in N. Las Vegas NV, Chicago IL . This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Viet nam.