Page 2 of Small Block Ford SR (2.9L V6), Man O'War Cylinder Heads by World Products

ford v6 s/r reinforced rocker shaft mounting pads superior replacement for crack-prone oem ford v6 cylinder heads ideal for use by economically-minded production engine rebuilders thicker spring pads and combustion chamber roof machined surfaces assure superior gasket sealing mounting bosses drilled and tapped in the correct oem location deck and port walls approximately 50 thicker than oem the factory cylinder heads used in many ford rangers broncos and other vehicles have developed a reputation for cracking the need was such that world developed these improved replacements for the original world s s/r 2.9 ford v6 head also comes with reinforced shaft pads and hardened steel why hassle with used heads that are just as likely to fail as they are to last exhaust seats all bolt holes and mounting bosses are exactly in the original through any warranty period smart per s invest in world heads location plus precision drilled and tapped to ensure optimum ease of far superior to factory castings designed for optimum reliability assembly a recap of key features and benefits is as follows no core tracking or worrying about the condition of a core decks are approximately 50 thicker than factory castings lower labor costs no machining required and everything fits priced lower than oem parts more profit for rebuilders machined gasket surfaces assure improved sealing add to this the satisfaction of providing a superior port walls are approximately 50 thicker than stock product and being secure in the knowledge that reinforced shaft mounting pads customer satisfaction is assured you can kiss come thicker spring pads and combustion chamber roof backs goodbye with world 2.9 heads hardened steel exhaust valve seats are fully compatible with today s get no core replacement formulated unleaded gas heads for chevrolets too what s more as an oem replacement for ford part #6090caj,world s/r 2.9 ford v6 heads are fully 50-state emissions legal.because of the propensity for oem ford 2.9 port walls are 50 combustion chambers have heads to crack,it is highly advisable to replace them at rebuild rather than put a lot thicker than stock a thicker roof to provide of machining effort,parts and assembly labor into factory castings that are apt to fail to eliminate cracking improved dependability at any time cost-conscious engine rebuilders will recognize that an investment in s/r 2.9 ford v6 heads will pay dividends by eliminating costly comebacks world replacement heads save time money no cores technical specifications material high density cast iron valve seats integral intake hardened steel exhaust valve size 1.650 intake x 1.420 exhaust oem valve guide 5/16 integral cast iron accessory flange stock locations included in assembly oem replacement steel valves umbrella style valve seals valve springs oem steel retainers and keepers ford 2.9 v6 part 052900 052900-1 description replacement 2.9 ford v6 bare replacement 2.9 ford v6 assembly valves n/a 1.650 x 1.420 spring oem 16 rev 2/07 cylinder heads

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