Catalog: Small Block Ford SR (2.9L V6), Man O'War Cylinder Heads
Company/Brand: World Products
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| | use by economically-minded production engine rebuilders thicker spring pads and ... as likely to fail as they are to last exhaust seats all bolt holes and mounting ... with world 2.9 heads hardened steel exhaust valve seats are fully compatible with ... at any time cost-conscious engine rebuilders will recognize that an ... 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 ...
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| | arm studs bolts on to 1987-94 mustang engines with no loss of compression dual bolt ... torque and throttle response in 5.0 engines with the jr being better suited to ... stock or slightly modified engines and the larger sr heads which have ... seats integral intake hardened steel exhaust valve guides integral cast iron valve ... arm studs accepts 7/16 screw-in studs exhaust flange stock port locations dual bolt ... gasket fel-pro #90361 or equivalent exhaust gasket fel-pro #1415 or equivalent ... windsor sr cast iron cylinder heads for small block ford 5.0 part 053030 053030-1 ...
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