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Brodix Cylinder Heads 11 STD X Cylinder Heads

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Brodix 11 STD X cylinder heads offer great flow, straight out of the box. They feature a very strong deck surface, allowing for the use of nitrous and blowers. Hardened valve seats are standard, allowing for use with unleaded fuels, and phosphorous valve guides ensure proper valve guide wear. Brodix recommends that these heads be installed on 400 cu. in. or larger engines. They require a special stud girdle and longer pushrods, and piston valve notches must be checked for clearance. A valve length of .150 in. longer than stock is required. Brodix 11 STD X heads are available in both bare and assembled styles.