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This GSC Power Division manganese bronze intake/exhaust valve guide is a single 2.525in long guide with .3415in ID and .502in OD and a +.001in oversize OD. Offered individually, it allows for measured bore correction or replacement of worn guides while maintaining correct valve-to-guide clearance and alignment for engines that require this specific length and diameter combination.
GSC P-D SBC Manganese Bronze Int/Exh Valve Guide 2.525in L x .3415in ID x .502in OD +.001in - Single
