This GSC Power Division intake/exhaust valve guide is a single manganese bronze replacement 2.25 inches long with .3415in ID, .502in OD, a +.001in oversize and a .35in taper. Supplied as an individual guide, it provides a precise taper and slight oversize for correcting worn guide bores while maintaining proper valve positioning in compatible cylinder heads.
GSC P-D SBC Intake/Exhaust Valve Guide 2.25in L x .3415in ID x .502in OD +.001in .35in Taper- Single