Complete Rework of Hydraulic Valve Housings
under on roof entails the following:

Honing and sizing of valve bores
Initial O.D. grind of valve spools to clean up wear and prep for chrome
Hard chrome plating of spools
Finish grind O.D. of spool and refit to OEM clearance specifications

The Benefits of Utiliizing This Process Include:

Chromed valve spools will wear up to 4-5 times longer
Advantage of 50% or more savings when compared to replacement cost