Full set of 8, or 4 intake, 4 exhaust
 
These are hand-down the best valve guides you can buy for your U20..These will probably outlast the rest of your engine - do it once-do it right and forget about it, Great price!
 
100% Made here in USA on a CNC turning center from the finest German silicon-bronze.
 
Production quality guides - We make these by the 100's so they are always in stock.