Full set of 8 -- 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.
 
Unlike cheaper "service quality" guides sold by others, these are precision machined from the best guide alloy you can buy.