0.343" X 0.500" VALVE STEM SEAL 0.675" OD VITON

VALVE STEM SEAL 0.620" O.D VITON

TO SUIT .500" - .502" OD GUIDE BOSSES

11/32 VALVE STEMS

SUITS ALL 1/2" X 11/32" GUIDES

HIGH PERFORMANCE, HIGH TEMP, JAPANESE STYLE POSITIVE VITON STEM SEALS AS USED IN ALL LATE MODEL ENGINES.

UPGRADE YOUR V8, V6 OR STRAIGHT SIX CHEV, HOLDEN, FORD OR CHRYSLER ( AND MANY MORE) FROM OLD RUBBER UMBRELLAS OR O-RINGS TO THE LATEST IN LOW FRICTION POSITIVE SEALING VALVE STEM SEALS!