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Two Thompson Products engine valves, p/n S-820:
$16.95
Offered for sale is a set of two NORS valves by Thompson Products, p/n S-820. Specific vehicle applications unknownValve dimensions:Stem dia. .342Head dia 1.437Length 5.283One valve has very light pitting on one small area of the valve stem, the other valve is free from defects.Original box missing
