Comes in a set of 4 for 1 engine Stem Diameter 6.0 mm
Comes in a set of 4 for 1 engine Stem Diameter 6.4 mm
Comes in a set of 4 intake and 4 exhaust valves for 1 engine
10-HS-315 + 10-HS-316
Made in Japan
Caution: Important information:
S500 / S600 Early to Mid year, Honda used 6.0mm valves for both intake and exhaust. 6.4mm exhaust valves came on Late type S600 to S800. If you have early or Mid year S600 and trying to install late type exhaust valves, you need to machine or replace the valve guide, and machine the tip of the guides so you can fit late type 6.4mm valve stem seals. In this case, you need to purchase 6.0mm valve seals for Early / Mid Year S600 for the intake side, and 6.4mm valve seals for Late type valves.
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