| Also known as | 70-70504 |
| Listed in parts books | Not catalogued by year yet |
EXHAUST VALVE KWPM STAINLESS
Stainless exhaust valve for the unit-construction Triumph twin engine, also listed as 70-70504.
This is an exhaust valve, made from stainless, for the unit-construction twin engines. It carries the alternate number 70-70504 in our records, so if your parts book lists it that way, you're looking at the same piece.
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The exhaust valve sits in the head and opens to let spent gases out of the cylinder on the exhaust stroke, closing again to seal combustion pressure in on the next cycle. It's a wear item that takes a beating from heat cycling, so stainless construction holds up better than a lot of the old original-spec material.
We don't have much more detail on file for this one beyond the stainless spec and the alternate number, so give us a call if you want to double check it against your specific engine before ordering.
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