| Also known as | 68-661 |
| Diagram | Fig. 3 — CYLINDER BARREL, EXHAUST PIPES, VALVES · ref 40 |
| Subsystem | engine top |
| Listed in parts books | 1969–1970 |
BSA Inlet valve
An inlet valve (PN 68-0661) for BSA cylinder head assemblies, appearing in valve gear catalog figures from 1969-1970.
This is an inlet valve, part number 68-0661, listed under BSA cylinder and valve gear figures. It's a bottom-end-and-top-end wear item that sits in the cylinder head, opening to let the fuel/air mixture into the combustion chamber on the intake stroke.
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Our catalog record ties this one to BSA figures covering the cylinder barrel, exhaust pipes, and valves, with appearances running 1969-1970. It's also known by the alternate number 68-661, which is just a formatting variant of the same part.
If you're rebuilding a head and need to know which specific model this valve suits, give us a call before ordering. The catalog entry we have is brief on exact model fitment, so it's worth confirming against your engine.
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