| Diagram | Fig. 2 — Engine: Cylinder, Cylinder Head and Fittings · ref 9 |
| Subsystem | engine top |
| Listed in parts books | 1971–1972 |
Norton Valve Spring Seat
A valve spring seat for the cylinder head, giving the valve spring a proper seating surface.
NMT2073 is a valve spring seat, listed in the engine top-end section covering the cylinder, cylinder head, and fittings. A spring seat like this sits under (or over, depending on the layout) the valve spring, giving the coil a proper flat surface to bear against as the valve opens and closes.
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Our catalog record on this one is thin - it shows up in a single listing tied to the early '70s, with no other details attached. If you're rebuilding a head and need to confirm this is the right seat for your engine, give us a call and we'll work through the fitment with you before you order.
We've never carried this one. Tell us what you're after and we'll go looking — you'll get a price and photos before you commit to anything.
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