These Cylinder Head studs are of the type fitted to pre-war WD16H and Big4 Side Valve engines through to 1947 - an original 1937 WD16H cylinder head stud being used as a pattern.
Price is per stud. Normally 9 are required for a complete SV Cylinder Head.
We have CNC machined these from stainless steel, using an original 1937 WD16H cylinder head stud to ensure we got the lengths of thread going into the barrel, and protruding from the cylinder head, as per the original Norton stud.
When used in conjunctions with our SV Cylinder Head Nuts (Item 1130), they transform the look of your cylinder head, and if your originals are chewed, make working on this part of the engine far easier.
This cylinder head stud was originally Part Number 9136, shown as that in the 1937 WD16H Norton Spare Parts List, but most importantly - also shown as that in the 1934, 1937 and 1939 normal road models Norton Spare Parts List - indicating it was the definitive stud used for all 16H and Model 1 (Big4) models from the indtroduction of the seperate Side Valve cylinder head in the 1930's - through to the final Side Valve 1947 Civil engine (the 1939 Norton Spare Parts is list is very rare - but shows the 1938-47 engine design, which for the Side Valve engine was slightly different to the WD design manufactured for Army use through the war - but the 39 list also shows this part 9136 still being used - proving it was used through to 1947).
Email us on sales@racingvincent.co.uk if you require more information to confirm these are correct for your engine.
If you have a 1948 onwards Side Valve model, then see Item 1132 instead, for the stud design fitted to that later engine
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