Triumph Spitfire Herald. For sale we have a set ofTriumph Spitfire/Herald Cylinder Head Studs (Kit No: T4SC050S). There are8 x 3/8" UNF x 4 11/64" long & 2 x 3/8" UNF x 4 3/8" long. The slightly longer studs are used to mount the engine lifting eye on the cylinder head.
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