PLEASE NOTE: Delays in processing orders. Orders placed between Tuesday 21 January and Monday 10 February will be processed 11 February.
Bolt cylinder head, Norton twins (ea). Outer head bolt by spark plugs, 4 required. Head 3/8BSF, 3/8 x 26tpi x 2-5/16in . Pre 750 head. These fit iron heads and alloy heads. The bolt heads are 3/8 in BSF and were reduced in head size after early Commandos. Atlas heads have a different size bolt. Original part numbers: D12/972; T2096; 060401; 06-0401 - cylinder head and barrel bolt (long) 3/8"