PLEASE NOTE: Delays in processing orders. Orders placed between Tuesday 21 January and Monday 10 February will be processed 11 February.
Valve cups (top collar) for Inlet and exhaust valve, for Norton twins, matchless twin 1964+ (each), titanium, set of 4. 4 required per engine. Suits Norton 500/600/650/750/850 Twins 1949-75 & Matchless 750 G15 1964-68 with Norton engine steel top valve spring collar (4 reqd). Thisckness: 0.35 inch (8.9mm); Diameter: 1.19 inch (30.25mm) Wt: 42g compared to 72g for set of steel collars. Original part numbers: D12/147; T2073; T186; NM186; 067506; 06-7506 - valve spring cup top
