Gasket set, Norton SV, decoke, 1948-54

Norton decoke gasket set with copper head gasket for SV singles 16H, Model 1 (Big 4) 1948-54. 
Original Norton part numbers:
C2/137; cylinder head joint washer  - (copper gasket)
C2/117 - cylinder base paper washer
C2/71 - valve chest cover washer
C2/697 - valve chest sealing washer, top x 2
C3/88 - valve chest sealing washer, bottom x 2

[DJ-#11]