Engine parts

Big end shells : Engine set : Standard : 1.750" diameter

064285
23255/25384, NM23255/25384
£29.95 excl VAT

Shim : Oil pump seal to pump : 0.030" thick

21146
NM21146
£0.55 excl VAT

Tappet adjuster : Allen screw type : 500cc - 850cc Heavyweight Twins : Set of 4

067546A
067546, NMT2074, T2074, D12/803
£23.00 excl VAT

Rocker spindle retaining plate : Made in England : Set of 4 : Plated

067579
NMT2239, T2239, D12/946
£9.50 excl VAT

Nut : Rear rocker cover : Plated

T2162
NMT2162, 067562, D12/955
£1.75 excl VAT

Sprocket : 18D2 distributor only : Heavyweight Twins : 18 teeth

20688
NM20688
£51.00 excl VAT

Cylinder head : Alloy type : 1955-57 : Concave : Good threads

K12/136
K12/136
£60.00 excl VAT

Serrated washer : Fan disc : 1/4 inch I/D

18202
NM18202, 067700
£0.14 excl VAT

Circlip : Intermediate gear spindle

17823
D12/941, NM17823, 067690
£0.50 excl VAT

Spring : Advance and retard : Pair

068046
54415642
£5.25 excl VAT

Oil junction block : Engine 116376 onwards : 1966 onwards

032047
£45.75 excl VAT

Washer : Various positions : 1/4in internal diameter : Plated

T2221
NMT2221, 067577
£0.38 excl VAT