twins - engine parts

NOS (shop soiled)
Fits type 88-99 1958-
Casting nr. T2004
OPN: 21013

NOS
Made in England
Fits 500 - 600 - 650 - 750 Twins
-1964
For sidecar use
OPN NMT 2180A = 01.2178 = 06.7563A

Used, but in good condition
Made in England
Will fit all Commando's 1971-
OPN 06.6161

Used, but in good condition
Made in England
Fits: 750 - 850 1972-1974
OPN 06.1073

New stock
Made in Italy
Oversize + 0,20" = 77.5mm
Norton partnumber: 06.38.38

NOS
Made in England
Standard size (77Ø) with ¾" gudgeon pins
Will fit short stroke engine with RH7 cylinder head only

NOS
Made in England
Fits: 850 MK3 E.S. only 1975 - (some small scratches, see picture)
OPN: 06.4691

NOS
Made in England
1975-
OPN: 06.4731

NOS
Made in England
OPN: 06.4706
06.8072 (2x)
06.5652
06.4707
06.4743 (6x)
06.4744
06.4741
06.4740 (3x)
06.4745
06.4754

Condition: NOS
1956 - 1970
single & twins

Condition: NOS
9:1 compr. ratio
for 750 Atlas & Commando engines 1964 - 1971
Combat engines 1971 excluded
Sizes 73 - 74.0

Condition: NOS
9:1 compr. ratio
for 750 Commando Combat engines
1971 - 1973
Sizes 73 - 74.0

Condition: New stock
Fits Norton Commando 750 or 850Priced and sold per pair

Made in England

Condition: New stock
1969 -
Made in the UK

Condition: NOS
1973 -
Copper head gasket
Made in England

Condition: NOS

OPN 06.4733
1975 -
Made in England

Condition: NOS
Complete with pair of Omega H.C. pistons
77 mm STD-size

Condition: NOS
Fit all COmmando 750-850 types
1968 - 1975
Made in England2 x inlet + 2 x exhaust

Condition: New stock
Fit all COmmando 750-850 types
1968 - 1975
Made in England2 x inlet + 2 x exhaust

Condition: Used, but in good working order
new sealed bearings
1968 - 1975

Condition: NOS
1968 - 1976
​Made in England

Condition: NOS
Oversize 41 mm
1968 - 1975Sold and priced per piece

Condition: NOS
1968 - 1975
Made in England

Condition: NOS

Condition: NOS
1969 - 1974
Made in England

Condition: NOS
1968 - 1974
Made in England

Condition: New stock
Complete with sliding plates and felt seal (supplied loose)
Fits Norton Commando 750 1969-
+ 850 MKZ 1974-

condition: NOS
32 to 30mm diameter
models: 750 Commando or 850 Commando RH10 cyl.head
priced per pair

condition: NOS
32mm diameter
priced per pair

Condition: New stock
1969 - 1971
Made in the UK by DONPriced and sold per set.

condition: NOS, but two pieces of broken off lower cooling fin were repaired. This only shows from to bottom, not from side/top, which are smooth/sandblasted. See photos.

condition: NOS.

condition: NOS, unmachined

condition: NOS

condition: NOS.

condition: NOS
model years: 1968-1974

models years: 1973-1975

including oil seals
model years: 1968-1973

Condition: Used but good
1975 -

Condition: NOS
Fit Norton Commando 850 MK3 Electric start
10 pieces
1975 -
Made in EnglandPriced and sold per set.

Condition: NOS
Fit Norton Commando 850 MK3 Electric Start
10 pieces
Made in the U.K.Priced and sold per set.

Condition: NOS
Genuine set with chrome plated toprings
size 77mm diameter
Made in England Priced and sold per 2 sets.

Condition: NOS
Fits Norton Commando 750 - 850
1972 -
Fits 5-plate clutch

Condition: NOS
Fits all Norton Commando 750 - 850
1968 - 1975

Condition: NOS
New o.s. barrel, bored and honed to 0.09 mm clearance

Condition: NOS
Complete with sundries
​Made in England

Condition: NOS
1959 -
250 cc
60 mm diameter STD size Priced and sold per set.

condition: NOS
fits all Norton, AJS and Matchless singles and twins
model years: 1956-1968

Condition: NOS
1956 - 1970
Made in England

New Stock

improved friction material

pre AMC-type

Made in England

1947-1957

fits: 16H, ES2, Dominator

Condition: NOS
Complete with HT lead & clamp
6 volt
1958 - 1965

NOS
Made in England
Genuine Norton factory product (1976)
New but with 0.10" overzize cylinder bores
OPN: 06-3823 (06.5074)

Condition: N.O.S.
For fitting Amal MK2 or Mikuni carbs
Inlet size 30mm or 34mm
Made in England

Condition: N.O.S.
Genuine bearing bush for laydown gearbox - 1956
Made in UK by Norton Motors

Condition: NOS
1959 - 1972
Fits all singles & twins with AMC-type clutch
​Made in England Priced and sold per set of 4.

Condition: N.O.S.
Special lowratio gear for Trials & Motocross use
Replaces: 04.0420 20T gear
Made in England by Quaife Engineering, Tonbridge

Condition: N.O.S.
Genuine rocker arm L/H exhaust
Fits: all twins 1952-
Made in England

Condition: N.O.S.
Genuine rocker arm l/h exhaust
Fits: all twins 1952-
Made in England

Condition: N.O.S.
Fits: Dominator 7-88-99-650SS-750, Atlas 1949-1969
Made in England

Condition: Used, no fins broken
Has 1 new exhaust valve seat + 2 new helicoil inserts for exhaust
Fits: 650 Manxman + SS 1961-1968

Condition: Used and abused, broken fins (1 big 2 small) 1x stripped exhaust thread, valve seats okay
Inlet dia +/- 30mm

Condition: New stock
Fits: Oversize cylinder barrel (06.1705/06) with 74.3mm boresize

Condition: N.O.S.
New cyl. barrel
Bored to 78mm c.w. new hepolite piston set .040" oversize
Made in England

Condition: N.O.S.
Fits: 500-600cc Twins 1949-1959
Valve guides are .002" o.s. for tight fit
Made in England

Condition: N.O.S.
Set complete
Fits: Dominator 88-99 Manxman-650SS 1960-1966
Valve guides are .002" oversize for tight fit.
Made in England

Condition: N.O.S.
Complete set
Fits: Atlas 750 1964-1966
Valve guides are .002" oversize for tight fit
Made in England

Condition: N.O.S.
Consists of 4 valves and 4 guides
Fits: 1969-1971 750 Commando's kit
Valve guides are .002" oversize for tight fit
Made in England

Condition: N.O.S.
Set complete with valve stem seals (06.2726)
Fits: 1971- Combat engine
Made in England

Condition: N.O.S.
Set complete with circlips & seals
Fits: 850 Commando 1973-
Made in England

Condition: N.O.S.
Black Diamond type inlet valve for all 750-850 Commando's
Made in USA

Condition: N.O.S.
Fits: Early 750 Commando 1969-
Tapered dia: 1 3/16" - 1 1/8" (29-30mm)
Made in EnglandPrice for one piece

Condition: N.O.S.
Fits all Commando engines 750-850 MK3
Made in England

Condition: Used, no fins broken
.020" oversize
Fits: 1949-1957 500 Twins, type 7+88 (pistons available)

Condition: New stock
Sizes available:
- 77 mm (std)
- 77.5 mm (+.020)
- 78 mm (+.040)Made by Hepolite

Condition: N.O.S.
Fits: All 750 Twins 1964-1973
Made in England

Condition: N.O.S.
Fits: Original starter motor
Made in USA

Condition: N.O.S.
Fits: Std starter motor 1975-
Made in USA

Condition: N.O.S.
Fits: All 750 Twins 1966 - 1974
Made in England

Condition: N.O.S.
Strengthened gearbox shell for all Norton-AMC Gearboxes 1958-1978
also LH gearchangeMade in England

Condition: N.O.S.
A.E. Autoparts ltd
Made in England by Hepolite

Condition: N.O.S.
Fits: 750 Commando with 850-type cyl. barrel + RH7 cyl. head
Made in England by Omega

Condition: N.O.S.
Fits: all 650-750-850 Twins + older types
Part nrs: NM 25330 - 25332 - 25334 - 25336
Made in England by Norton Motors

Condition: N.O.S.
Fits: 750+850 Twins 1963 - 1975
Replace Part no. 06.3037 + NM25396

Condition: N.O.S.
Fits: 500 OHV Twins 1948-1960
Std bore 66mm
CR: 9:1
Made in Italy by GPM

Condition: N.O.S.
Fits: 500 OHV Twins 1948-1960
Std bore = 66mm
CR = 7.8 : 1
Made in Italy by GPM

Condition: New stock
Fits: 500 Twins 1948-1960
CR = 7.8 : 1
Made in Australia by JP Pistons

Condition: N.O.S.
Fits: Most British twins
Made in England

Condition: New stock
Fits: 600-650cc Twins 1956-1970
CR = 8.9 : 1Made in Australia by JP Pistons

Condition: N.O.S.
Fits: All 750 Twins 1964-1974
Hard-chrome top rings
Oil-rings with expanderMade in Italy

Condition: Reconditioned crankshaft conrods + new bearings
Ready to fit
Fits: 600cc twins 1958-
Stroke: 82mm
Alfernator type

Condition: Reconditioned c/w o.s. bearings
Fits: 600cc twins -1958
Stroke: 82mm
Magneto-Dynamo type