Piston ring New Old Stock
PISTON RING COMPRESSION (PLAIN 73mm) (NM24285) NEW OLD STOCK

in stock

Gasket & washer set
GASKET & COPPER WASHER SET FOR VALVE ROCKER SPINDLES for 500 600 650 750 & 850 Twins

in stock

Oversize rocker shaft T2237/005
ROCKER SPINDLE (DOMINATOR) +0.005" OVERSIZE

quantity required: 4

in stock

Oversize rocker shaft T2237/008
ROCKER SPINDLE (DOMINATOR) +0.008" OVERSIZE

quantity required: 4

in stock

Oversize rocker shaft 06.7924/005
ROCKER SPINDLE (NM25350) +0.005" OVERSIZE

quantity required: 4

in stock

Oversize rocker shaft 06.7924/008
ROCKER SPINDLE (NM25350) +0.008" OVERSIZE

quantity required: 4

in stock

Tacho drive assembly
TACHO DRIVE GEARBOX (1:1) (NM24563) complete with GASKET & SCREWS

in stock

Sump plug upgrade
MAGNETIC CRANKCASE (SUMP) FILTER KIT Suitable for all Norton 500-850 twins (except some1972/3 models)

in stock

Sump plug body
SUMP FILTER BODY (FOR MAGNETIC PLUG) NM16945/MAG

in stock

Oil Filter Kit
OIL FILTER KIT (WITH PLAIN 1/2" ID HOSE) BARBED PIPES

in stock

Cylinder head fixing kit 750 from engine 122436
CYLINDER HEAD FASTENINGS KIT 750 & 850 (FROM ENGINE 122436)

in stock

Cylinder head fixing kit 750 to engine 122436
CYLINDER HEAD FASTENINGS KIT ATLAS (TO ENGINE 122436)

in stock

Cylinder head fixing kit 650
CYLINDER HEAD FASTENINGS KIT DOMINATOR

in stock

Barrel Stud/Nut Kit, Atlas
CYLINDER BARREL STUD NUT & WASHER FIXING KIT (ATLAS 1962-65)

in stock

Barrel Stud/Nut Kit, SS
CYLINDER BARREL STUD NUT/WASH FIXING KIT(88SS/650SS 1962-65)

in stock

Stud
INLET VALVE COVER STUD (NM18033)

in stock

1
OIL FEED BANJO BOLT (NM18101)

quantity required: 2

in stock

2
WASHER (NMT 1084)

quantity required: 4

out of stock

3
ROCKER OIL FEED PIPE ASSEMBLY (Metal top 'Y' section) for Dominator, 650ss, Atlas and Mercury

in stock

4
INLET VALVE COVER NUT (NMT 2162)

in stock

5
WASHER (NMT 2082)

in stock

6
VALVE COVER (INLET) (NM18094)

in stock

06.7171 Compression plate
COMPRESSION PLATE 1mm (DOMINATOR)

in stock

7
GASKET- INLET VALVE COVER (NMT2084)

in stock

8
VALVE COVER NUT (NMT 2085)

quantity required: 4

in stock

9
VALVE COVER (EXHAUST) (NM18093)

quantity required: 2

in stock

10
GASKET- EXHAUST VALVE COVER (NMT2088)

quantity required: 2

in stock

11
EXHAUST VALVE COVER STUD (NMT2252)

quantity required: 4

in stock

12
INLET ROCKER R/H (NM25332) 1966 ON ONLY

in stock

13
INLET ROCKER L/H (NM25330) 1966 ON ONLY

in stock

13.2111 Spindle washer kit
VALVE ROCKER SPINDLE WASHER KIT (for 500 600 650 750 850 twins)

in stock

14
EXHAUST ROCKER R/H (NM25336) 1966 ON ONLY

in stock

15
EXHAUST ROCKER L/H (NM25334) 1966 ON ONLY

in stock

16
ROCKER BALL END (NMT 2063)

quantity required: 4

in stock

17
VALVE ADJUSTER (SOCKET HEAD)

quantity required: 4

in stock

18
VALVE ADJUSTER LOCKNUT (NMT 232)

quantity required: 4

in stock

18a
VALVE ADJUSTER SCREW (NMT 2074)

quantity required: 4

in stock

19A
ROCKER SPINDLE (NM25350)

quantity required: 4

in stock

19
ROCKER SPINDLE (DOMINATOR)

quantity required: 4

in stock

20
ROCKER THRUST WASHER (NM18102)

quantity required: 4

in stock

21
ROCKER SPRING WASHER (D12/950)(NM18103)

quantity required: 4

in stock

22
GASKET-ROCKER INNER (NMT 2083)

quantity required: 4

in stock

23
ROCKER SPINDLE INNER LOCATION PLATE (NMT 2238)

quantity required: 4

in stock

24
ROCKER SPINDLE OUTER PLATE (NMT 2239)

quantity required: 4

in stock

25
GASKET-ROCKER OUTER (NMT 2240)

quantity required: 4

in stock

26
ROCKER END PLATE SCREW (T2256) (DOMMIE/COMMANDO TO '71) No head markings

quantity required: 8

out of stock

29
STUD CARBURETTOR FIXING (23563)

quantity required: 2

in stock

29B Nut
PLAIN NUT 5/16" (NME 3231)(A2/411A)(A2/412F&R)(A11/43)(B2/640)

quantity required: 2

in stock

29A Washer
WASHER (NM11796)

quantity required: 2

in stock

30
HEAD STEADY PLATE STUD (NM18032)

in stock

31
NUT 3/8" (NME3224)(NM13968)(A2/80)(A2/526)(B4/664

in stock

32
PLAIN WASHER 3/8" (00.0010, NME5376, NME5455, APCP2696-155)

in stock

34
EXHAUST LOCKRING (CHROME PLATED BRASS - LONG EARLY TYPE for non balanced exhaust pipes) (NM18092)

quantity required: 2

in stock

34A Washer
SEALING WASHER crushable type for exhaust front pipes (06.3253) (NMT2166)

quantity required: 2

in stock

35B (650cc flat)
GASKET for CYLINDER HEAD 500/600/650 (COMPOSITE) (NM25324) for Non Spigotted cylinder barrels

in stock

35C (750cc Spigot)
GASKET for CYLINDER HEAD 750 (COPPER) 1962-66 for Spigotted cylinder barrels (NM24255) ** ANNEAL BEFORE USE **

in stock

35D (750cc flat, Copper)
GASKET - CYLINDER HEAD 750 (1mm thick COPPER) Re-usable ** ANNEAL BEFORE USE **

in stock

35E (750cc flat, Composite)
GASKET for CYLINDER HEAD 750 (EYELET) 1mm thick (NM25318 - 06.0400)

in stock

35A (650cc Spigot)
GASKET for CYLINDER HEAD 500/600/650 (COPPER) for Spigotted cylinder barrels ** ANNEAL BEFORE USE **

in stock

36 (750cc)
CYLINDER BARREL (750)

out of stock

37B (750cc)
GASKET- CYLINDER BARREL BASE (750 twins) (NM24249)

in stock

37A (650cc)
GASKET - CYLINDER BASE (500-650) (T2093)

in stock

38B (750cc)
CYLINDER HEAD BOLT (5/16") (NM24253)

quantity required: 4

in stock

38A (650cc)
CYLINDER HEAD BOLT (3/8") (T2096)

quantity required: 4

in stock

39
CYLINDER HEAD BOLT (NM25313) (NMT2097)

in stock

40
PLAIN WASHER - CYLINDER HEAD BOLTS (16213)

quantity required: 4

in stock

40A (650cc)
PLAIN WASHER - CYLINDER HEAD BOLTS (16213)

quantity required: 4

in stock

40B (750cc)
PLAIN WASHER 5/16" (E5456)

quantity required: 4

in stock

41C
CYLINDER BASE/ HEAD NUT 3/8" x 26 WHIT FORM (NM24250)

in stock

41B (750cc)
CYLINDER HEAD STUD 3/8" (NM24389) (fits in head)

quantity required: 3

in stock

41A (650cc)
CYLINDER HEAD STUD 3/8" (NM18756)

quantity required: 3

in stock

42
CYLINDER HEAD SLEEVE NUT (NM24260) (NMT2034)

quantity required: 2

in stock

43D (IN 750cc)
INLET VALVE (NM24330)

quantity required: 2

in stock

43C 650cc 125871-on
INLET VALVE (NM25499)

quantity required: 2

in stock

43A (EX)
VALVE - INLET & EXHAUST (NMT2010/NMT2204)

quantity required: 2

in stock

43B (IN 650cc)
INLET VALVE (NM 17221)

quantity required: 2

in stock

44
EXHAUST VALVE GUIDE (750 - STD) (NMT2011) cast iron

quantity required: 4

in stock

45
INNER VALVE SPRING (NM22839)

quantity required: 4

in stock

45/46 (Set)
ENGINE VALVE SPRING SET (All 650-750-850 twins)

in stock

46
OUTER VALVE SPRING (NM22838)

quantity required: 4

in stock

47
VALVE SPRING COLLAR (NMT 186)

quantity required: 4

in stock

48
VALVE SPRING SEAT (NMT 2073)

quantity required: 4

in stock

48a
WASHER HEAT INSULATING FOR VALVE SPRING (NM23392)

quantity required: 4

in stock

49
VALVE COLLET (PAIR) (NMT 187)

quantity required: 4

in stock

50
PUSHROD (IN) 8.25" 650 (NMS650/82IN)

quantity required: 2

in stock

50 125871-on
PUSHROD (INLET) 8.15" (NM25495) (NM25515)

quantity required: 2

in stock

51
PUSHROD (EX) 7.40" 650 (NMS650/82EX) ORIGINAL HOLLOW TYPE

quantity required: 2

in stock

51 125871-on
PUSHROD (EXHAUST) 7.3" (NM25497) (NM25516)

quantity required: 2

out of stock

52
CYLINDER HEAD STUD 5/16" (NMT2161) (fits in barrel)

quantity required: 2

in stock

52A
CYLINDER HEAD NUT (NMT2017)

quantity required: 2

in stock

54/55 STD
TAPPETS (PAIR IN+EX FOR ONE CYLINDER)( NM22771/NM22772)

quantity required: 2

in stock

56
TAPPET LOC'N PLATE (NMT2142) (D12/793) (D12/943)

quantity required: 2

in stock

56A
SCREW - TAPPET LOCATION PLATE (NMT 2143)

quantity required: 4

in stock

56B
LOCKING WIRE FOR TAPPET PLATE SCREWS (ENOUGH FOR 4 SCREWS)

in stock

57B (650cc +.020")
PISTONS 600/650 (68.50mm. + .020") (PAIR)

out of stock

57C (650cc +.040")
PISTONS 600/650 (69.00mm. + .040") (PAIR)

in stock

57D (650cc +.060")
PISTONS 600/650 (69.50mm. + .060") (PAIR)

in stock

57A (650cc STD)
PISTONS 600/650 (68.00mm. STD) (PAIR)

in stock

58A (750cc STD)
PISTONS 750cc (73.0mm STD) PAIR

in stock

58B (750cc +.020")
PISTONS 750cc (73.5mm +.020") PAIR

in stock

58D (750cc +.040")
PISTONS 750cc (74.0mm +.040") PAIR

in stock

58C (750cc +.030")
PISTONS 750cc (73.75mm +.030") PAIR

in stock

58E (750cc +.060")
PISTONS 750cc (74.5mm +.060") PAIR

in stock

58f
PISTON RING SET 600/650 68.00mm STD

in stock

58g
PISTON RING SET 600/650 68.50mm +.020".

in stock

58i
PISTON RING SET 600/650 69.50mm +.060".

in stock

58j
PISTON RING SET 750 (73.0mm STD)

in stock

58k
PISTON RING SET 750 (73.5mm +.020")

in stock

58m
PISTON RING SET 750 (73.75mm +.030")

in stock

58h
PISTON RING SET 600/650 69.00mm +.040".

in stock

58l
PISTON RING SET 750 (74.0mm +.040")

in stock

58n
PISTON RING SET 750 (74.50mm +.060")

in stock

59
CON ROD ASSY (NM25369)

quantity required: 2

in stock

60B (-.010")
BEARING SHELL SET (+.010" oversize) (NM25165) for 650 750 and 850 Norton twins

in stock

60C (-.020")
BEARING SHELL SET (+.020" oversize) (NM25166) for 650 750 and 850 Norton twins

in stock

60D (-.030")
BEARING SHELL SET (+.030" oversize) (NM25167) for 650 750 and 850 Norton twins

in stock

60E (-.040")
BEARING SHELL SET (+.040" oversize) (NM25168) for 650 750 and 850 Norton twins

in stock

60A (STD)
BEARING SHELL SET Standard size (NM23255) for 650 750 and 850 Norton twins

in stock

60
BEARING SHELL SET Standard size (NM23255) for 650 750 and 850 Norton twins

in stock

61a
CON ROD BOLT (3/8) (NM23254) - MADE IN USA BY ARP

quantity required: 4

in stock

61
CON ROD BOLT (3/8") (NM23254)

quantity required: 4

in stock

63
CON ROD LOCKNUT (3/8") (NM23253)

quantity required: 4

in stock

64 (750cc)
750/850 CRANKSHAFT (ONE PIECE) UNBALANCED - BALANCED BY OWNER

out of stock

64A Dowel
DOWEL (NMT 2105)

in stock

64B Crankshaft Nut/Bolt Kit
CRANKSHAFT NUT/BOLT KIT (500/600/650+750 up to end of 1971)

in stock

67
CRANKSHAFT BOLT (NMT 2033)

quantity required: 4

in stock

68
CRANKSHAFT STUD (NMT 2086)

quantity required: 2

in stock

69 (6off)
CRANKSHAFT NUT (NMT 2031)

quantity required: 6

in stock

69A (2off)
CRANKSHAFT NUT (RECESSED) (NM23280)

quantity required: 2

in stock

70
LOCKING PLATE (NMT 2032)

quantity required: 2

in stock

71C (19T)
ENGINE SPROCKET 19T

in stock

71E (21T)
ENGINE SPROCKET 21T

out of stock

71F (22T)
ENGINE SPROCKET 22T

in stock

71D (20T)
ENGINE SPROCKET 20T

in stock

72
KEY - ENGINE SPROCKET (NME 3682) (A2/474) (A11/797) (50.0169)

in stock

73
ROTOR NUT (NM20692)

in stock

74
KEY- ALTERNATOR ROTOR (NM20948)

in stock

75
CRANKSHAFT BALL BEARING T/S (TWINS)

in stock

76
SEALING WASHER Timing side bearing (NMT 2008)

in stock

77A Oil Seal
OIL SEAL- CRANKCASE Drive side (NMT 2187)

in stock

77
CRANKSHAFT MAIN BEARING NJ306-E-XL-M1-C3#N1 (NM17822/4) FAG Schaeffler

in stock

78
CRANKSHAFT PINION (NMT 2035)

in stock

79
KEY-CRANK/CAM(00.0572)(18429)(E3683)(A2/59)(A3/101)(A11/749)

quantity required: 2

in stock

80
BACK PLATE - CRANKSHAFT PINION (NMT 2007)

in stock

81b
CAMSHAFT DOMINATOR & ATLAS "2S" PROFILE Material: Steel 655M13 (EN36B) Made in England

in stock

81a
CAMSHAFT PW3 (DOMMIE/ATLAS/EARLY COMMANDO) WITH LUBE PACK Material: Steel 655M13 (EN36B) Made in England

in stock

81
CAMSHAFT DOMINATOR & ATLAS (NM22729) Material: Steel 655M13 (EN36B) Made in England

in stock

81A Bush, t/S
CAMSHAFT BUSH T/S (NMT 2036)

in stock

81B Bush, D/S
CAMSHAFT BUSH D/S (NMT 2037)

in stock

82
BREATHER PLATE (NMT 2078)

in stock

83
ROTARY BREATHER PLATE (TO 1963)

in stock

84
BREATHER SPRING (NMT 2108)

in stock

85
CAMSHAFT DRIVE SPROCKET (NM20829)

in stock

86
KEY-CRANK/CAM(00.0572)(18429)(E3683)(A2/59)(A3/101)(A11/749)

in stock

87A Nut for Rev Counter Drive
REV COUNTER DRIVE NUT (NM17211)

in stock

87
NUT FOR CAMSHAFT SPROCKET

in stock

88
CAMSHAFT CHAIN (NM17806)

in stock

89
CAM CHAIN TENSIONER (RUBBER-FACED) (NMT 2217) DOM/EARLY COMM

in stock

90
BACKING PLATE (THIN) (NMT 2218)

in stock

91
BACKING PLATE (THICK) (NMT 2218A)

in stock

92
STUD - CAM CHAIN TENSIONER (NMT 247) (T2006)

quantity required: 2

in stock

93
PLAIN NUT 5/16" (NME 3231)(A2/411A)(A2/412F&R)(A11/43)(B2/640)

quantity required: 2

in stock

95
INTERMEDIATE GEAR BUSH (T2026)

in stock

96
THRUST WASHER (NMT 2080)

in stock

97
TIMING GEAR SPINDLE (NMT 2021)

in stock

98
OIL PUMP ASSEMBLY (06.3037 / NM25368)

in stock

98A Gasket
GASKET-OIL PUMP

in stock

98B oil pump stud
OIL PUMP STUD (NME 4440)

quantity required: 2

in stock

98C stud nut
PLAIN NUT 5/16" (NME 3231)(A2/411A)(A2/412F&R)(A11/43)(B2/640)

quantity required: 2

in stock

99
CON ROD LOCKNUT (3/8") (NM23253)

in stock

100
OIL PUMP WORM GEAR (NM24733)

in stock

101
OIL PUMP FEED BUSH (LATE SINGLES, JUBILEE, DOMI & EARLY COMMANDO)

in stock

102
OIL PUMP SEAL (NMT272)

in stock

103
CRANKSHAFT WORM GEAR (NM24732)

in stock

106B
MAGNETO FIXING STUD (NMT 2245)

in stock

106A Gasket
GASKET for TIMING COVER (NMT 2236) Norton 500 600 650 750 850 twins

in stock

107A (650cc)
CYLINDER BASE STUD (NMT 2018)

quantity required: 6

in stock

107B (750cc)
CYLINDER BASE STUD (NM24251)

quantity required: 6

in stock

108
CYLINDER BASE STUD (STEPPED) (NMT2209)

quantity required: 2

in stock

109
CYLINDER BASE STUD (NM18943)

in stock

110 (3/8")
CYLINDER BASE NUT (NMT2016)

quantity required: 7

in stock

110A (5/16")
CYLINDER BASE NUT (NMT 2210)

quantity required: 2

in stock

111
SCREW 1/4" WHIT x 1.1/4" DOME HEAD (A3/93)

quantity required: 6

in stock

111A Washer
FIBRE WASHER 1/4"(06.7620)(NM11775)(NM20621)(A2/722)(B2/613)

quantity required: 12

in stock

112
SCREW 1/4" WHIT x 1" DOME HEAD (NME 6980) ZINC PLATED

quantity required: 6

in stock

112A Screw Set
TIMING COVER SCREW KIT (500/600/650/750 TWINS to 1970) 12 pieces

in stock

114
CRANKSHAFT OIL SEAL in timing cover (NMT 2124)

in stock

115
CIRCLIP - OIL SEAL RETAINING (NM 17841)

in stock

122
CRANKCASE BOLT (NM 13870)

in stock

123
NUT 5/16"x26 TP I(WHIT)(NME 3223)(A2/5)(B4/667)(E2/996)(16247)

in stock

124
PLAIN WASHER 5/16" (E5456)

in stock

125a Crankcase fixing set
CRANKCASE FIXING SET (DOMMIE 88/99/650/ATLAS 1962 ONWARDS)

in stock

125
CRANKCASE STUD - TOP REAR (WHIT)

in stock

126
CRANKCASE STUD 1/4"x3 9/16" (NM 19077)

in stock

500-650cc Gasket Set, non-Spigot
GASKET & SEAL SET (FULL) 500/600/650 with COMPOSITE HEAD GASKET for Non Spigotted cylinder barrels NM 25360

in stock

500-650cc Gasket set, Spigot
GASKET & SEAL SET (FULL) 500/600/650 with COPPER HEAD GASKET for Spigotted cylinder barrels

in stock

500-650cc Top Half Gasket Set, Spigot
GASKET & SEAL SET (TOP END) 500/600/650 with COPPER HEAD GASKET for Spigotted cylinder barrels

in stock

500-650cc Top Half Gasket Set, Non-Spigot
GASKET & SEAL SET (TOP END) 500/600/650 with COMPOSITE HEAD GASKET for Non Spigotted cylinder barrels

in stock

750cc Gasket Set, Spigot
GASKET & SEAL SET (FULL) 750 ATLAS with COPPER HEAD GASKET for Spigotted cylinder barrels TO ENGINE 114870

in stock

750cc Full Gasket set, non-Spigot
GASKET & SEAL SET (FULL) 750 ATLAS with COMPOSITE HEAD GASKET for Non Spigotted cylinder barrels (NM25361)

in stock

750cc Top Half Gasket set, Spigot
GASKET & SEAL SET (TOP END) ATLAS with COPPER HEAD GASKET for Spigotted cylinder barrels

in stock

750cc Top Half Gasket set, non-Spigot
GASKET & SEAL SET (TOP END) 750cc complete with COMPOSITE HEAD GASKET

in stock