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Champion Spark Plug. STD OHV Engines = Bosh M8AC
Diameter at thread: 18mm x 1,5
Height without thread: 57mm
H,J,K,WM20/21 Bsa. 16H, Big4 Norton.
Mid war Bsa/Norton change to 14mm
Spark Plug Champion L86C
Please Note:
M20 and 16H owners, please check the size of your spark plug, as it can be 14 mm or 18 mm.Comparable spark plugsBosch old M145 T 1Bosch new M8ANGK A-6
 

Champion Spark Plug N5C
14 mm

For Racing

=B6EB. B6EB-L. B5EB. B4ES. A.M.C AJS 1950-64 all models ( alloy heads ) exept racer Ariel Square 4 MkII Alloy Ariel VB exept FH, HS BSA B32GS, B40, B34 Alloy Head, C10L, C15, C15T Matchless 1950-64 all models: Alloy Head exept scramblers and racers Norton Model 16H 500cc SV, Big Four 596cc SV, E2, 88,7, 99, Alloy, 19R, 19S, 50, 77, 500T Royal Enfield 350cc Bullet 3/4" reach, 500cc Bullet 3/4" reach, Meteor Minor Sports, From Eng. No. 7028 onwards, 700cc Constellation Sunbeam 1946 onwards S7 & S8 Twins Triumph T140, TR65 Velocette: KSS 350 MK.II, MAC 350cc Alloy, Viceroy Vincent Black Shadow, Rapide, Comet, Meteor, Lightning, Prince, Knight, Victor

Choke Carburettor Spring Amal

L: 48mm
OD top: 18mm
OD bottom: 29mm

Made in England

ID Head Gasket: 76 mmsuitable for:

AJS 500cc. M20 1956-59
AJS 600cc. M30 1956-59
AJS 650cc. 31

Matchless 500cc. G9 1956-59
Matchless 600cc. G11 1956-59
Matchless 650cc. G12 1959Made in EnglandThe primary gasket does not fit all models, this is calculated at 0 EUR.

suitable for:

AJS 500cc. OHV Model 18

Matchless 500cc. OHV Model G80
iron head

suitable for:

AJS 250cc. Models 14,14CS
AJS 350cc. Model 8

Matchless 250cc. Models G2,G2CS
Matchless 350cc. Model G5 Made in England

Norton De-Coke Gasket Set
suitable for:

Norton 16H, Big Four 500cc. 1938-47Made in England

suitable for:

Norton 500cc. JV
(Alloy Head Gasket)Made in england

suitable for:

Norton 350cc. OHV Model 50Made in England

suitable for:

Norton 750cc. OHV Atlas P11A
(Copper Gasket)Made in England

suitable for:

BSA 150cc. T/S D3 Bantam Major Made in England

suitable for:

BSA 250cc. SV C10L Made in England

BSA Engine Gasket Set 500ccOHV B31/B33/M33 1947-60
Iron Head/Iron Barrel Mod.Made in England

suitable for:

BSA 500cc. OHV Gold Star B34
DBD Gold StarMade in England

suitable for:


BSA 250cc. OHV C15, C15 Sports Star SS80Made in EnglandPlease look at all pictures

suitable for:

BSA 659cc. OHV A65 Twin A65LMade in England

suitable for:

BSA 250cc. OHV B25 Starfire C25

Triumph 250cc. OHV
TR25W,T25SS,T25T Made in England

suitable for:

BSA 500cc. OHV B50SS Gold Star,
B50T Victor TrailMade in EnglandPlease look at all pictures

suitable for:

Panther 600cc. OHV Model 100 Redwig Made in England

Triumph Engine Gasket Set 1939-57

suitable for:

Triumph 500cc. OHV 5T Speed Twin
(mit Kupferdichtung)

Triumph T100 Iron Head and Barrel Mod. only
Not to be used for Alloy barrel and head
1939-50

Made in England

suitable for:

Triumph 500cc. OHV Tiger 100,T100 (Alloy)With a copper headgasket with a bore or 72 mmMade in England

Triumph Engine Gasket Set 1949-55

suitable for:

Triumph 6T Thunderbird TR6, TR110
(with Copper Head Gasket)Made in England

suitable for:

Triumph 500cc. OHV Tiger 100with a copper headgaskt bore 68 mmMade in England

suitable for:

Triumph 650cc. OHV
TR6 Trophy, TR6 S/S
T110
(with Copper Head Gasket) Made in England

suitable for:

Triumph 500cc. OHV 5TA Speed Twin 1965-69
Triumph 500cc. OHV Tiger 100 1965-69
T100R
T100C
T100SST100T
(with Copper Head Gasket)Made in EnglandPlease look at all pictures