1.e Norton SOHC Crankshaft Parts

Lockwire:  12"/(approx) 300mm length of Goodrich stainless steel lockwire, for lockwiring breather pipes

Black (original rubber style) 5/16" oil reistent pipe for cambox feedpipe assembly - 4.5"/110mm length

Black (original rubber style) 5/16" oil reistent pipe for use for oil breather pipes, oil pipes (or even big bore fuel pipes if required - although 1/4" bore pipe is more normally used) - 3 foot /900mm length - This type is ethanol proof and all writing removed

Black (original rubber style) 5/16" oil reistent pipe for use for oil breather pipes, oil pipes (or even big bore fuel pipes if required - although 1/4" bore pipe is more normally used) - 3 foot /900mm length

This is the E3224 3/8" x 26 tpi BSC engine nut as fitted to many Norton engine bolts.  It has the correct 'reduced head' and greater depth than other commercially available nuts of this thread/size - and is CNC made specially by us for fitting to Norton engine bolts, but in stainless steel.  This (deeper type/Reduced hex) was used on numerous SOHC, OHV and SV engine bolt applications, as well as the nut holding the brake arm on the brake plate and horn to chassis

This is the special 13294 front engine plate top bolt that is fitted to M30/M40 (pre-Featherbed Manx) magnesium engines.  It has the correct 'reduced' head 0.600" AF hex head, with distinctive Norton curved head finish.  This set comes complete with correct matching E3224 nut and two washers, all in stainless steel. It is 3/8" shaft diameter  

This is the E3238 7/16" x 20 tpi engine nut as fitted to many Norton engine bolts.  It has the correct 'reduced head' and greater depth than other commercially available nuts of this thread/size - and is CNC made specially by us for fitting to Norton engine bolts, but in stainless steel 

This is the special 10410 front engine plate lower bolt that is fitted to M30/M40 (pre-Featherbed Manx) magnesium engines.  It has the correct 'reduced' head 0.600" AF hex head, with distinctive Norton curved head finish.  This set comes complete with correct matching E3238 nut and two washers, all in stainless steel.  It is 7/16" diameter shaft 

This is the special SOHC 13293 M30/M40 7/16" front/middle engine bolt - machined with the correct racing Norton type 'wasted' head, as fitted to M30/Manx Nortons.  It has the correct 'reduced' head 0.600" AF hex head, and the set comes complete with correct matching E3238 nut and two washers, all in stainless steel.  It is 7/16" diameter shaft 

Crankcase drive side breather pipe that fits on one way valve on SOHC road going International models with Norton oilbath chaincease fitted, includes lockwire for fitting black oil pipe, (if required)  

Norton International oil tank top breather pipe.  This pipe was original fitment on the top of half wrapround International oil tanks, feeding the breather pipe over the frame saddle tube. Includes lockwire for fitting black oil pipe (if required).

7/16" Stainless Steel Engine Bolt Spring Washers.  Alternative to item 0661 - Reduced Outer Diameter plain washers.  Used on Norton 7/16" Engine Bolts with reduced hex heads as used on SOHC engines: Price is for bag of 10

This is the E3223 5/16" x 26 tpi BSC cradle engine bolt - two of which were fitted to each Norton single engine fitted to a cradle frame. 

This is the distinctive E4268 7/16" x 20 tpi BSC short engine bolt that was used to bolt the rear engine plates to the upright frame tube on most 1930s - 1950s Norton frames.  These are CNC machined by us in stainless steel (with linished flats).  

This is the E4256 7/16" x 20 front engine bolt set as fitted to Norton International Model 30/40 (pre-Featherbed models), with the correct distinctive 'Norton type' reduced hex and curved head profile.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. It is as used on all rigid and plunger framed SOHC models from 1930's/50's

This is the E4256 7/16" x 20 top/rear engine bolt set as fitted to Norton International Model 30/40 (pre-Featherbed models) - above the magneto, with the correct distinctive 'Norton type' reduced hex and curved head profile.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. It is as used on all rigid and plunger framed SOHC models from 1930's/50's

This is the E4256 7/16" x 20 under magneto/rear engine bolt set as fitted to Norton International Model 30/40 (pre-Featherbed models) - above the magneto, with the correct distinctive 'Norton type' reduced hex and curved head profile.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. It is as used on all rigid and plunger framed SOHC models from 1930's/50's

This is the 10432 (Norton part number) 7/16" x 20 above magneto/rear engine bolt set as fitted to some competition Norton Model 30M (500cc) models - i.e. to fit the SOHC Manx 500cc crankcase.  It has a 'wasted head', meaning it is fractionally lighter as well as looking very pretty.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. It is as used on many competition engines from 1930's/50's

This is the 10432 (Norton part number) 7/16" x 20 below magneto/rear engine bolt set as fitted to some competition Norton Model 30M (500cc) models - i.e. to fit the SOHC Manx 500cc crankcase.  It has a 'wasted head', meaning it is fractionally lighter as well as looking very pretty.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. It is as used on many competition engines from 1930's/50's

This is the E4262 5/16" x 26 engine cradle bolt set as fitted to Norton International Model 30/40 and all other Norton models if fitted into a 'Cradle' type frame. This bolt has the normal Norton curved head shape and deeper hex than commercial 5/16" bolts.  Two of these bolts are fitted and feed through the bottom frame cradle and engine.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. It is as used on all rigid and plunger cradle framed SOHC models from 1930's/50's 

This is the 13289(Norton part number) 1/2" x 20 Engine Bolt set - but as fitted to SOHC Norton International Model 30 and Model 40 models, with the rounded head profile as would be expected on roadgoing International models.  It should be noted that Norton themselves actually used a 0.5" Stud with nuts both ends for this bolt on roadgoing models - but that was probably for convenience, so this bolt is manufactuered as a Hex head bolt, with a nut on just one end (as per the Manx equivelant, but with rounded head). The set is CNC machined from stainless steel with the correct 'reduced Hex' head and profile, 2 stainless washers and reduced Hex wider nut

This is the 13289(Norton part number) 1/2" x 20 Engine Bolt set - M30/M40 (SOHC Manx Model) Norton front frame bolt, with the racing style 'Wasted Head' profile as would be expected on competition Manx models of the 1930's - 1950's magnesium engined models. 

As well as saving a small amount of weight over the 'rounded head' type, they also look very pretty. The set is CNC machined from stainless steel with the correct 'reduced Hex' head and profile, 2 stainless washers and reduced Hex wider nut

This is the E3227 0.5" x 20tpi nut that is used on the front downtube engine bolt on Model 30/40 and M30/M40, CS1/CSJ models.  The nut follows original Norton profile - i.e. being a reduced sized Hex and deeper in depth than other commercial 0.5" nuts. The nut is CNC manufactured by us in non rusting stainless steel

This is the E4251 3/8" x 26tpi below magneto/rear engine bolt set as fitted to early Norton International Model 40/Pre 48 Manx Model 40M (pre-Featherbed models) - as fitted below the magneto, with the roadgoing type distinctive 'Norton type' rounded head/reduced hex curved head profile.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel

This is the E4251 3/8" x 26tpi above magneto/rear engine bolt set as fitted to early Norton International Model 40/Pre 48 Manx Model 40M (pre-Featherbed models) - as fitted above the magneto, with the roadgoing type distinctive 'Norton type' rounded head/reduced hex curved head profile.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. 

This is the E4251 3/8" x 26tpi below magneto/rear engine bolt set as fitted to early Norton Model 40M/Pre 48 Manx Model 40M competition models - as fitted below the magneto, with the competition type distinctive Norton type 'Wasted Head'/reduced hex curved head profile.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel 

This is the E4251 3/8" x 26tpi above magneto/rear engine bolt set as fitted to early Norton Model 40M/Pre 48 Manx Model 40M competition models - as fitted above the magneto, with the competition type distinctive Norton type 'Wasted Head'/reduced hex curved head profile.  The set consists of hex head bolt, deep nut and two washers - CNC manufactured by ourselves in Stainless Steel. 

This is the E4251(Norton part number) 3/8" x 26 Engine Bolt set - front lower crankcase - approx 4pm position as fitted to SOHC Norton International Model 30 and Model 40 models. This has the rounded head profile as would be expected on roadgoing International models.  The set is CNC machined from stainless steel with the correct 'reduced Hex' head and profile, 2 stainless washers and reduced Hex wider nut

- Single row ball bearing - Fitted to the outer of the two driveside mainshaft bearings in the crankcase on all SOHC engines, both International and early Manx.  This is from top quality manufacturer RHP - but like so many original Norton bearings - the original C3 (loose fit) type are now unobtainable, and these are the STD fit type.  See detail listing for more information.

- This is a very useful tool, that no workshop should be without - a plastic circular valve/ignition disc, with hole that can be opened out to suit all Norton singles.  Price is Each