1.j Norton Gaskets/Seals for SOHC, OHV, SV Models

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 

These 1/4" x 0.750" stainless steel bolts (supplied with nut and washers) have a head reduced to the absolute minimum and slight 5/16" shoulder on the shaft, which allows a 5/16" washer to be fitted - which provides a wider surface area than if a 1/4" washer was used - which is better for use with flattened mudguard stays and when fitting racing number plates. Sold as a pack of 4

This 'variable' item listing offers a number of 17/64" x 25tpi fasteners, as fitted to Douglas 2 3/4hp and 4hp motorcycles in Edwardian times.  This diameter and thread size was obscure - and specific to Douglas models of the Edwardian era, and has not been commonly available for many years.  See item listing for more detail

4 x 1/4"Clevis Pins, 5.8" length. Note these clevis pins are not the type I sell for gearbox linkages or checkspring clevis's, which require a slightly longer clevis pin, those are shown in the gearbox/fork section. In case you need to check, the distance from shoulder to the start of the split link hole on these is 0.446" and they use 1/16" split pins (also listed in this section)

Breather Pipe (listed in Norton 1948 catalog as Pressure Release Pipe) and 1/4" BSP union nut to fit bevel chamber of all SOHC models (30/40, M30/M40 etc)

Breather Pipe (listed in Norton 1948 catalog as Pressure Release Pipe) and 1/4" BSP union nut to fit bevel chamber of all SOHC models (30/40, M30/M40 etc)

Complete Cambox Feed pipe and 1/4" BSP union nut's to fit all SOHC models (30/40, M30/M40 etc), with lockwired oil resistent pipe middle piece - so pipe length can be adjusted to suit the height length of your crankcase/barrel/head/cambox combination.  Comes as complete assembly, with spare lockwire length

Breather pipe to fit breather union of type fitted to the front of drive side crankcase - most commonly fitted to magnesium M30 (and early pre-Featherbed Manx) crankcases 

Crankcase feed pipe to cambox and 1/4" BSP union nut's to fit all SOHC models (30/40, M30/M40 etc) - this is the bottom piece of the cambox feed pipe assembly - which we offer here to be purchased seperately

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

Pair of screws used to secure the internal mechanism of Smiths Chronometric Rev Clocks and Speedo's to the case.  

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

Chronometric speedometer or rev clock Needle - early type with through hole 

Chronometric speedometer or rev clock - Black face retaining screws - pack of 4 

Chronometric speedometer or rev clock - Black face retaining screws - Each

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).

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