SOHC Drive Side Mainshaft NutProduct no.: 0079 A11/475- Large right hand thread driveside nut, secures engine sprocket on taper - Fits all SOHC engines and early DOHC engines. CNC Machined. Price is Each. £14.70 * can be shipped within 10 days |
Driveside Mainshaft (Sprocket) Woodruff Key - Pack of 3Product no.: 0355 A2/474This is the Woodruff key that is fitted on the driveside mainshaft and stops the sprocket from rotating. It fits all Norton single engines, SOHC and OHV and SV engines. This item is for a pack of 3 woodruff keys £8.00 * |
SOHC Pre-Featherbed Engine Sprocket - 17T to 23T AvailableProduct no.: 0650 A11/473- SOHC Engine Sprocket (all models) for Pre-Featherbed models. Various teeth available from 17T to 23T. Update Feb 2025: We are having a new batch of 19T/20T/21T manufactured at the moment, should be available approx May 2025. Place order or email us to Pre-order, as only limited quanties. £98.00 * |
SOHC Featherbed Engine Sprocket - 17T to 22T AvailableProduct no.: 0651 A11/473- SOHC Engine Sprocket (all models including early DOHC Long Stroke Manx Type) for Featherbed models. Various teeth available from 18T to 22T £98.00 * |
Norton SOHC (and OHV/SV) - Renolds Primary Chain and Split LinkProduct no.: 0448 A11/477This is a high quality Renolds primary chain, and Renolds split link to fit a Norton SOHC engine, with standard Norton clutch basket diameter (i.e. either International or Manx). Note: standard SOHC International/Manx primary chains are listed as 76 Links in the 1948 Norton spares catalog. Our chains are 78 links (including the split link), so you can fit the chain as is, or remove a link if a smaller sprocket is used. Will also fit OHV and SV single cylinder models £51.00 * |
Norton - Renolds Primary Chain Spare Split LinkProduct no.: 0449 A11/477bSpare Renolds split link for Norton Primary Chain: (ignore number on the bag . . . I got it wrong . .. it is 449!) £8.00 * |
Norton - Renolds Primary Chain Half LinkProduct no.: 0450 A11/477c
Renolds half link for Norton Primary Chain. First and foremost, I would say it is not considered good practice to fit half (or one and a half) links to primary chains. However, if you find that fitting a different toothed sprocket leaves you with a difficult range of adjustment, then this half link may be used - at least until normal chain stretch allows for it to be removed. Note: these are half links . . . which are quite unusual. It is more usual to fit a 'link and a half' which we also sell seperately. However, these are available if a link and half will result in too long a chain.
£9.50 * |
Norton SOHC/OHV - Renolds Racing Quality Primary Chain and Split Link (Synergy)Product no.: 0886 A11/477RThis is best quality Renolds primary chain (similar spec to the old GP type - now called Renolds Synergy), and Renolds Synergy split link to fit a Norton SOHC engine, with standard Norton clutch basket diameter (i.e. either International or Manx). Note: standard SOHC International/Manx primary chains are listed as 76 Links in the 1948 Norton spares catalog. Our chains are 78 links (including the split link), so you can fit the chain to be sure - in case using a larger than standard engine sprocket. £105.00 * |
Norton SOHC - Renolds Racing Quality Chain - Spare Split Link (Synergy)Product no.: 0887 A11/477b-RThis is best quality Renolds Synergy Spare Split Link, to go with our Racing quality primary chain (item 0886). Price is per split link £13.00 * |
Norton - Renolds Racing Quality Primary Chain - Spare Split Link and a Half (1.5 link)Product no.: 0887b A11/477b-SThis is best quality Renolds Synergy Spare Split Link + one half (i.e. 1.5 links), to go with our Racing quality primary chain (item 0886). Price is per split link. See listing detail for more information £21.00 * |
SOHC All Models - Mainshaft Drive Side Shim - Various Sizes (Each)Product no.: 0262 A11/46a- Essential when rebuilding your SOHC engine to ensure that the conrod sits central in the crankcase and that the roller bearing inner cage on the drive side does not have excess play on the crankshaft - This is for a single shim in one of the following sizes: 0.5mm/0.3mm/ 0.2mm/0.1mm/0.05mm. See listing for more detail on thicknesses. £4.00 * |
SOHC All Models - Mainshaft Drive Side Shim - Set of 5 ShimsProduct no.: 0262b A11/46a-s- Essential when rebuilding your SOHC engine to ensure that the conrod sits central in the crankcase and that the roller bearing inner cage on the drive side does not have excess play on the crankshaft - This is for a complete set of 5 shims in the following sizes : 0.5mm/0.3mm/ 0.2mm/0.1mm/0.05mm. See listing for more detail on thicknesses.
£19.00 * |
SOHC All Models - Mainshaft Timing Side Shim - Various Sizes (Each)Product no.: 0263 A11/46b- Essential when rebuilding your engine to ensure that the conrod sits central in the crankcase and that the roller bearing inner cage on the drive side does not have excess play on the crankshaft. This is for a single shim in one of the following sizes: 0.5mm/0.3mm/ 0.2mm/0.1mm/0.05mm. See listing for more detail on thicknesses. £4.00 * |
SOHC All Models - Mainshaft Timing Side Shim - Set of 5 ShimsProduct no.: 0263b A11/46a-s- Essential when rebuilding your engine to ensure that the conrod sits central in the crankcase and that the roller bearing inner cage on the drive side does not have excess play on the crankshaft. This is for a complete set of 5 shims in the following sizes : 0.5mm/0.3mm/ 0.2mm/0.1mm/0.05mm. See listing for more detail on thicknesses.
£19.00 * |
SOHC All Models - Timing Case Mainshaft/Bevel Shim - Various Sizes (Each)Product no.: 0264 A11/46c- Essential when rebuilding your engine to ensure that the mainshaft bevel has the correct backlash and position in relation to the lower vertical bevel gear, these mainshaft shims fit between the timing side main bearing and the mainshaft bevel gear - This shim is used once the crankshaft has been shimmed and you are fitting the lower bevel gears. This is for a single shim in one of the following sizes: 0.5mm/0.3mm/ 0.2mm/0.1mm/0.05mm. See listing for more detail on thicknesses. £4.00 * |
SOHC All Models - Timing Case Mainshaft/Bevel Shim - Set of 5 ShimsProduct no.: 0264b A11/46a-s- Essential when rebuilding your engine to ensure that the mainshaft bevel has the correct backlash and position in relation to the lower vertical bevel gear, these mainshaft shims fit between the timing side main bearing and the mainshaft bevel gear. This is for a complete set of 5 shims in the following sizes : 0.5mm/0.3mm/ 0.2mm/0.1mm/0.05mm. See listing for more detail on thicknesses. £19.00 * |
SOHC Mainshaft Bevel Gear - International EnginesProduct no.: 0422 A11/748This is the crankshaft bevel gear,, fitted to SOHC International (i.e. aluminium crankcase models - not magnesium) and 1930 onwards CS1 engines. These gears faithfully replicate the original Norton tooth profile and pattern and we have them made for us by a top specialist UK gear manufacturer. Price is Each. Price is Each. 24/12/21: - New batch Just in - identical to previous batch £160.00 * |
SOHC Mainshaft Bevel Gear - Manx EnginesProduct no.: 0423 A11M/748- This is the crankshaft bevel gear,, fitted to SOHC pre-Featherbed magnesium racing engines - i.e. M30/M40 and SOHC Manx type engines. These gears faithfully replicate the original Norton tooth profile and pattern and we have them made for us by a top specialist UK gear manufacturer. Price is Each.Price is Each. 24/12/21: - New batch Just in - identical to previous batch £160.00 * |
SOHC Lower Vertical Shaft Bevel GearProduct no.: 0421 A11/751- This is the lower vertical bevel gear, fitted to all SOHC International and Manx engines and also fitted to earlier DOHC Manx engines. These gears faithfully replicate the original Norton tooth profile and pattern and we have them made for us by a top specialist UK gear manufacturer. See detail listing for more information. Price is Each. 24/12/21: - New batch Just in - identical to previous batch £240.00 * |
Crankcase Breather One Way Valve - All Norton SinglesProduct no.: 0248 A2/707Correct (and as per original) 1/4" BSP 'One Way Valve' - as fitted to all Norton singles, including all SOHC, OHV and SV models - this item screwing into the recess just above the drive side main bearings, allowing the engine to breathe correctly. July 2023: Now back in Stock £23.00 * |
SOHC/OHV/SV Breather, One Way Valve, Sump Plug - Copper Washer- Pack of 3Product no.: 0091b E5264-C2- Good quality Copper washer suitable for 1/4" BSP fittings on most Norton SOHC/OHV/SV engines - i.e. One Way Valves, Breather Unions and Crankcase Oil unions. They can also be fitted to 1/4 BSP petrol taps if required - see listing for details. Sold as a pack of 3 £2.60 * |
SOHC Crankcase Feed/Return Oil Pipe Union (Original Type)Product no.: 0246 A11/721These are the unions that screw into the crankcase behind the timing chamber - it is the smaller 1/4" BSP side that screws into the crankcase, the larger side is 3/8" BSP and takes the distinctive large oil pipes fitted to Norton Internationals. £13.00 * |
Crankcase Oil Pipe Union - AFProduct no.: 0246b A11/721-AFThis is the Union that fits into International and SOHC Manx crankcases for both Feed and Return. It allows for the standard 3/8" BSP SOHC Norton oil pipes to be connected. It is very close to original but is a modern item, and uses a larger spanner hex, requiring a UNF spanner. This is a cheaper alternative to the original brass union that I have made specially (Item no 0246), but as you only need to screw it in once this is not really an issue - item is still high quality and is cadmium plated. - Price is per each £9.00 * |
SOHC Crankcase Union/Cambox Union/Breather Union (straight thru)Product no.: 0248b A11/719This is a faithful reproduction of the straight through union fitted to SOHC (and DOHC) cambox's for connecting the cambox oil feed pipe (fitted at top of crankcase and cambox), but also used as a front crankcase breather on many Inters and magnesium racing engines. Finally it is also fitted as a breather union on the bevel chamber of magnesium racing crankcases behind the inner timing cover (while Inter crankcases instead employ a pressure telltale unit). Copied from an original pre-war item
£11.00 * |
Crankcase Breather (straight thru) - AFProduct no.: 0248c A11/719-AFThis is modern replacement for the straight thru breather used on Norton crankcases and timing cases - but uses AF Hex (not Whitworth) - if you are not worried about originality! £8.00 * |
Red Fibre 'Pre-Threaded' Tight Fit 1/4" BSP Washers (i.e. Sump Plugs/Unions) - Pack of 5Product no.: 0249 A11/719FWThese Red Fibre Washers are a smaller diameter than 'normal' 1/4" BSP washers - but then pre-threaded by us - so they are a good fit on those Norton fittings that used 1/4" BSP thread, but have a groove behind the thread - e.g. Norton pre-48 Oil Sump Plugs and some breather union fittings. See detail listing for more information. This listing is for a bag of 5 washers £4.30 * |
SOHC Crankcase Bevel Platform - Oil Return Blanking Plug/Washer (SS)Product no.: 0660 A11/08XDistinctive small hex blanking plug/bolt that locates on the left side on the crankcase lower bevel platfom. CNC maufactured in stainless steel and includes red fibre washer £4.50 * |
SOHC Oil Filter (Dowty) WasherProduct no.: 0090 E5264- Modern equivelant Dowty washer (outer washer is zinc plated steel, inner washer is neoprene). This washer is used behind the timing chamber filter bolt and also at the back of the rear cylinder crankcase mouth bolt (that has an oil feed) £1.05 * |
Norton SOHC - Crankcase Bevel Pressure Release Pipe (Breather Pipe)Product no.: 0627 A11/717Breather 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) £12.00 * |
Norton SOHC - Crankcase Bevel Pressure Release Pipe (Breather Pipe) - LongProduct no.: 0628 A11/717LBreather 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) £13.50 * |
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