1.d Norton SOHC Cambox

1.d Norton SOHC Cambox
Norton SOHC Cambox and Rocker parts

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SOHC Cambox Bolt - Long (front) - Each

Product no.: 0044 A11/108(L)

- High quality Stainless Steel cambox through bolts. Screw into Sleeve Nuts - Fits all SOHC models.  This is the longer front cambox bolt that fits through the main cambox casting. Price is Each

£13.00 *
In stock

SOHC Cambox Bolt - Short (rear) - Each

Product no.: 0045 A11/108(S)

- High quality Stainless Steel cambox through bolts. Screw into Sleeve Nuts - Fits all SOHC models.  This listing is for the shorter rear cambox bolt.  Price is Each.

£9.50 *
In stock

SOHC Cambox Bolts - Complete Set of 4

Product no.: 0046 A11/108(S&L)

- Set of 4 cambox bolts, both long and short, CNC machined in high quality Stainless Steel.  These have the correct deep Norton head hex head and top curved profile.  This listing for a set of 4 bolts

£44.00 *
In stock

New SOHC Rocker Arm Tappet Adjuster Assembly (3 Parts) - Each

Product no.: 0060 A11/803,4,5

- 3 piece tappet adjuster set, including tappet pad, outer adjuster and full width locknut - Fits all SOHC rocker arms. - A very popular item, as these are one of the main consumables of this engine. Price is each 3-part assembly. Nov 24: Now Back in Stock!

£30.50 *
In stock

New SOHC Rocker Arm Tappet Adjuster - Spare (Reduced Hex/Deep) Lock Nut (Each)

Product no.: 0060b A11/803b

- Spare top nut for the 3 piece tappet adjuster set (see our Item 0060). These special 'reduced hex'/deep locknuts are fitted to the top of the 3 Part rocker adjuster - but the locknut can sometimes come loose and drop off - so always good to carry a couple spare.  Price is Each 

£2.90 *
In stock

SOHC Cambox Rocker Rubber Pad - Set of 4

Product no.: 0308 A11/815

SOHC Cambox Rocker Rubber Pad Set: Cut/planed from hard wearing oil resistent rubber (Nitrile), to the same width and thickness as originals, Pack of 4.  See detail listing for more information on fitting

£16.00 *
In stock

SOHC Rocker Arm Rocker Pads - Each

Product no.: 0061 A11/802
- Hardened rocker pads that press into the rocker arms - high quality replacement for a part that is often badly worn - This is for the standard shaft diameter item, which should be selected if the old item was a tight/press fit into the rocker arm. If the rocker arm had a loose fitting rocker pad then select an appropriate oversize rocker pad instead. - If you are unsure, but have an old rockepad to measure - these replacement items have a shaft diameter of exactly 0.312" (Std).
£19.00 *
In stock

SOHC Rocker Arm Rocker Pads: +0.002" Oversize - Each

Product no.: 0061b A11/802+2
- Hardened rocker pads that press into the rocker arms - high quality replacement for a part that is often badly worn - This description is for a rockerpad with a +0.002" (2 thou) oversize shaft. This can be used if you believe the hole of the rocker arm is worn and the old item had become a loose fit. - If you are unsure, but have an old rockepad to measure - these replacement items have a shaft diameter of exactly 0.314" (Std 0.312" + 0.002").
£19.00 *
In stock

SOHC Rocker Arm Rocker Pads: +0.005" Oversize - Each

Product no.: 0061c A11/802+5
- Hardened rocker pads that press into the rocker arms - high quality replacement for a part that is often badly worn - This description is for a rockerpad with a +0.005" (5 thou) oversize shaft. This can be used if you believe the hole of the rocker arm is very worn and the old item had become a very loose fit. - If you are unsure, but have an old rockepad to measure - these replacement items have a shaft diameter of exactly 0.317" (Std 0.312" + 0.005").
£19.00 *
In stock

SOHC M30/Manx Type Cambox Magnesium Front Bevel Cover

Product no.: 0431 A11M/781

This is the distincive magnesium cambox cover fitted to racing SOHC camobox's, which allow for the central oil feed to the camshaft. Manufactured in magnesium alloy as were the originals.  See detail lisitng for background to the lubrication variations for different cambox types

£175.00 *
In stock

SOHC Front Cambox Cover Paper Gasket (Each)

Product no.: 0086 A11/782M

- High quality traditional paper gasket for all SOHC Cambox bevel covers, both Manx and International

£3.40 *
In stock

SOHC Rear Cambox Cover Gasket

Product no.: 0084 2X48

Paper gasket to fit all SOHC cambox back plate/cambox. This gasket is made specially for us and is virtually identical to the original Norton rear cambox washer listed in pre-war Spare Parts catalog.

£3.80 *
In stock

SOHC Model 30/40 Camshaft

Product no.: 0055 A11/790

- SOHC Camshaft to fit all standard Model 30/40/International and CS1/CJ camshafts - This camshaft is for the standard (side oil feed) cambox type bikes.  Out of Stock - But looking to manufacture new batch Jan 2025 (email for availability)

£195.00 *
Not in stock

SOHC Model 30M/40M SOHC Manx Camshaft

Product no.: 0056 A11M/790

- SOHC Camshaft to fit all central oil feed racing camshaft engines - This camshaft has provision for a central oil feed, as used on racing and competitionengines. Can also be used on standard side feed engines if required

£205.00 *
In stock

SOHC Model 30M 500cc (Longstroke SOHC Manx type) Inlet and Exhaust Cam

Product no.: 0051 CAM001

- Inlet and Exhaust cam to fit 500cc SOHC engine - with same profile as original 500cc M30/Longstroke Manx Profile 

£249.00 *
Still in stock

SOHC Model 30International 500cc Inlet and Exhaust Cam

Product no.: 0052 CAM002

- Inlet and Exhaust cams to fit 500cc SOHC Model 30/International engines 

£249.00 *
Not in stock

SOHC Model 40/40M 350cc Inlet and Exhaust Cam

Product no.: 0053 CAM003

- Inlet and Exhaust cam set to fit 350cc (Model 40/40M) SOHC engine models

£249.00 *
In stock

SOHC Model 30/40 Cam Securing Roller

Product no.: 0054 A11/796
- Silversteel roller that secures the two cams together. Quite a difficult piece to make, as it has a tight length tolerence - to avoid the issue of the cams not fully mating together (too long), or there not been enough protruding from both cams (too short).
£3.50 *
In stock

SOHC Engine - Complete (Norton type) Cheesehead SS Bar-turned Screw Set

Product no.: 0091 CH HD1

Complete cheesehead screw set for SOHC engine, in stainless steel with red fibre washers - comprising : 18 screws in total - 4 cambox front bevel screws, 6 rear cambox screws, 7 timing case screws, 1 crankcase screw and high quality fibre washer set. Original Norton head pattern - see listing for details

£62.00 *
Not in stock

SOHC Camshaft Slotted Bush Spacer Ring - Each

Product no.: 0352 A11/798

This is the distinctive slotted spacer ring that fits over the camshaft in the tunnel area between the front (bevel gear) chamber and the rear (cam) chamber on SOHC Cambox's.  For the M30 type central oil feed cambox's it is just a spacer ring, but on standard Inter camboxs it performs the important function of feeding oil to the cam lobe area.  See listing for more detail.  Price is Each

 

£16.00 *
In stock

Camshaft Bevel Shim - Set of 3 Shims

Product no.: 0328b A11/774-s

- Essential when rebuilding your engine to ensure that the upper vertical bevel gear has the correct backlash and position in relation to the camshaft bevel gear, these camshaft bevel shims fit between the camshaft and the front cambox bearing. This is for a set of 3 shims in the following sizes :  0.2mm/0.3mm/0.5mm   See listing for more detail on thicknesses.  Set of 3

£10.00 *
In stock

Camshaft Bevel Shim - Various Sizes (Each)

Product no.: 0328 A11/774

- Essential when rebuilding your engine to ensure that the upper vertical bevel gear has the correct backlash and position in relation to the camshaft bevel gear, these camshaft bevel shims fit between the camshaft and the front cambox bearing . Available in the following 5 sizes

0.5mm/0.3mm/ 0.2mm/0.1mm/0.05mm.  See listing for more detail on thicknesses.

 

£3.60 *
In stock

SOHC Camshaft Back Bearing Distance Piece

Product no.: 0329 A11/788

- This is the distance piece that betweens the cams and the cambox back bearing. Pattern taken from original SOHC pre-war Cambox.  

£3.80 *
In stock

Cambox Main (Front) Bearing - SOHC Camshaft Front Ball Bearing: RHP or SKF Brand: Each

Product no.: 0026 A11/785

- Single row ball bearing.fitted to the main SOHC cambox shell (i.e. front cambox bearing) on a  SOHC cambox's from 1931-56, both International (alloy) and SOHC Manx/M40 and some Featherbed (magnesium) cambox shells.  This bearing is from a top quality bearing manufacturer and will be either RHP or SKF dependent on current availablity. Price is each

£57.00 *
Not in stock

Cambox Bearing - SOHC (Inter Mod 3040 and CS1CJ) Camshaft Back Roller Bearing : RHP C3

Product no.: 0027 A11/786

- Single row caged roller bearing. Fitted to Model 30/40 (International) SOHC engines. These are either RHP or Hoffman (Hoffman became RHP) - both best quality and in correct and very difficult to find C3 fit. 

 

£98.00 *
Not in stock

Cambox Bearing - SOHC (Mod 30M/40M & SOHC Manx) Camshaft Back Roller Bearing : RHP C3

Product no.: 0028 A11/786M

Cambox Bearing - Camshaft Back Roller Bearing : as fitted to the Model 30M/40M (Manx) cambox backplate - identifiable from the standard International type, in that the Manx backplate is in magnesium. These are correct RHP versions in correct C3 fit - now very rare

£114.00 *
In stock

SOHC All Models : Camshaft Bearing Retaining Plate

Product no.: 0025 A11/787
- This is the plate that stops the camshaft bearing from rotating and coming adrift in the main cambox casting
£11.00 *
Not in stock

Mainshaft/Camshaft Bearing - Securing Plate Screw: All SOHC Models - Set of 3

Product no.: 0023 A11/35/3

- Countersunk screw used to retain securing plates for both main bearings in the crankcases and front camshaft bearings. These are the screws that are soldered over their heads once fitted, to ensure they dont work loose. This is for a bag of 3 screws

£2.20 *
In stock

SOHC (and Early OHV/SV) Big End or Camshaft Oil Feed - Jet Holder Nut (Stainless Steel) - Each

Product no.: 0068 A11M/793

Stainless steel shouldered hexagon nut that fits over jet holder on the International and SOHC Manx timing cover (feeding oil to the BigEnd) and cambox on Pre-Featherbed SOHC Cambox's with central Oil Feed. Also fitted to some Pre-War OHV/SV models - see listing for details.  Very pretty nut in stainless steel.  Price is Each

£9.50 *
In stock

SOHC Featherbed Camshaft Oil Feed Jet Holder Nut (Each)

Product no.: 0069 A11/716

- Stainless steel nut that fits over the oil feed jet holder on the Featherbed cambox bevel cover. This nut is shallower than the Pre-Featherbed models, to stop it fouling the top frame tube on Featherbed Inters.  Very pretty in Stainless Steel.  Price is Each

£9.00 *
In stock
*
Recommended Retail Price, plus delivery
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