1.g Norton ES2/16H/OHV/SV Parts

1.g Norton ES2/16H/OHV/SV Parts

A selection of engine and other parts to fit both OHV and SV Norton single cylinder models from the 1920's through to the 1950's.  Update Nov 2020:  We are currently expanding the range of OHV/SV parts


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OHV and SV Parts

Product no.: OHV/SV Info3

This section lists parts to fit OHV (Overhead Valve) and SV (Sidevalve) Norton parts, as well as a few items to fit Norton Dominator and Norton twin parts

£0.00 *

New 500cc OHV Model 18/ES2 (& CS1) Type Omega Forged Piston - (Approx 8.0:1 CR) - 79.62mm Bore

Product no.: 1061 C7/161HC

This is a 79.62mm (500cc) forged slipper piston which copies the same vital dimensions as the original 1940's-50's Norton Heplex 572 OHV (Model 18 and ES2) piston, other than having a slightly raised crown - which on most OHV models should relate to an estimated @8:1  compression ratio.  As with our SOHC slipper pistons - these are the highest quality forged slipper pistons made by top manufacturer Omega.  See detail listing for more information. Price is per piston

 

£294.00 *
In stock
can be shipped within 120 days

New 500cc OHV Model 18/ES2 (& CS1) Type Omega Forged Piston - (Approx 8.0:1 CR) - 80.13mm Bore

Product no.: 1062 C7/161HC

This is a 80.13mm (500cc) forged slipper piston which copies the same vital dimensions as the original 1940's-50's Norton Heplex 572 OHV (Model 18 and ES2) piston, other than having a slightly raised crown - which on most OHV models should relate to an estimated @8:1  compression ratio.  As with our SOHC slipper pistons - these are the highest quality forged slipper pistons made by top manufacturer Omega.  See detail listing for more information. Price is per piston

 

£294.00 *
In stock
can be shipped within 120 days

New Norton Single : (Bronze) Little End Bush - 4 Types To fit SOHC Inter/Manx/OHV/SV Models avail

Product no.: 1077 A2/159(M)

This is a listing for the Little End Bush to fit Norton Single Cylinder models - with 4 variation types.  They are available to fit most SOHC models (road going and competition type), OHV and SV models.  We also manufacture a type to allow the fitment of BSA type pistons, with 0.750" Gudgeon Pin diameter.  All are manufactured in high quality Leaded Bronze to original design.  See detail listing for more information on each variation.  Price is Each

from £21.00 *
In stock
can be shipped within 120 days

OHV/SV Big End Complete With Nuts - Original Crowded Roller Type - Each

Product no.: 0863 A2/27

Manufactured by a well established and specialist British bearing supplier who have been making these Bigends for many years - this Bigend is of the same design and specification as the original 1930's - late 1950's OHV and SV design - this being a twin row, crowded roller design (i.e. the rollers do not sit in a cage). Comes complete with Bigend nuts

£306.60 *
In stock

OHV/SV Big End Complete With Nuts - Higher Performance Caged Roller Type - Each

Product no.: 0864 A2/27C

Manufactured by a well established and specialist British bearing supplier who have been making these Bigends for many years - this particular Bigend is of modified 'Caged Roller' design - more suited to high performance than the original Crowded Roller type.  Comes complete with BigEnd nuts.

£317.10 *
In stock

OHV/SV Main Bearing - Drive Side Ball Bearing - RHP C3 Fit : Model 1, 16H, 18, ES2.

Product no.: 0242 A2/30

- Single row ball bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's). These are original high quality RHP bearings (plastic sealed), in the correct C3 fit - now extremely difficult to find.  Feb 21: Read detail lisitng for update

£115.50 *
In stock

OHV/SV Main Bearing - Drive Side Ball Bearing - RHP Std (i.e. non- C3) Fit : Model 1, 16H, 18, ES2.

Product no.: 0733 A2/30b

- Single row ball bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's). These are original high quality RHP bearings (plastic sealed)- but are in a 'standard' fit, not the original looser C3 fit.  Feb 19: Read detail lisitng for update

£68.30 *
In stock

OHV/SV Main Bearing - Drive Side Roller Bearing - RHP C3 Fit : Model 1, 16H, 18, ES2.

Product no.: 0243 A2/32

- Single row roller bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's).. These are original high quality RHP bearings (plastic sealed), in the correct C3 fit.  Feb 2021:  See detail listing for update on availability

£210.00 *
Not in stock

OHV/SV Main Bearing - Drive Side Roller Bearing - RHP Std (Non-C3) Fit : Model 1, 16H, 18, ES2.

Product no.: 1009 A2/32

- Single row roller bearing. Fitted to all pushrod and sidevalve engines (from 1930's to late 1950's).. These are original high quality RHP bearings (plastic sealed), but in a Standard (i.e. non-C3 fit).  May 2021:  See detail listing for update on availability

£173.30 *
In stock

New OHV/SV Main Bearing - Drive Side Roller Bearing - NKE (Original C3 Fit) : Model 1, 16H, 18, ES2.

Product no.: 1073 A2/32b

- Single row roller bearing. Fitted to all OHV/SV pushrod and sidevalve engines (from 1930's to late 1950's). These are the correct original 'C3' looser fit bearings - but are from a slightly lesser quality NKE brand (i.e. not RHP Brand).  See listing for more detail

£94.00 *
In stock

Norton OHV/SV Mainshaft Shims - Set of 6 Shims in 3 sizes : Model 1, 16H, 18, ES2.

Product no.: 0855 Shim9

Mainshaft Shims to fit OHV and SV Engines (i.e. 16H/Big 4/Mod 18/ES2/Mod 19 etc. Set of 6 shims - 2 each of the following 3 sizes: 0.030”/0.018”/0.012".  See detail listing for fitting details

£16.80 *
In stock

Norton ES2 Exhaust Nut

Product no.: 0419 A3/167
Exhaust nut to fit all pushrod Norton single engines. Differs slightly to International exhaust nut in length (not interchangeable)
£35.70 *
In stock

SOHC, OHV and SV (all Singles) Exhaust Pipe Port Crushable Washer

Product no.: 0089 A3/166

- Copper/Asbestos Type Washer used to seal exhaust pipe where it screws into cylinder head (normally requires replacement each time Union Nut is refitted). Fits all SOHC, OHV and Side Valve Norton models

£3.30 *
In stock

OHV Norton ES2 and Model 18 Inlet or Exhaust Valve

Product no.: 0678 A3/142

- Highest quality inlet or exhaust valve manufactured by G & S Valves - to fit all Norton OHV Model 18 and ES2 engines.  Price is per valve

£34.70 *
In stock

Norton OHV/SV (ES2/Mod18/Mod50/Mod19/16H/Big4 etc) Valve Collets - Pair (i.e. to fit one valve)

Product no.: 0675 A2/149

Valve Collets to fit all OHV and SV Norton models - i.e. Norton ES2, Model 18, Model 19, Model 50, Model 55, Norton 16H, Big 4 etc.  Collets are high quality CNC machined in-house.  Sold as a joined pair (i.e. to fit one valve) 

£7.40 *
In stock

OHV (ES2, Mod 18, Mod19) and (Part) CS1 Valve Guide - Phosphor Bronze

Product no.: 0676 A3/140

- Phospher bronze valve guide to fit Norton OHV engines - ES2, Model 18, Model 19, Model 50 etc.  May also fit Exhaust for 1930's CS1 - please check for this model. Price is Each

 

£15.80 *
In stock

1920's-1931 Conical Type OHV/Walter Moore CS1/First Arthur Carroll CS1 - Valve Spring Cups (Pair)

Product no.: 1029 4060/1

This item is for a pair of the distinctive 'conical' shaped valve spring cups, of the type that were fitted on OHV and Walter Moore CS1 Norton engines through the 1920's up to 1931.  CNC machined from an original pattern, including radial holes - these are designed to fit the early spring type (which we can also supply).  Sold as matching top and bottom cup - see listing for more information  

£47.50 *
In stock

1920's 350/500 OHV, Walter Moore CS1, Pre-33 CS1 Coil Valve Springs - Set of 4 Springs (see listing)

Product no.: 0966 4058/9

High quality (UK manufactured) coil valve springs to fit 1920's OHV models up to 1933, early (Walter Moore) type CS1 models and the first Arthur Carrol SOHC CS1 engines up to 1932/33 - see detail listing for more information and if your machine requires this type of spring.  Price is for a set of 4 springs (i.e. enough for one engine)

£41.00 *
In stock

1920's 596cc OHV Coil Valve Springs (i.e. Terry's VS110 type) - Set of 4 Springs (see listing)

Product no.: 0967 5126/27

High quality (UK manufactured) coil valve springs to fit the late 1920's - 1936/7 Norton CS1 and OHV single cylinder models (longer length than later coil springs -see detail listing for more information.  Price is for a set of 4 springs (i.e. enough for one engine)

£41.00 *
In stock

1930's CS1/OHV (1933 - 47) Coil Valve Springs - Set of 4 Springs (see listing)

Product no.: 0889 4058/9

High quality (UK manufactured) coil valve springs to fit both OHV and CS1 (i.e. non hairpin SOHC) models from 1933 to 1947 single cylinder models (longer length than later coil springs -see detail listing for more information.  Price is for a set of 4 springs (i.e. enough for one engine)

£41.00 *
In stock

OHV (1948 - 1959 Type) Coil Valve Springs - Set of 4 Springs

Product no.: 0677 A3/145+6

High quality (UK manufactured) coil valve springs to fit all Norton OHV single cylinder models (ES2, Model 18, Model 19, Model 50) from 1948 - 1959.  The 1948 onwards engine is one of the most popular, but employed a different spring and cups to the OHV earlier engines, these are the correct type springs - see detail listing for more information on spring types.  Price is for a set of 4 springs (i.e. enough for one engine)

£41.00 *
In stock

Early Mod 30 & 40 / CS1 & CJ / ES2 & Mod 18 Coil Valve Spring Bottom Cup - Each

Product no.: 0672 3079

- Coil Valve Spring Bottom Cup to fit early SOHC (coil spring variant) Model 30/40 International, CS1/CJ as well as all Norton OHV models

£11.60 *
In stock

Early Mod 30 & 40 / CS1 & CJ / Pre 48 OHV ES2 & Mod 18 Coil Valve Spring Top Cup - Each

Product no.: 0673 3078

- Coil Valve Spring Top Cup to fit early SOHC (coil spring variant) Model 30/40 International, CS1/CJ as well as pre-1948 Norton OHV models

£12.60 *
In stock

OHV - ES2 / Mod18 / Mod 19 Valve Coil Spring Top Cup (Post 48 Flat Head Version) - Each

Product no.: 0674 A3/147

- Coil Valve Spring Top Cup to fit 1948 onwards OHV models - Model 18, ES2, Model 19 etc

£12.60 *
In stock

SV Norton 16H and Big4 Inlet or Exhaust Valve

Product no.: 0800 A2/141

- Highest quality inlet or exhaust valve manufactured by G & S Valves - to fit Norton SV (Side Valve) 16H, Big4 and Model 1 engines.  Price is per valve

£33.60 *
In stock

SV Norton 16H and Big4 Valve Springs - Pair

Product no.: 0804 9122

- UK manufactured coil valve springs to fit 16H, Model 1 and Big 4 Sidevalve engines of the pre-war and WD type.  Pattern taken from 1937 sidevalve engine.  Price is per pair

 

£20.00 *
In stock

SOHC Big End Oil Feed Quill Plunger (and pre 38 OHV/SV type)

Product no.: 0080 A11/12

- This is the bronze quill/plunger used to feed oil to the Big End Bearing, fits all SOHC engines, and those pre-38 OHV/SV engines with external round nut on timing over. Note : These plungers are NOT interchangeable with the Cambox Feed Plunger, as that plunger has a smaller feedhole!

£12.60 *
In stock

SOHC Big End (and pre-38 OHV/SV Engines) Feed Plunger - Spring (Each)

Product no.: 0081 A11/14

- This is the conical spring that fits behind the A11/12 bronze Big End quill - and pushes it against the crankshaft Big End oil feed tapered hole). Made to original pattern.  Also as used on pre-War OHV/SV models using similar quill holder - see detail listing for more information.  Price is Each

£3.50 *
In stock

SOHC Big End Oil Jet Holder (and pre 1938 OHV/SV) - (Each)

Product no.: 0082 A11/13

- This is the steel jet holder that screws into the inner timing cover on SOHC and pre-1938 OHV/SV models - and retains the big end oil feed plunger/quill.  The same holder is also used on all central oil feed (competition type) cambox bevel covers.  See listing for mor information. Price is Each

£15.80 *
In stock
*
Recommended Retail Price, plus delivery
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