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
OHV and SV PartsProduct no.: OHV/SV Info3This 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 |
Norton OHV/SV Type - Flame Trap/Filter and Components to fit Amal 276 Carbs (see listing) - VariousProduct no.: 1205 30/109This is the distinctively shaped Air Intake bellmouth and filter assembly - as fitted only to Norton OHV and SV model Amal 76/276 type carburettors from the 1930s until the 1950's. We have had these bellmoouths, filters and spring clips manufactured to the original style and pattern and they can be purchased as a complete assembly (in either bare alloy or matt silver) or components. See detail listing for more information - and the different items available
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500cc OHV Model 18/ES2 (or SOHC CS1) Type Omega Forged Piston - (Approx 8.0:1 CR) - 79.62mm BoreProduct no.: 1061 C7/161HCThis 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. They are also similar to the lower compression SOHC Inter pistons, often fitted to CS1's and road going Inters (or later Inters). See detail listing for more information before ordering. Price is per piston
can be shipped within 120 days |
500cc OHV Model 18/ES2 (or SOHC CS1) Type Omega Forged Piston - (Approx 8.0:1 CR) - 80.13mm BoreProduct no.: 1062 C7/161HCThis 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. They are also similar to the lower compression SOHC Inter pistons, often fitted to CS1's and road going Inters (or later Inters). See detail listing for more information before ordering. Price is per piston
can be shipped within 120 days |
Norton Single : (Bronze) Little End Bush - 4 Types To fit SOHC Inter/Manx/OHV/SV Models availProduct 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 can be shipped within 120 days |
OHV/SV Big End Complete With Nuts - Original Crowded Roller Type - EachProduct no.: 0863 A2/27Manufactured 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 |
OHV/SV Big End Complete With Nuts - Higher Performance Caged Roller Type - EachProduct no.: 0864 A2/27CManufactured 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. |
OHV/SV Big End -Spare End Nuts - EachProduct no.: 1149 A2/27[1]Manufactured by a well established and specialist British bearing supplier who have been making these Bigends for many years - these Big End Nuts are to fit the standard OHV and SideValve Norton Big Ends. Price is Each |
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 |
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 |
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