1.f Norton SOHC Timing Case & Crankcase Parts

This is the multi-stepped crankcase bolt that is drilled through it centre to feed oil to the back of the crankcase wall, as well as providing a means to meter the feed of oil to the cambox

- This lipped nut is milled from solid round stainless bar and much improves appearance, particularly as the original are normally quite chewed. Not the cheapest of nuts due to the fact that it has to be machined from solid round bar. Update Dec 2010: New stock of these now in, CNC machined and beautiful to look at.

This is the adjuster screw that controls feed of oil to the barrel, through the rear cylinder bolt - Exactly as per original, but much prettier in stainless steel

This is the special reduced head nut, that acts as a lock nut for the adjuster screw A11/40 - Just as per original, but much prettier in stainless steel

This is the Copper washer that fits behind the cylinder feed bolt nut on all SOHC engines.  Price is each.

This 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

- 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

- 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

- Driving plate for the oil pump on all SOHC engines, engaging with the oil pump drive gear on each ear, and from there driving the oil pump from the central slot.  Price is Each.

This is the oil pressure adjuster (and locknut)  that sits behind the inner timing case and controls the oil pressure to the entire lubricaton system on SOHC engines.   These are both CNC manufactured to the original Norton design in stainless steel.  Price is for one adjuster bolt and locknut.  See listing for fitting details