1.c Norton SOHC Head and Barrel

1.c Norton SOHC Head and Barrel

1.c Norton SOHC Head and Barrel
Norton SOHC Head and Barrel parts, including valvegear

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500cc Norton International/SOHC Manx Compression Plate - 0.046"

Product no.: 0275 CompP/01

46 thou thickness Stainless Steel Compression Plate. This really useful item will save you an awful lot of time with a fretsaw and file

£5.00 *

Norton SOHC (and DOHC) Exhaust Nut

Product no.: 0288 A11M/167
Very nice example of the Norton SOHC exhaust nut, with the correct longer thread that differentiates them from the more common ES2 type. They are almost exact copies of the original, of the type fitted to most SOHC models, including both M30\M40 International and SOHC (Gardgengate) Manx's. They are supplied dull plated. To my knowledge they have not been available for many years, and I have just fitted one to the International engine I am building!
£30.00 *

11/32" Model 30\40 Inlet Guide

Product no.: 0301 A11/138

These high quality valve guides are made to the original dimensions of SOHC Norton valve guides - this being the inlet which are bored to take the standard 11/32" diameter inlet valve.  

£20.00 *
In stock

3/8" Model 30\40 Exhaust Guide

Product no.: 0303 A11/138B

These high quality valve guides are made to the original dimensions of SOHC Norton valve guides - with the exhaust guide on SOHC engines a bigger outer diameter, bored to take a 3/8" exhaust valve (the inlet guide is 11/32". The guide includes the important oilway from the cambox feed, which has a small countersunk face to allow for a better tolerence when fitting them. 

£20.00 *
In stock

SOHC Inlet Guide Lubrication Union and Pipe Set

Product no.: 0353 A11/778+9+80 - I
These are the brass unions that screw into the front bevel gear chamber of the SOHC cambox and feed oil to the valve guides, via the small bore copper pipes. The unions are just as per originals (originals were used as patterns), and this means they are 'sided' with the inlet union having a smaller bore than the exhaust union. The copper pipe is supplied soldered into the nipples (and the nipples only bored after this operation is completed, and full bore checked for throughput - as this soldering process often blocks pipe) and is also slightly longer than required, so it can be gently bent and cut to length to suit the engine. They are sold as a complete set per valve, therefore two (2) sets are required per engine. This description is for an Inlet Valve Guide Set
£20.00 *

SOHC Exhaust Guide Lubrication Union and Pipe Set

Product no.: 0354 A11/778+9+80 - E
These are the brass unions that screw into the front bevel gear chamber of the SOHC cambox and feed oil to the valve guides, via the small bore copper pipes. The unions are just as per originals (originals were used as patterns), and this means they are 'sided' with the inlet union having a smaller bore than the exhaust union. The copper pipe is supplied soldered into the nipples (and the nipples only bored after this operation is completed, and full bore checked for throughput - as this soldering process often blocks pipe) and is also slightly longer than required, so it can be gently bent and cut to length to suit the engine. They are sold as a complete set per valve, therefore two (2) sets are required per engine. This item is for an Exhaust Valve Guide set
£20.00 *

Pack of Four - Circlips for Piston Gudgeon Pin

Product no.: 0380 A2/164

These are modern circlips of the same size as fitted to standard Norton pistons - i.e 0.875" gudgeon pins, incase like me you sometimes buy 'New Old Stock' pistons at autojumbles, but the circlips are missing

£2.20 *

500cc CS1/ES2 Piston: 79mm STD - None Slipper Type (Approx 7:1 CR)

Product no.: 0387 C3/160-000

This is a 79mm (500cc) piston to fit Norton 79mm x 100mm Lonstroke singles - from well known piston manufacturer - JP Pistons. These pistons are CNC machined and very well made. 

£185.00 *

500cc CS1/ES2 Piston: 79mm +0.020" - None Slipper Type (Approx 7:1 CR)

Product no.: 0388 C3/160-020

This is a 79mm (500cc) piston to fit Norton 79mm x 100mm Lonstroke singles - from well known piston manufacturer - JP Pistons. These pistons are CNC machined and very well made. 

£185.00 *
In stock

500cc CS1/ES2 Piston: 79mm +0.040" - None Slipper Type (Approx 7:1 CR)

Product no.: 0389 C3/160-040

This is a 79mm (500cc) piston to fit Norton 79mm x 100mm Lonstroke singles - from well known piston manufacturer - JP Pistons. These pistons are CNC machined and very well made. 

£185.00 *
In stock

500cc CS1/ES2 Piston: 79mm +0.060" - None Slipper Type (Approx 7:1 CR)

Product no.: 0390 C3/160-060

This is a 79mm (500cc) piston to fit Norton 79mm x 100mm Lonstroke singles - from well known piston manufacturer - JP Pistons. These pistons are CNC machined and very well made. 

£185.00 *

500cc International Piston: 79.6mm STD - Slipper Type (Approx 9.5:1 CR)

Product no.: 0396 A11/160

This is a 79.6mm (500cc) forged slipper piston to fit Norton International and Longstroke Manx 79 (and 79.6)mm x 100mm Longstroke singles. Manufactured by top performance piston manufacturer - Omega Pistons. 

£235.00 *
In stock
can be shipped within 120 days

500cc International Piston: 79.6mm +0.020" - Slipper Type (Approx 9.5:1 CR)

Product no.: 0397 A11/160

This is a 79.6mm +0.020thou (500cc) forged slipper piston to fit Norton International and Longstroke Manx 79 (and 79.6)mm x 100mm Longstroke singles. Manufactured by top performance piston manufacturer - Omega Pistons  

£235.00 *
In stock
can be shipped within 120 days

500cc Manx Piston: 79.6mm STD - Slipper Type (Approx 9.5:1 CR)

Product no.: 0398 A11M/160

This is a 79.6mm (500cc) forged slipper piston to fit Norton International and Longstroke Manx 79 (and 79.6)mm x 100mm Longstroke singles. Manufactured by top performance piston manufacturer - Omega Pistons 

£235.00 *
In stock
can be shipped within 120 days

500cc Manx Piston: 79.6mm STD 'Alchohol Dome' - Slipper Type (Approx 12:1 CR)

Product no.: 0686 A11M/160A

This is a 79.6mm (500cc) forged slipper piston to fit Norton Racing International and Longstroke Manx 79 (and 79.62)mm x 100mm Longstroke singles - this version is very high compression - meant for alchohol/methanol fuels and competition use only. Manufactured by top performance piston manufacturer - Omega Pistons 

£235.00 *
In stock
can be shipped within 120 days

500cc Hepolite WD 16H (Higher Comp) New Old Stock Piston: 79mm +0.020"/0.030" Oversize

Product no.: 0648 C2_160

This is an original 'Niew Old Stock' Hepolite 79mm +0.020" (500cc) 16H  piston - unopened for 70 years!  Can also be fitted to SOHC machines as well - Read detail listing.  Very limited stock!!  

£110.00 *
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)
£28.00 *

Norton Dominator Exhaust Nut

Product no.: 0420 D12/167
Exhaust nut to fit all Norton Dominator engines. Diameter of thread is smaller on the Dominator engines than it is on the singles (singles take 1.750" exhaust pipe, twins take 1.5")
£28.00 *
*
Recommended Retail Price, plus delivery
46 - 63 of 63 results