SG Moto Engineering

SG Moto Engineering Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from SG Moto Engineering, Engineering service, St. Neots, Cambridge.

Machining 3 angle valve seats, valves refaced, cylinder head and block skimming, unleaded valve seats fitted, porting & reconditioning of A series Mini, Mg, Austin, Morris, Triumph Spitfire cylinder heads, piston crowns machined to size.

This one’s for a customerStage 3, fast road, Big valve, ex Spi, unleaded.Featuring:-New Big inlet valves 35.6mm.New exha...
24/06/2026

This one’s for a customer
Stage 3, fast road, Big valve, ex Spi, unleaded.
Featuring:-
New Big inlet valves 35.6mm.
New exhaust valves 29.3mm.
Swifttune double valve springs.
New tapered guides & seals.
New manifold studs.
New thermostat studs.
3 angle valve seat cut.
Polished combustion chambers.
Valve bosses smoothed.
Inlet & exhaust ports, ported.
Ready to fit.
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For sale, Stage 3 Big Valve, fast road 12g940, Unleaded.Featuring:-New inlet valves 35.6mm.New exhaust valves 29.3mm.New...
22/06/2026

For sale,
Stage 3 Big Valve, fast road 12g940, Unleaded.
Featuring:-
New inlet valves 35.6mm.
New exhaust valves 29.3mm.
New tapered guides and stem seals.
New double valve springs.
New manifold studs & nuts.
New thermostat studs & nuts.
New heater studs & nuts.
Skimmed all three sides.
3 angle valve seat cut.
Valve bosses smoothed.
Inlet & exhaust ports, ported.
For sale enquire.
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Aprilia Motorcycle cylinder head in for machining. , , ,
17/06/2026

Aprilia Motorcycle cylinder head in for machining.
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MPI Big Valve head ready for its customer.Featuring:-New Big inlets 35.6mm.New Exhaust valves 29.3mm.New tapered guides....
17/06/2026

MPI Big Valve head ready for its customer.
Featuring:-
New Big inlets 35.6mm.
New Exhaust valves 29.3mm.
New tapered guides.
New double valve springs.
New valve stem oil seals.
Skimmed all 3 sides.
3 angle valve seat cut.
Inlet and exhaust port, ported.
Valve bosses smoothed.
Ready for fitting.
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Another Mini adventure out with HMAC,Mini club, great bunch of people.Lots of nice cars at Croydon classic car show toda...
14/06/2026

Another Mini adventure out with HMAC,
Mini club, great bunch of people.
Lots of nice cars at Croydon classic car show today.
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Something different Austin Allegro.12g202 head, light refurbishment.New unleaded valve seats fitted. , , , , , , ,...
12/06/2026

Something different Austin Allegro.
12g202 head, light refurbishment.
New unleaded valve seats fitted.
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1000cc Superstock racing head completed,Featuring:-Rimflow inlet and exhaust valves,Bronze guides.Double valve springs.T...
11/06/2026

1000cc Superstock racing head completed,
Featuring:-
Rimflow inlet and exhaust valves,
Bronze guides.
Double valve springs.
Titanium valve caps.
Ready for racing.
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Two ready for dispatch,Big Valve 12g940 heads, both unleaded.Both with race spec valves, bronze valve guides.Ready for f...
09/06/2026

Two ready for dispatch,
Big Valve 12g940 heads, both unleaded.
Both with race spec valves, bronze valve guides.
Ready for fitting.
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Nice run out in the mini van, fantastic classic car meet at the Pike & eel pub, nice friendly bunch of people.Thank you ...
31/05/2026

Nice run out in the mini van, fantastic classic car meet at the Pike & eel pub, nice friendly bunch of people.
Thank you to everyone who made us feel welcome.

Fast road, 12g940 completed Head,New unleaded seats fitted.New Big inlets & exhaust valves.New tapered valve guides.New ...
22/05/2026

Fast road, 12g940 completed Head,
New unleaded seats fitted.
New Big inlets & exhaust valves.
New tapered valve guides.
New stem seals.
New double valve springs.
Three angle valve seats.
Skimmed all three sides.
Combustion chambers polished.
Inlet & exhaust ports ported.
These make a lovely fast road cylinder head.
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Address

St. Neots
Cambridge
PE196QN

Telephone

+447786134476

Website

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