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, 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.

Ready for fitting.Stage 3, clubman head, unleaded.New inlets valves race spec, 35.7mm.New exhaust valves race spec, 29.5...
01/09/2026

Ready for fitting.
Stage 3, clubman head, unleaded.
New inlets valves race spec, 35.7mm.
New exhaust valves race spec, 29.5mm.
New tapered bronze guides and Viton stem seals.
New double valve springs.
New unleaded seats.
Combustion chambers polished.
3 angle valve seat cut.
Inlet & exhaust ports, ported.
, , , , , , , , , , , &spritechallenge

Ready to race.Refresh and refurb.Flat top Mg Midget head ready for CSCC Racing.Skimmed all three sides.New Bronze tapere...
15/08/2026

Ready to race.
Refresh and refurb.
Flat top Mg Midget head ready for CSCC Racing.
Skimmed all three sides.
New Bronze tapered guides.
New stem seals.
New valve seats cut.
Spring seats cut.
Ready to fit.
, &challenge, , , , , , ,

Yes we do a MPi Big Valve Stage 3 fast road.Big valve:-35.6mm inlet, 29.3mm Ex.Double valve springs.Tapered guides, with...
11/08/2026

Yes we do a MPi Big Valve Stage 3 fast road.
Big valve:-
35.6mm inlet, 29.3mm Ex.
Double valve springs.
Tapered guides, with Viton seals.
3 angle valve seat cut.
Valve bosses smoothed.
Machined all three sides.
Inlet and exhaust ports, ported.
Ready to fit.
, , , , , , ,

This little lot should keep someone busy.Big Valve a series.12g940 Race.12g940 fast road.12g940 Clubman spec.12g940 MPi ...
11/08/2026

This little lot should keep someone busy.
Big Valve a series.
12g940 Race.
12g940 fast road.
12g940 Clubman spec.
12g940 MPi fast road.
12g295 Clubman spec.
, , , , , , , ,

Race spec head ready for fitting. 37.2mm inlets !Special order.Race spec valves, 37.2mm inlets x 31mm off set exhaust.Br...
11/08/2026

Race spec head ready for fitting. 37.2mm inlets !
Special order.
Race spec valves,
37.2mm inlets x 31mm off set exhaust.
Bronze guides.
Race spec valve springs.
New Viton seals.
Chambers polished.
Valve bosses removed.
Inlet and exhaust ports, ported.
All three faces skimmed.
, , , , , , , , , , ,

Another fabulous weekend just past and we really enjoyed supporting team project 1500, car 150 & 151 and all involved in...
22/07/2026

Another fabulous weekend just past and we really enjoyed supporting team project 1500, car 150 & 151 and all involved in cscc racing.
, , , , , , , , ,

Ready for a new owner.For sale,12g295, Mini Cooper 998 head, unleaded.Featuring.New race spec 214N inlets valves 31mm, w...
20/07/2026

Ready for a new owner.
For sale,12g295, Mini Cooper 998 head, unleaded.
Featuring.
New race spec 214N inlets valves 31mm, with wasted stems.
New race spec 214N exhaust valves 26.5mm.
New MED tapered bronze valve guides.
New Viton stem seals.
New double valve springs.
New stud kit.
Machined all three sides.
Combustion chambers polished 26.5cc,
ideal for a turbo or supercharged car, could be lowered to suit application.
Inlet & exhaust ports ported.
, , , , , , , , , &spritechallenge

19/07/2026

More from Snetterton,
Start of the csccmidget&spridgetchallenge
, , , , , , ,

18/07/2026

Great day at Snetterton race circuit watching the CSCC Midget & Spridget racing and a good turn out lots of interesting cars in the paddock.
&spridgetchallenge, , , , , , ,

Just completed for its customer, popping over from Australia to collect this one.Fully refurbished.New unleaded seats.Ne...
13/07/2026

Just completed for its customer, popping over from Australia to collect this one.
Fully refurbished.
New unleaded seats.
New race spec inlet valves 35.7mm.
New race spec exhaust valves 29.5mm.
New tapered bronze guides.
New Viton oil seals.
New double valve springs.
New bolt kit.
Valve seats cut to 3 angle.
Valve bosses removed and smoothed.
Inlet & exhaust ports, ported.
Combustion chambers clean & polished.
Skimmed all three sides.
, , , , , &spridget, , , , , , &spritechallenge, ,

Address

St. Neots
Cambridge
PE196QN

Telephone

+447786134476

Website

Alerts

Be the first to know and let us send you an email when SG Moto Engineering posts news and promotions. Your email address will not be used for any other purpose, and you can unsubscribe at any time.

Shortcuts

Share