The exploded views of an N series engine are given only as a guide to the general placement of all parts on a late MG o.h.c. engine. Individual MMM MG engines differ and reference should be made to the manual appropriate to the car in question to ascertain individual part identification.
Most engine parts are available for every o.h.c. MG Model, either in new or secondhand form.
REMEMBER – All parts illustrated are N Series Components.
STATE CLEARLY MODEL TYPE WHEN ORDERING
| Code | Description | Excluding VAT | Unit of Sale | Illustration Number |
|---|---|---|---|---|
| MG0600B | P/ New cylinder head. Fully machined less seats | £1950.00 | Each | 1 |
| MG0600C | N/ Cylinder head. Fully machined less seats | £2180.00 | Each | 1 |
| MG0600D | L/K/ Cylinder head. Fully machined less seats | £2180.00 | Each | 1 |
| MG0600N | N/ SH Cylinder head - Bare - Unchecked | £1500.00 | Each | 1 |
| MG0600Z | P/ 2nd hand cylinder head | £500.00 | Each | 1 |
| MG0601A | P/L/M3/ Cylinder head stud | £6.70 | Each | 2 |
| MG0601B | P/L/M3/ Cylinder head stud nut | £2.10 | Each | 3 |
| MG0602A | P/L/N/ Rocker shaft central support | Each | 11 | |
| MG0602B | K/ Rocker shaft central support | Per pair | 11 | |
| MG0604A | P/ Camshaft bearing set. Std bore. | £60.93 | Per set | 14 |
| MG0604B | L/M3/ Camshaft bearing set. Std bore. | £75.00 | Per set | 14 |
| MG0605A | P/L/M3/ Camshaft thrust washer set (with bellevilles) | £15.00 | Per set | 15 |
| MG0605B | P/L/M3/ CamshaftBellville washer | £1.50 | Each | 15 |
| MG0606A | P/L/M3/ Front camshaft stand c/w cap | £205.00 | Each | 17 |
| MG0607A | P/L/M3/ Intermediate camshaft stand c/w cap | £187.50 | Each | 18 |
| MG0608Z | P/L/M3/ Camshaft driven gear | Each | 19 | |
| MG0609Z | P/L/M3/ Vertical drive pinnion gear, tapered end | £45.00 | Each | 20 |
| MG0610A | P/L/M3/ Matched pair of vertical drive gears | £198.00 | Per pair | 21 |
| MG0611B | P/L/M3/ Vertical drive oil drain gallery | £125.00 | Each | 24 |
| MG0612A | P/L/M3/ Steel forged vertical drive fork - deep | £42.00 | Each | 28 |
| MG0612B | P/L/M3/ Steel forged vertical drive fork - shallow | £42.00 | Each | 28 |
| MG0613A | P/L/N/ Inlet valve, alloy steel | £65.80 | Set of 4 | 32 |
| MG0613B | K/ Inlet valve, alloy steel | £98.70 | Set of 6 | 32 |
| MG0614A | P/L/N/ Exhaust valve, alloy steel | £67.60 | Set of 4 | 33 |
| MG0614B | K/ Exhaust valve, alloy steel | £106.40 | Set of 6 | 33 |
| MG0616A | L/K/ Alloy rocker cover | Each | 41 | |
| MG0617Z | P/ Alloy rocker cover with oil filler cap | Each | 41 | |
| MG0618Z | N/ Alloy rocker cover with oil filler cap | £405.00 | Each | 41 |
| MG0619A | P/L/M3/ Rocker cover mounting studs | Each | 42 | |
| MG0620A | P/L/M3/ Rocker cover securing knob, MG crested | Each | 43 | |
| MG0621A | P/N/ Rocker cover oil strainer | £15.40 | Each | 44 |
| MG0480A | M5/ Origig pattern adj rocker, EN398B hardened & ground | £372.00 | Set of 8 | 4 |
| MG0480B | M5/ Non adj rocker | Set | 4 | |
| MG0481A | M5/ Rocker bush, eccentric, circlip type, inc circlip | £72.00 | Set of 8 | 5 |
| MG0482A | M5/ Rocker bush circlip | £6.00 | Set of 8 | 6 |
| MG0484C | P/ Rocker shaft | £39.00 | Per pair | 7 |
| MG0484D | L/K/ Rocker shaft | £42.00 | Per pair | 7 |
| MG0484E | N/ Rocker shaft | £42.00 | Per pair | 7 |
| MG0484F | F/ Rocker shaft | £42.00 | Per pair | 7 |
| MG0485A | J/P/L/N/K/ Rocker shaft locking bolt without spigot | £3.50 | Set | 8 |
| MG0485Z | M/D/P/M2/M3/ Rocker shaft locking bolt with spigot | £3.50 | Set | 8 |
| MG0486C | PA/PB/ Rocker shaft spacer set | £27.30 | Set | 9 |
| MG0486D | L/N/K/ Rocker shaft spacer set | £38.63 | Set | 9 |
| MG0487A | All/ Rocker shaftbelleville thrust washer | £4.40 | Set | 10 |
| MG0489A | Rocker shaft rear support casting | Each | 12 | |
| MG0493B | M5/ Rev counter drive cable union (LH thread) | Each | 16 | |
| MG0499A | M5/ Vertical drive pinnion thrust washer | £9.50 | Each | 22 |
| MG0503A | Vertical drive gallery shims (0.005) | £4.95 | Each | 25 |
| MG0503B | Vertical drive gallery shims (0.010) | £4.95 | Each | 25 |
| MG0504A | Vertical drive oil seal conversion housing | £26.67 | Each | 26 |
| MG0505A | Upper neoprene lip seal for vertical drive housing | £2.50 | Each | 27 |
| MG0505B | Lower neoprene lip seal for vertical drive housing | £2.50 | Each | 27 |
| MG0507A | Woodruff key for vertical drive fork | £1.00 | Each | 29 |
| MG0508A | Vertical drive flexible coupling | £23.75 | Each | 30 |
| MG0512A | M6/ Valve hat for use with reprofiled camshaft | Set of 8 | 34 | |
| MG0512B | Valve hat for use with reprofiled camshaft | Set of 12 | 34 | |
| MG0513A | M1/M2/M3/ Valve guide 2 1/2" - exhaust - bronze | £8.75 | Each | 35 |
| MG0513B | M1/M2/M3/ Valve guide 2 1/4" - inlet - bronze | £8.75 | Each | 35a |
| MG0515B | J/P/L/N/K/ Race quality Valve springs - doubles | £22.00 | set of 4 | 36 |
| MG0516A | M1/M2/M3/ Valve cotters - per 8/2 | £33.00 | set of 4 | 37 |
| MG0517A | J/F/L/K/ Valve cap (cotter retainer) | £4.50 | Each | 38 |
| MG0517B | P/N/ Valve cap (cotter retainer) | £4.50 | Each | 38 |
| MG0519B | Cylinder head core plugs | Set of 4 | 39 | |
| MG0524A | Brass union for rev counter cable connection | £13.75 | Each | 45 |