MMM Engine (Later Style) Upper (P19)


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.


CodeDescriptionExcluding VATUnit of SaleIllustration Number
MG0600BP/ New cylinder head. Fully machined less seats£1950.00Each1
MG0600CN/ Cylinder head. Fully machined less seats£2180.00Each1
MG0600DL/K/ Cylinder head. Fully machined less seats£2180.00Each1
MG0600NN/ SH Cylinder head - Bare - Unchecked£1500.00Each1
MG0600ZP/ 2nd hand cylinder head£500.00Each1
MG0601AP/L/M3/ Cylinder head stud£6.70Each2
MG0601BP/L/M3/ Cylinder head stud nut£2.10Each3
MG0602AP/L/N/ Rocker shaft central supportEach11
MG0602BK/ Rocker shaft central supportPer pair11
MG0604AP/ Camshaft bearing set. Std bore.£60.93Per set14
MG0604BL/M3/ Camshaft bearing set. Std bore.£75.00Per set14
MG0605AP/L/M3/ Camshaft thrust washer set (with bellevilles)£15.00Per set15
MG0605BP/L/M3/ CamshaftBellville washer£1.50Each15
MG0606AP/L/M3/ Front camshaft stand c/w cap£205.00Each17
MG0607AP/L/M3/ Intermediate camshaft stand c/w cap£187.50Each18
MG0608ZP/L/M3/ Camshaft driven gearEach19
MG0609ZP/L/M3/ Vertical drive pinnion gear, tapered end£45.00Each20
MG0610AP/L/M3/ Matched pair of vertical drive gears£198.00Per pair21
MG0611BP/L/M3/ Vertical drive oil drain gallery£125.00Each24
MG0612AP/L/M3/ Steel forged vertical drive fork - deep£42.00Each28
MG0612BP/L/M3/ Steel forged vertical drive fork - shallow£42.00Each28
MG0613AP/L/N/ Inlet valve, alloy steel£65.80Set of 432
MG0613BK/ Inlet valve, alloy steel£98.70Set of 632
MG0614AP/L/N/ Exhaust valve, alloy steel£67.60Set of 433
MG0614BK/ Exhaust valve, alloy steel£106.40Set of 633
MG0616AL/K/ Alloy rocker coverEach41
MG0617ZP/ Alloy rocker cover with oil filler capEach41
MG0618ZN/ Alloy rocker cover with oil filler cap£405.00Each41
MG0619AP/L/M3/ Rocker cover mounting studsEach42
MG0620AP/L/M3/ Rocker cover securing knob, MG crestedEach43
MG0621AP/N/ Rocker cover oil strainer£15.40Each44
MG0480AM5/ Origig pattern adj rocker, EN398B hardened & ground£372.00Set of 84
MG0480BM5/ Non adj rockerSet4
MG0481AM5/ Rocker bush, eccentric, circlip type, inc circlip£72.00Set of 85
MG0482AM5/ Rocker bush circlip£6.00Set of 86
MG0484CP/ Rocker shaft£39.00Per pair7
MG0484DL/K/ Rocker shaft£42.00Per pair7
MG0484EN/ Rocker shaft£42.00Per pair7
MG0484FF/ Rocker shaft£42.00Per pair7
MG0485AJ/P/L/N/K/ Rocker shaft locking bolt without spigot£3.50Set8
MG0485ZM/D/P/M2/M3/ Rocker shaft locking bolt with spigot£3.50Set8
MG0486CPA/PB/ Rocker shaft spacer set£27.30Set9
MG0486DL/N/K/ Rocker shaft spacer set£38.63Set9
MG0487AAll/ Rocker shaftbelleville thrust washer£4.40Set10
MG0489A Rocker shaft rear support castingEach12
MG0493BM5/ Rev counter drive cable union (LH thread)Each16
MG0499AM5/ Vertical drive pinnion thrust washer£9.50Each22
MG0503AVertical drive gallery shims (0.005)£4.95Each25
MG0503BVertical drive gallery shims (0.010)£4.95Each25
MG0504AVertical drive oil seal conversion housing£26.67Each26
MG0505AUpper neoprene lip seal for vertical drive housing£2.50Each27
MG0505BLower neoprene lip seal for vertical drive housing£2.50Each27
MG0507AWoodruff key for vertical drive fork£1.00Each29
MG0508AVertical drive flexible coupling£23.75Each30
MG0512AM6/ Valve hat for use with reprofiled camshaftSet of 834
MG0512BValve hat for use with reprofiled camshaftSet of 1234
MG0513AM1/M2/M3/ Valve guide 2 1/2" - exhaust - bronze£8.75Each35
MG0513BM1/M2/M3/ Valve guide 2 1/4" - inlet - bronze£8.75Each35a
MG0515BJ/P/L/N/K/ Race quality Valve springs - doubles£22.00set of 436
MG0516AM1/M2/M3/ Valve cotters - per 8/2£33.00set of 437
MG0517AJ/F/L/K/ Valve cap (cotter retainer)£4.50Each38
MG0517BP/N/ Valve cap (cotter retainer)£4.50Each38
MG0519B Cylinder head core plugsSet of 439
MG0524ABrass union for rev counter cable connection£13.75Each45