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Ref #

Description

* = suitable for unleaded head

Original Equipment MG Part Number

NTG

Part Number

Moss Europe Part Number
Moss USA Part Number
Amount Required
YA
YT
YB
 
1 Bearing for connecting rod MG862/179 - see footnote. 8 8 8 Top
2 Nut MG862/178 B093 311-080 311-080 8 8 8 Top
3 Bolt for cap MG862/177 320-880 320-880 8 8 8 Top
4 Connecting rod with caps and bolts MG862/14 B164 433-780 433-788 4 4 4 Top
5 Clamp screw for gudgeon pin X151/14 B123 320-898 320-898 4 4 4 Top
6 Spring washer X151/15 - - - 4 4 4 Top
7 Gudgeon pin MG862/340 Sold as part of complete Piston Set only 4 4 4 Top
8 Pistons complete (with rings and gudgeon pin) SA2418/2 - see footnote. 4 4 4 Top
9 Piston ring (oil control) MG862/174

- see footnote.

4 4 4 Top
10 Piston ring (compression) MG862/173 8 8 8 Top
11 Spring clip for rocker-shaft MG679/199 B252A 326-110 326-110 2 2 2 Top
12 Washer for spring clip MG679/200 B763 324-420 324-420 2 (10 after engine 16831) 2 (10 after engine 16831) 2 (10 after engine 16831) Top
13 Spacer spring (short) (front, intermediate, and rear) MG679/201 B762A

329-360 early, 329-160 later

329-360 early, 329-160 later

2 (4 after 16831) 2 (4 after 16831) 2 (4 after 16831) Top
14 Bush MG862/208 B253A on 378mm shaft 330-080 on 378mm shaft 330-080 on 378mm shaft 2 2 - Top
B253B on 356mm shaft 330-090 on 356mm shaft 330-090 on 356mm shaft - - 2
15 Rocker with bush (Nos. 1 and 5) MG862/20 B391C 433-150 433-150 2 2 - Top
B391D 433-160 433-160 - - 2
16 Adjuster screw for rocker MG679/202 B243C 433-200 433-200 8 8 - Top
B243D 433-210 433-210 - - 8
17 Locknut for adjuster screw X151/7 B243 311-110 311-118 8 8 8 Top
18 Lock plate for support bracket bolts MG862/197 B886 (set of 4) 433-108 433-108 4 Top
19 Bolt for support bracket (8 mm) MG862/195 B258 320-330 20-330 4 4 4 Top
20 Bolt for support bracket (10 mm) MG862/196 B257 320-530 320-530 4 4 4 Top
21 Support bracket for rocker shaft (front, intermediate and rear) MG862/194 B254 433-060 433-060 4 4 4 Top
22 Washer (Nos. 1 and 4 brackets) MG862/198 B255 433-080 433-080 2 2 2 Top
23 Bush MG679/202 B253A on 378mm shaft 330-080 on 378mm shaft 330-080 on 378mm shaft 2 2 - Top
B253B on 356mm shaft 330-090 on 356mm shaft 330-090 on 356mm shaft - - 2
24 Rocker with bush (Nos. 2 and 6) MG862/21 B391E 433-170 433-170 2 2 Top
25 Spacer spring (medium) (inter.) ceased 16830 MG862/202 B762B 329-160 329-160 2 2 2 Top
26 Rocker with bush (Nos. 3 and 7) MG862/22 B391F 433-180 433-180 2 2 2 Top
27 Rocker with bush (Nos. 4 and 8) MG862/19 B391A 433-180 433-180 2 2 - Top
B391B 433-140 433-140 - - 2
28 Washer (Nos. 2 and 3 brackets) MG862/199 B256 433-070 433-070 2 2 2 Top
29 Spacer spring (long) (centre) MG862/203 B762C 329-360 329-360 2 2 2 Top
30 Plug for rocker shaft MG679/192 - - - 2 2 2 Top
31 Split cotters for valve spring MG679/105 B007G 433-040 433-040 or 433-058 set 16 16 16 Top
32 Cap for springs (top) MG862/192 B009B 433-010 433-010 8 8 8 Top
33 Spring for valve (inner) MG862/188 B009 (set of 8) 423-410 423-410 8 8 8 Top
34 Push road assembly MG862/27 B286 433-330 433-330 1 1 1 Top
35 Spring for valve (outer) MG862/189 B009 (set of 8) 423-410 423-410 8 8 8 Top
36 Valve guide (inlet) MG862/183 B008A* P100 or 423-215* 423-238 std set, 423-010 or 423-215* 4 4 4 Top
Valve guide (exhaust) MG862/184 B008B* P101 or 423-225* 423-238 std set, 423-220 or 423-225* 4 4 4
37 Cap for springs (bottom) MG862/190 B009D 433-030 433-030 8 8 8 Top
38 Valve (inlet) MG862/186 B006 423-010 423-058 std set, 423-010 4 4 4 Top
Valve (exhaust) MG862/187 B007 423-020 423-058 std set, 423-025 4 4 4
Hardened valve inserts suitable for unleaded conversion Not original equipment B008G (exhaust valve only required) - -
39 Tappet MG862/223 B315 AEG127 433-388 set only 8 8 8 Top
40 Rocker shaft with plugs - 356mm MG862/18 B252B 451-170 451-170 1 1 1 Top
Rocker shaft with plugs - 378mm B252C 451-180 451-180 - - 1
41 Packing ring for valve MG706/443 G830 (set of 8) 297-108 or ADU4905 297-108 8 8 8 Top
42 Oil deflector for valve MG862/191 B009C 1H725 423-520 8 8 8 Top
 

Connecting Rod bearings, replacement sets.

Connecting Rod bearings are only available as full set replacements and the part numbers vary according to oversize requirements.

Connecting Rod Bearing Set Oversize

NTG

Part Number

Moss Europe Part Number Moss USA Part Number
Standard B210 424-000 424-000
0.010 B211 424-100 424-100
0.020 B212 424-150 424-150
0.030 B213 424-200 424-200
0.040 B214 424-250 424-250
0.050 B215 424-300 424-300
0.060 B216 424-350 -

 

Piston sets are similarly in the following oversize.

Piston Set Oversize

NTG

Part Number

Moss Europe Part Number Moss USA Part Number
Standard B050 420-018 420-018
0.010 B051 - -
0.020 B052 420-038 420-038
0.030 B053 420-048 420-048
0.040 B054 420-058 420-058
0.050 B055 - -
0.060 B056 420-068 420-068
0.080 B058 420-078 420-078
0.100 B060 420-088 420-088
0.120 B062 420-098 420-098

Piston rings are also available in the following oversize.

Ring Set Oversize

NTG

Part Number

Moss Europe Part Number Moss USA Part Number
Standard B050A 421-010 421-010
0.010 B051A - -
0.020 B052A 421-020 421-020
0.030 B053A 421-030 421-030
0.040 B054A 421-040 421-040
0.050 B055A - -
0.060" B056A 421-050 421-050

 

* Valve guides in Phosphor Bronze from NTG and Manganese Bronze from Moss Europe and USA