Pre A Plus 1275 with 12H Eng No Except Cooper S
Label Part No Description Quantity Comments
1 BHM1137 Con rod set, was BHM1136 1 N.L.A
2 LFH10006 Con rod bolt, was 12G1300 1 Hi-spec set [LINK]C-STR289[/LINK]
3 13H5872 Con rod nut 1
4 8G2740 Original crank EN16T stamped 12G1505 1 N.L.A use [LINK]CAM6232[/LINK]
4 CAM6232 Crankshaft (rolled radius journals CAM6232 casting) 1 Was BHM1243
5 6K836 Crankshaft keyway 1
6 VP91306-00 Con rod bearing, was 8G2553 (Mahle) - Std/10/20 only. 1 Mahle was Vandervell
6 AEB91306-00 Con rod bearing, ACL (Not Cooper ‘S’) 1 Std/10/20/30/40
6 VC1003-00 Connecting rod bearings Mahle race 1 Std and 10 only
7 VP91120-00 Mains bearing, was 8G2553 (Mahle) - Std/10/20 only. 1 Mahle was Vandervell
7 AEM91120-00 Mains bearings,ACL 1 Available in 10/20/30
7 VM1004-00 Main bearings set Mahle race 1 Std and 10 only
8 AEW2136 Thrust washer set, was BHM1293, Glacier 1 Std/3 thou oversize
8 VPW41 Thrust washer set, Vandervell 1 Std/.030 oversize
9 22G1053 Primary gear 24 teeth 1
9 DAM8890 Primary gear 29 teeth (A plus) 1 12H706AA, 23201 on
10 DAM8889 Bush Front 1
11 22G109 Bush rear 1
12 DAM6490 Primary gear shim 2.84-2.89mm (.112-.114”) 1 These shims are used to give the correct end float of 3-6 thou on the primary gear check [LINK]22A319[/LINK] and [LINK]88G549[/LINK] for wear.
12 DAM6486 Primary gear shim 2.89-2.94mm (.114-.116”) 1 These shims are used to give the correct end float of 3-6 thou on the primary gear check [LINK]22A319[/LINK] and [LINK]88G549[/LINK] for wear.
12 DAM6487 Primary gear shim 2.94-2.99mm (.116-.118”) 1 These shims are used to give the correct end float of 3-6 thou on the primary gear check [LINK]22A319[/LINK] and [LINK]88G549[/LINK] for wear.
12 DAM6488 Primary gear shim 2.99-3.04mm (.118-.120”) 1 These shims are used to give the correct end float of 3-6 thou on the primary gear check [LINK]22A319[/LINK] and [LINK]88G549[/LINK] for wear.
12 DAM6489 Primary gear shim 3.04-3.09mm (.120-.122”) 1 These shims are used to give the correct end float of 3-6 thou on the primary gear check [LINK]22A319[/LINK] and [LINK]88G549[/LINK] for wear.
12 DAM6492 Primary gear shim 3.09-3.14mm (0.122-124”) 1 These shims are used to give the correct end float of 3-6 thou on the primary gear check [LINK]22A319[/LINK] and [LINK]88G549[/LINK] for wear.
13 22A319 Thrust washer U clip 1
14 88G549 Backing ring 1
15 AEG523 Camshaft, spider drive 1/2”lobes 1 N.L.A
16 CHM108 Oil pump driving flange spider 1 N.L.A
17 AHU2379 Camshaft retainer plate 1
18 12G1397 Camshaft gear duplex 1
19 12G4337 Camshaft gear simplex 1 12H706AA, 3997 on,1974 on
20 6K629 Camshaft nut 1
21 2A759 Camshaft locktab 1
22 12G1699 Crankshaft gear duplex 1
23 8G725 Crankshaft gear simplex 1 12H706AA, 3997 on
24 2H4905 Timing chain duplex 1 See [LINK]2H4905MS[/LINK] upgrade
25 3H2127 Timing chain simplex 1
26 6K628 Washer to shim crank gear 1 As required
27 12G2621 Tensioner pad (only fits [LINK]12G2626[/LINK] front plate) 1 Simplex only from 1979
28 12G2628 Tensioner mounting plate 1 Simplex only from 1979
29 12G2629 Tensioner pivot pin 1 Simplex only from 1979
30 12G619B Front plate gasket for [LINK]AEG161[/LINK] 1
30 12G2981B Front plate gasket for [LINK]12G2626[/LINK] - For gasket sets see page 28 1 N.L.A 1275GT from 1979 on
31 12G2626 Front plate, simplex 1275GT 1974 on 1 12H706AA, 3997 on
32 SH605051 Screw - plate to crankshaft 2
33 GFK1125 Washer, spring 2
34 AEA687 Screw, front plate to mains cap 2 Duplex only
34 53K2016 Screw, front plate to mains cap 2 Simplex
35 WKN505 Keyway camshaft 1
36 12G4499 Distributor drive spindle 1 C.W.E
37 13H2792 Distributor housing oil seal 1
38 12A1136 Distributor housing 1 N.L.A
39 2A13 Cam follower less oil hole 8 Alternative [LINK]AEG584[/LINK] with hole
40 AEG314MS Push Rod 1 See [LINK]C-AEG582[/LINK]
41 AEG161 Front plate, duplex 1 N.L.A