Cylinder Head & Thermostats – 1800cc

MGB & V8

Other Catalogues


Illus. Part No. Description Qty Req. Details View Item
1 12H1838 Rocker cover (with breather) 1 18G View Item
2 12H1836 Rocker cover 1 18GA View Item
3 12A402 Oil filler cap (non vented) 1 18G View Item
3 GFE6003 Oil filler cap (vented) - Black 1 18GA View Item
3 GFE6007 Oil filler cap (vented) - Red 1 18GA View Item
4 2A150 Nut 1 18G, GA, GB View Item
4 CAM6823 Nut - Chrome plated 1 Alternative to 2A150 View Item
5 12H2557 Nut with stud 1 18GD on View Item
6 1B2925 Spacer 1 View Item
6 CAM6921 Spacer - Chrome plated 1 Alternative to 1B2925 View Item
7 1A2156 Cup washer 1 View Item
7 12G679 Cup washer - Chrome plated 1 Alternative to 1A2156 View Item
8 12A1358 Bush-Rocker cover 1 View Item
9 AJM402 Gasket - Rocker cover 1 View Item
10 MRS001R Rocker shaft assembly - Reconditioned 2 Supplied with inline oil feed pillar View Item
10 MRS002R Rocker shaft assembly - Reconditioned 2 Supplied with offset oil feed pillar View Item
11 12H3377 Rocker arm 8 View Item
12 1G2295 Bush - Rocker arm 8 View Item
13 12H3376 Adjusting screw - Rocker arm 8 View Item
14 51K1178 Lock nut 8 View Item
15 1A2139 Washer - Double coil - Rocker shaft 2 View Item
16 2K6804 Washer- Plain - Rocker shaft 2 View Item
17 11G62 Rocker shaft 1 View Item
17 11G62T Rocker shaft - " Tufftrided" 1 Heavy duty alternative to 11G62 View Item
18 12H390 Pillar- Rocker shaft - Plain 3 View Item
19 6K871 Spring - Rocker spacing 3 View Item
GHF502 Split pin 2 View Item
20 12H389 Pillar - Centre oil feed 1 Use prior to 12H4737 View Item
20 12H4737 Pillar - Off centre oil feed 1 Engine 18G 846 on View Item
21 2A258 Grub screw - Locating 1 View Item
22 2A259 Lock plate - Grub screw 1 View Item
23 51K881 Stud-Short - Rocker shaft 2 View Item
23 51K893 Stud-Long - Rocker shaft 2 View Item
24 GHF301 Washer - Plain 3 View Item
25 GHF332 Washer - Spring 4 View Item
26 GHF201 Nut 4 View Item
27 12H3960 Shim - Centre pillars 2 View Item
28 51K281 Stud - Cylinder head - Long 4 View Item
28 51K282 Stud - Cylinder head - Short 7 View Item
29 12H2178 Washer - Cylinder head 11 View Item
30 51K1193 Nut - Cylinder head 11 View Item
31 48G318Z Cylinder head assembly - New 1 18G (-) series - Small inlet, double valve springs View Item
31 48G318E Cylinder head assembly - Reconditioned 1 18G (-) series - Small inlet, double valve springs View Item
31 12H2708Z Cylinder head assembly - New 1 18V 581 / 582 / 583 / 779 / 780 engines.
Large inlet (Chrome bumper)		 View Item
31 12H2708E Cylinder head assembly - Reconditioned 1 18V 581 / 582 / 583 / 779 / 780 engines.
Large inlet (Chrome bumper)		 View Item
31 12H4735Z Cylinder head assembly - New 1 18V 846 / 847 on engines.
Small inlet, offset oil feed (Rubber bumpers)		 View Item
31 12H4735E Cylinder head assembly - Reconditioned 1 18V 846 / 847 on engines.
Small inlet, offset oil feed (Rubber bumpers)		 View Item
32 12B1339 Valve guide - Exhaust 4 View Item
33 12H2222 Valve guide - Inlet 4 View Item
34 12H435 Inlet valve - 1.56" 4 Slot type cotter groove.
Fitted to 18G, GA, GB, early 18GD engines		 View Item
34 12H436 Exhaustvalve - 1.34" 4 Slot type cotter groove.
Fitted to 18G, GA, GB, early 18GD engines		 View Item
34 12H4211 Inlet valve - 1.56" 4 Circular cotter groove
Late 18GD, 18GG (C/bumper) & 18V 846 / 847 (R/bumper)		 View Item
34 12H2520 Inlet valve - 1.62" 4 Circular cotter groove
18V 581 / 582 / 583 / 779 / 780 (Chrome bumper)		 View Item
34 CAM1717 Exhaust valve - 1.34" 4 Circular cotter groove
Late 18GD, 18GG, 18V		 View Item
35 1H1321 Collar - Valve spring 8 Double valve springs 18G (-) series View Item
36 12H1679 Valve spring - Outer 8 Double valve springs 18G (-) series View Item
37 12H176 Valve spring - Inner 8 Double valve springs 18G (-) series View Item
38 12H992 Valve cap 8 Double valve springs 18G (-) series
Slot type cotter groove		 View Item
38 12H3309 Valve cap 8 Double valve springs 18G (-) series
Circular cotter groove		 View Item
35 12H3354 Collar - Valve spring 8 Single valve springs 18V series View Item
36 12H3352 Valve spring 8 Single valve springs 18V series View Item
38 12H3353 Valve cap 8 Single valve springs 18V series View Item
39 1K800 Cotter 16 Slot type cotter groove View Item
39 AHU1709 Cotter 16 Circular cotter groove View Item
40 AEK113 Seal - Valve stem 8 View Item
41 AJM377 Gasket - Head 1 High quality View Item
AJM1163 Head gasket set 1 High quality View Item
AJM1163Z Head gasket set 1 After market View Item
42 FHS2513 Stud - Manifold to head - Outer 2 18G (-)series. (Thick flange manifolds) View Item
42 FHS2515 Stud - Manifold to head - Inner 4 18G (-)series. (Thick flange manifolds) View Item
42 FHS2513 Stud - Manifold to head 6 18V series. (Thin flange manifolds) View Item
43 AJM602 Gasket - Manifold 1 View Item
43 AJM602X Gasket - Extractors 2 Used when tubular extractors are fitted View Item
44 GTS102 Thermostat - 74 degrees C 1 View Item
44 GTS104 Thermostat - 82 degrees C 1 View Item
44 GTS106 Thermostat - 88 degrees C 1 View Item
45 GTG101 Gasket - Cork - Thermostat housing 1 OE Type View Item
45 AYA121 Gasket - Klingersil - Thermostat housing 1 Upgraded alternative to GTG101 View Item
46 CHS2515 Stud - Thermostat 3 View Item
47 GHF301 Washer - Plain 3 View Item
48 GHF201 Nut 3 View Item
49 12H797 Thermostat housing 1 18G, GA, GB. Radiator with rear filler View Item
50 12H2556 Thermostat housing 1 18GD to Sep 1976. Radiator with centre filler View Item
51 CAM1577 Thermostat housing 1 Sept 1976 onward
(Electric fans)		 View Item
52 TRS1418 O Ring - Filler 1 Sept 1976 onward
(Electric fans)		 View Item
53 KTP9401 Filler plug - Brass 1 Sept 1976 onward
(Electric fans)		 View Item
53 ARA2634 Filler cap - Plastic 1 Sept 1976 onward
(Electric fans)		 View Item