CAMSHAFT, ROCKER ARMS AND VALVES [01B01] 20 ENGINE 2640 (s.n.-340,999) Tractor PC1539 in TRACTOR 2640

№	Number	Qty	Name	Options
1	R54565	2	Plug
2	R54987	1	SHAFT	(SUB DD12120)
3	T20316	2	Washer
4	T20314	3	Spring
5	[]	1		(ORDER RE19031)
6	RE19031	8	ROCKER ARM	(SUB FOR AT31250 OR AR103769)
7	19H1733	4	CAP SCREW	3/8" X 2-1/2"
8	R42729	4	Washer
9	T20315	4	SUPPORT
10	T20129	8	Cap
11	T20077	16	Retainer
12	R41412	4	CAP	(SUB FOR T20176) (SUB RE11410)
12	R27976	4	O-Ring	(VALVE STEM)
13	AR41006	4	ROTATOR	(SUB RE11410)
13	R27976	4	O-Ring	(VALVE STEM)
14	R26125	8	Spring
15	R54799	8	Pin
16	R52251	4	INTAKE VALVE	(SUB R79623)
16	R57332	4	INTAKE VALVE	0.08MM (.003") OVERSIZE STEM, (SUB R79628)
16	R57334	4	INTAKE VALVE	0.38MM (.015") OVERSIZE STEM, (SUB R79629)
16	R57336	4	INTAKE VALVE	0.76MM (.030") OVERSIZE STEM, (SUB R79630)
17	T20073	8	Cam Follower
18	R52252	4	EXHAUST VALVE	(SUB R79624)
18	R57333	4	EXHAUST VALVE	0.08MM (.003") OVERSIZE STEM, (SUB R79625)
18	R57335	4	EXHAUST VALVE	0.38MM (.015") OVERSIZE STEM, (SUB R79626)
18	R57337	4	EXHAUST VALVE	0.76MM (.030") OVERSIZE STEM, (SUB R79627)
19	T20071	1	DRIVE SHAFT
20	AT18049	1	CAMSHAFT	(INCLUDES TACHOMETER DRIVE SHAFT) (MARKED T20013 OR T20014) (SUB R82820 AND R81513)
21	T28041	1	Shaft Key
22	T20072	1	Plate
23	19H1731	2	Cap Screw	3/8" X 1"
24	T20070	1	Helical Gear