Top end – Over head valve

For valves, guides and springs please click here.

Tappet settings inlet/exhaust: – ohv sing up to 1953 zero/.002, 1953-58 .006/.008.

Part No.	Description	Per	Model	Years
PACK-ADV-002	Valve & guide pack	A	All	All
PACK-INTER-002	Top end overhaul pack	A	All	All
A6/105	Triangular brass ‘A’ on rocker plate	1	All	1926-27
20-35	Cylinder barrel 40 / 60	1	VH
20-52	Cylinder barrel STD / 30	1	VH
20-54/30U	Cylinder barrel	1	VH
23-52	Cylinder barrel, brand new aluminium cylinder with liner, fits with all 500 alloy head, short stroke and big bore versions available.	1	VHA/HS/HT	1952-58
26-33	Cylinder barrel STD / 20 / 30 / 40 / 60	1	NH
26-52	Cylinder barrel, STD / 20 / 30 / 60	1	NH
26-56	Cylinder barrel, various conditions	1	NH	1956-58
35-56	Cylinder head, brand new aluminium head with valve guides. This is the 1956 type with ‘into’ exhaust port and smaller exhaust valve.	1	VH/VHA/HS/HT	1954-58
50-38U	Head, twin port NG, used	1	NG
50-52	Two port head, brand new	1	NH
51-38U	Cylinder head NH – used	1	NH
S2-3	Tappet adjuster lock nut	2	Ohv Sing	1934-58
03	Screw securing rocker box halves	4	Ohv Sing	1934-37
015	Screw securing rocker box halves	2	Ohv Sing	1934-37
0183	Carburetter stud (iron head models only)	2	NH/VH	1931-55
0199	Carburetter stud (alloy head models), stainless	2	VH/HS MK3	1954-58
0218	Carburetter stud	2	HS MK I	1955-58
0219	Carburetter stud (alloy head models)	2	NH	1956-58
0305	Head stud, alloy cylinder	5	VH/VHA/HS/HT	1952-58
0305Q	Head stud, alloy cylinder, stainless	5	VH/VHA/HS/HT	1952-58
0621	Rocker box bolt, iron head (long)	2	Ohv Sing	1938-55
0621Q	Rocker box bolt, iron head (long), stainless	2	Ohv Sing	1938-55
0622	Rocker box bolt, iron head (short)	6	Ohv Sing	1938-55
0622Q	Rocker box bolt, iron head (short), stainless	6	Ohv Sing	1938-55
0626	Rocker box bolt, alloy head (long)	2	Ohv Sing	1950-58
0626Q	Rocker box bolt, alloy head (long), stainless	2	Ohv Sing	1950-58
0627	Rocker box bolt, alloy head (short)	6	Ohv Sing	1950-58
0627Q	Rocker box bolt, alloy head (short), stainless	6	Ohv Sing	1950-58
0740	Head bolt, not VH alloy head	4	Ohv Sing	1938-58
0740Q	Head bolt, not VH alloy head, stainless	4	Ohv Sing	1938-58
139-53	Rocker oil feed pipe rubber connection at head (clip is 5897-93)	1	Ohv Sing	1952-58
140-30	Inlet valve guide oil feed pipe, crankcase to head	1	E, F, G, VF, VG, VH	1930-32
140-33	Inlet valve guide oil feed pipe, crankcase to head	1	Ohv Sing	1933-34
140-33	Inlet valve guide oil feed pipe, crankcase to head	1	250/350	1936-37
140-36	Inlet valve guide oil feed pipe, crankcase to head	1	500	1936-37
140-38	Rocker oil feed pipe, timing case to head (1/4″ stud)	1	VH	1938-49
140-50	Rocker oil feed pipe, timing case to head (5/16″ stud)	1	VH	1950-51
140A-52	Rocker oil feed pipe, top half	1	VH	1952-58
140B-52	Rocker oil feed pipe, bottom half	1	Ohv Sing	1952-58
141-38	Rocker oil feed pipe, timing case to head (1/4″ stud)	1	NH	1938-49
141-50	Rocker oil feed pipe, timing case to head (5/16″ stud)	1	NH	1950-51
141A-52	Rocker oil feed pipe, top half	1	NH	1952-58
142-87	‘T’ piece for 3/16 copper pipe, brass	1	Various
144-51	Plug, blanking, O.P.G. pipe take off	1	Sing	1951
145A-38	Plain union for rocker feed pipe, brass	1	Various
145B-38	3 way union for rocker feed pipe, brass	1	Various
146-38	1/4″ union on timing case, brass	1	Various
146-50	5/16″ union in timing case, brass	1	Various
148-38	Fibre washer, rocker oil pipe	4	Ohv Sing	1938-58
169-50	Head nut, alloy head	5	VCH/VHA	1950-53
169-54	Head nut	5	VH/HS/HT	1954-58
169-54Q	Head nut	5	VH/HS/HT	1954-58
170-35	Head bolt, LH	2	VH	1935-37
171-35	Head bolt, RH	2	VH	1935-37
197-36	Fibre washer, tappet inspection plug	2	NH/VH	1954
330-38	Exhaust valve lifter assembly	1	Ohv Sing	1938-58
330-31	Exhaust valve lifter assembly, use 330-38 & shorten the eccentric shaft on the end	1	Ohv Sing	1931-37
335-30	Exhaust valve lifter spindle	1	Ohv Sing	1930-58
338-31	Exhaust valve lifter arm	1	Ohv Sing	1931-58
341-38	Exhaust valve lifter bush	1	Ohv Sing	1938-58
344A-38	Exhaust valve lifter spring washer	1	Ohv Sing	1938-58
345-38	Exhaust valve lifter ‘O’ ring	1	Ohv Sing	1938-58
346-38	Exhaust valve lifter shim, .020 (these replace the dished washer, use to adjust end float)	AR	Ohv Sing	1938-58
346-39	Exhaust valve lifter shim, .010 (these replace the dished washer, use to adjust end float)	AR	Ohv Sing	1938-58
348-38	Exhaust valve lifter to rocker box, sealing washer	1	Ohv Sing	1938-58
350-38	Exhaust valve lifter cable stop lug	1	Ohv Sing	1938-58
560-29	Valve spring bottom collar	2	VH	1951-58
560-29	Valve spring bottom collar (not used 1934-37 as it is replaced by 571-34)	2	NH	1929-58
570-30	Valve spring bottom collar (not used 1934-37 as it is replaced by 571-34)	2	VH	1930-50
565-29	Valve spring bottom collar (A6/616)	2	SF	1929-32
570-30	Valve spring bottom collar	2	HS	1954-58
580-34	Halite washer under bottom collar	2	Ohv Sing	1934-58
600-26	Valve spring top collar	2	Ohv Sing	1926-30
605-30	Valve spring top collar	2	Ohv Sing	1930-58
630-31	Split cone (per half)	4	SF	1931-32
640-30	Split cone (per half)	4	VH	1930-58
640-32	Split cone (per half)	4	NH/LH	1932-58
645-30	Split cone (per half)		?
650-34	End cap	2	VH	1934-58
655-29	End cap	2	LF/LG/MF/MH	1929-32
655-34	End cap	2	NH	1934-55
840-29	Rocker cover	1	Not G	1929-30
840-30	Rocker cover	1	Not G	1931
845-54	Inlet rocker box, new	1	NH/VH	1954-58
845-54U	Inlet rocker box, bare (used)	1	NH/VH	1954-58
851-54	Tappet inspection plug (on side of rocker box)	2	NH/VH	1954-58
852-55	Tappet inspection plug lockwasher	2	Ohv Sing	1955-58
845-38	Inlet rocker box, new	1	Ohv Sing	1938-53
845-38U	Inlet rocker box, bare (used)	1	Ohv Sing	1938-53
850-54	Exhaust rocker box, NEW	1	Ohv Sing	1938-53
857-34	Valve spring cover, un-plated and un-drilled	2	Ohv Sing	1934-37
857-38	Rocker box cap	2	Ohv Sing	1938-58
858-38	Gasket, rocker box cap	2	Ohv Sing	1938-58
870-38	Gasket, rocker box	2	Ohv Sing	1938-58
895-38	Rocker spindle .975 large diameter	1	Ohv Sing	1938-52
895-38U	Rocker spindle used .975 large diameter	1	Ohv Sing	1938-52
895-49	Rocker spindle .815 large diameter	1	Ohv Sing	1953-58
895-49U	Rocker spindle used .815 large diameter	1	Ohv Sing	1953-58
904-52	Rocker spindle spring	2	Ohv Sing	1949-58
911-38	Rocker lever, inlet	1	Ohv Sing	1938-58
940-53	Spindle dome nut	2	Ohv Sing	1953-58
940-53Q	Spindle dome nut, stainless	2	Ohv Sing	1953-58
930-38	Rocker lever end pin	2	Ohv Sing	1938-58
935-34	Tappet adjuster	2	Ohv Sing	1934-58
940-38	Spindle dome nut	2	Ohv Sing	1938-52
940-53	Spindle dome nut (flat-end)	2	Ohv Sing	1953-58
941-34	Spindle grease nut, stainless	2	Ohv Sing	1934-37
941-38	Screw in end of spindle	2	Ohv Sing	1938-58
941-38Q	Screw in end of spindle, stainless	2	Ohv Sing	1938-58
942-38	Sealing washer, oil seal screw	2	Ohv Sing	1938-58
5892-52	Rubber ‘T’ piece, return pipe to rocker oil feed	1	Ohv Sing	1952-53
5897-93	Hose clip for 139-53	2	Ohv Sing	1952-58
S19-3	Plain washer, rocker box bolt	8	Ohv Sing	1938-58
S19-3	Plain washer, carburetter stud	2	All	All
S1-3	Nut, carburetter stud	2	All	All
S1-4	Nut, cylinder base stud	4/5	All	All
S19-4	Plain washer, cylinder base stud	4/5	All	All
S19-3Q	Plain washer, rocker box bolt, stainless	8	Ohv Sing	1938-58
S19-3Q	Plain washer, carburetter stud, stainless	2	All	All
S1-3Q	Nut, carburetter stud, stainless	2	All	All
S1-4Q	Nut, cylinder base stud, stainless	4/5	All	All
S19-4Q	Plain washer, cylinder base stud, stainless	4/5	All	All

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Top end – Over head valve

Part No.

Description

Per

Model

Years

20-35

20-52

26-52