01- Cylinder Head

100%

*#REQ indicates the total pieces used to complete the assembly. Price shown is per piece. Order the total number of pieces needed for repair.

Ref #	Part #	Description	#Req	Price
2>3	420413106	Cylinder Front Ass'y	1	$619.99
1	420450340	Cylinder Head Gasket	1	$43.99
2	-N/A-	Not Available As Spare Part - Cylinder Front		call for price
3	420941014	Stud M8 x 26	2	$13.49
4	420253162	Intake Valve 36.5MM (replaces 420254367)	2	$36.99
5	420253172	Exhaust Valve 31MM (replaces 420855029)	2	$63.99
6	420627525	Thrust Washer (replaces 420627521)	4	$1.69
7	420430420	Valve Stem Seal	4	$7.49
8	420239292	Valve Spring	4	$13.99
9	420254137	Valve Spring Retainer	4	$13.99
10	420254602	Cotter Valve (replaces 420254600)	8	$2.29
11	420641551	Torx Screw M10 X 140 (replaces 420641550)	4	$13.49
12	420641228	Torx Flange Screw M6 X 85	2	$6.99
13	420620868	Camshaft	1	$159.99
14	420241522	Torx Screw M6 X 16 (replaces 420241529)	1	$1.79
15	420627743	Holding Strip	1	$17.49
16	420240945	Bearing Screw M6 (replaces 420240943)	1	$4.99
17	420436255	Chain Tension Guide	1	$62.99
18	420236584	Chain Guide (replaces 420236582)	1	$7.09
19	420297063	Silent Chain	1	$61.99
20	420254438	Camshaft Sprocket, 42 Teeth (replaces 420254435)	1	$17.49
21	420840032	Allen Screw M6 X 12	3	$4.19
22	420440234	Torx Flange Screw M6 X 25	2	$2.89
23	420430373	O-Ring (replaces 420430370)	1	$2.99
24	420236510	Chain Tensioner Housing	1	$10.99
25	420236521	Chain Tensioner Plunger (replaces 420236520)	1	$13.99
26	420238120	Spring	1	$6.99
27	420250891	O-Ring	1	$0.23
28	420641150	Plug Screw	1	$6.99
29	420229714	Pin 12 X 87.5	2	$26.99
30	420944382	Shim	4	$3.89
31	420653067	Rocker Arm Inlet (replaces 420653065)	1	$67.99
32	420653075	Rocker Arm Exhaust	1	$74.99
33	420241337	Adjustment Screw M6 X 0.75 (replaces 420241335)	4	$4.79
34	420242910	Hex. Nut M6	4	$1.19
35	420440568	Hex Screw M6 X 30	4	$8.09
36	420630260	Gasket	1	$24.99
37	420610393	Valve Cover	1	$24.99
38	715900352	Spark Plug, NGK LMAR8D-J	1	$20.99
39	420254377	Valve Guide	4	$33.99

Ref # 2>3

Part # 420413106

Description Cylinder Front Ass'y

#Req 1

Price $619.99

Ref # 1

Part # 420450340

Description Cylinder Head Gasket

#Req 1

Price $43.99

Ref # 2

Part # -N/A-

Description Not Available As Spare Part - Cylinder Front

#Req

Price call for price

Ref # 3

Part # 420941014

Description Stud M8 x 26

#Req 2

Price $13.49

Ref # 4

Part # 420253162

Description Intake Valve 36.5MM (replaces 420254367)

#Req 2

Price $36.99

Ref # 5

Part # 420253172

Description Exhaust Valve 31MM (replaces 420855029)

#Req 2

Price $63.99

Ref # 6

Part # 420627525

Description Thrust Washer (replaces 420627521)

#Req 4

Price $1.69

Ref # 7

Part # 420430420

Description Valve Stem Seal

#Req 4

Price $7.49

Ref # 8

Part # 420239292

Description Valve Spring

#Req 4

Price $13.99

Ref # 9

Part # 420254137

Description Valve Spring Retainer

#Req 4

Price $13.99

Ref # 10

Part # 420254602

Description Cotter Valve (replaces 420254600)

#Req 8

Price $2.29

Ref # 11

Part # 420641551

Description Torx Screw M10 X 140 (replaces 420641550)

#Req 4

Price $13.49

Ref # 12

Part # 420641228

Description Torx Flange Screw M6 X 85

#Req 2

Price $6.99

Ref # 13

Part # 420620868

Description Camshaft

#Req 1

Price $159.99

Ref # 14

Part # 420241522

Description Torx Screw M6 X 16 (replaces 420241529)

#Req 1

Price $1.79

Ref # 15

Part # 420627743

Description Holding Strip

#Req 1

Price $17.49

Ref # 16

Part # 420240945

Description Bearing Screw M6 (replaces 420240943)

#Req 1

Price $4.99

Ref # 17

Part # 420436255

Description Chain Tension Guide

#Req 1

Price $62.99

Ref # 18

Part # 420236584

Description Chain Guide (replaces 420236582)

#Req 1

Price $7.09

Ref # 19

Part # 420297063

Description Silent Chain

#Req 1

Price $61.99

Ref # 20

Part # 420254438

Description Camshaft Sprocket, 42 Teeth (replaces 420254435)

#Req 1

Price $17.49

Ref # 21

Part # 420840032

Description Allen Screw M6 X 12

#Req 3

Price $4.19

Ref # 22

Part # 420440234

Description Torx Flange Screw M6 X 25

#Req 2

Price $2.89

Ref # 23

Part # 420430373

Description O-Ring (replaces 420430370)

#Req 1

Price $2.99

Ref # 24

Part # 420236510

Description Chain Tensioner Housing

#Req 1

Price $10.99

Ref # 25

Part # 420236521

Description Chain Tensioner Plunger (replaces 420236520)

#Req 1

Price $13.99

Ref # 26

Part # 420238120

Description Spring

#Req 1

Price $6.99

Ref # 27

Part # 420250891

Description O-Ring

#Req 1

Price $0.23

Ref # 28

Part # 420641150

Description Plug Screw

#Req 1

Price $6.99

Ref # 29

Part # 420229714

Description Pin 12 X 87.5

#Req 2

Price $26.99

Ref # 30

Part # 420944382

Description Shim

#Req 4

Price $3.89

Ref # 31

Part # 420653067

Description Rocker Arm Inlet (replaces 420653065)

#Req 1

Price $67.99

Ref # 32

Part # 420653075

Description Rocker Arm Exhaust

#Req 1

Price $74.99

Ref # 33

Part # 420241337

Description Adjustment Screw M6 X 0.75 (replaces 420241335)

#Req 4

Price $4.79

Ref # 34

Part # 420242910

Description Hex. Nut M6

#Req 4

Price $1.19

Ref # 35

Part # 420440568

Description Hex Screw M6 X 30

#Req 4

Price $8.09

Ref # 36

Part # 420630260

Description Gasket

#Req 1

Price $24.99

Ref # 37

Part # 420610393

Description Valve Cover

#Req 1

Price $24.99

Ref # 38

Part # 715900352

Description Spark Plug, NGK LMAR8D-J

#Req 1

Price $20.99

Ref # 39

Part # 420254377

Description Valve Guide

#Req 4

Price $33.99

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OEM Parts Diagrams

01- Cylinder Head

McCoy Motorsports Inc.

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