Indian Bullet Spares Catalogue

Cylinder Head

Cylinder Head - Rocker Assembly

Please Note: When ordering parts please quote: Part No. and number required, model, year and country type (Royal Enfield exports the following main country types: Indian, European and USA/Canada).

Differences between models are indicated.

Once you have decided on your requirements email us.

Cylinder Head

Key No. Part No. Description Qty. Bullet Bu. Mach 350 Bu. 500 Lightning T'bird Remarks
350 Dlx Mac Cam Elec 500 535 535ES
A1 140778 Cylinder Head Assy 1              
500958 Cylinder Head Assy (Old oil circuit) 1                     Before June 2002
500292/A Cylinder Head Assy (Old oil circuit) 1                   For Mach, After June 2002
144500 Cylinder Head Assy 1              
A2 141207 Decompressor Assy 1          
560136 Decompressor Assy 1                    
1 111178 Cylinder head with fixed fittings 1              
500301 Cylinder head with fixed fittings (Old oil circuit) 1                     Before June 2002
500291/A Cylinder head with fixed fittings (New oil circuit) 1                   For Mach, After June 2002
144159 Cylinder head with fixed fittings 1                
2 144773 Valve seat insert - Inlet 1              
500302 Valve seat insert - Inlet 1                    
144775 Valve seat insert - Inlet 1                
3 144774 Valve seat insert - Exhaust 1              
500303 Valve seat insert - Exhaust 1                    
144776 Valve seat insert - Exhaust 1                
4 140008 Stud - Rocker bearing 4      
5 140007 Stud - short - Rocker box 6      
6 140566 Stud - long - Rocker box 2      
7 143285 Stud - Carburetor 2      
8 144600 Washer 2      
9 140079 Nut - Carburetor Stud 2      
10 144836/C Valve Guide - Standard 2      
500304 Valve Guide - Standard 2                    
140925 Valve Guide 0.003" Oversize 2      
144477 Valve Guide 0.005" Oversize 2      
11 144449 Valve Exhaust 1              
500325 Valve Exhaust 1                    
144498 Valve Exhaust 1                
12 500322 Seal, Valve Stem 2                    
13 140001 Collar - Valve Spring Bottom 2      
500347 Seat, Spring 2                    
14 140004 Valve spring outer 2              
500309 Valve spring 2                    
142202 Valve spring outer 2                
15 140003 Valve spring inner 2              
142201 Valve spring inner 2                
16 144443 Collar - Valve spring top 2      
500352 Retainer, Valve spring 2                    
17 140005 Split Collar 4      
500307 Split Collar 4                    
18 144448 Valve Inlet 1              
500324 Valve Inlet 1                    
144499 Valve Inlet 1                
19 140006 Valve stem cap 2      
20 110081 Nut, Cylinder head (Inches) 1                       Before June 2002
145106/A Nut, Cylinder head (Metric) 1             After June 2002
500320 Nut, Cylinder head 6                    
142203 Nut, Cylinder head (Inches) 4               Before July 2002
145107/A Nut, Cylinder head (Metric) 4               After June 2002
21 140144 Nut, Cylinder head stud (Inches) 2     Before July 2002
145112/A Nut, Cylinder head stud (Metric) 2     After July 2002
22 144600 Washer 2      
23 140099 Decompressor valve 1      
24 140097 Washer 1      
25 140098 Washer 1      
26 140867 Decompressor body 1      
27 140100 Spring, Decompressor valve 1      
28 140101 Spring Cap 1      
29 110320 Split pin 1      
30 140103 Cable block - Decompressor 1      
31 143323 Cable complete, Decompressor 1              
500506 Cable complete, Decompressor 1                      
170292 Cable complete, Decompressor 1                  
560125/A Cable complete, Decompressor 1                      
521010 Cable complete, Decompressor 1                      
32 140936 Washer 1      
33 140168 Washer 4      
500321 Washer 6                    
34 144440 Stud, Ground 4      
35 500319 Stud, Exhaust 2                    
36 500356 Damper Pad Inserts 14                    
37 500357/C Deflector Plate 1                    

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Rocker Assembly

Key No. Part No. Description Qty. Bullet Bu. Mach 350 Bu. 500 Lightning T'bird Remarks
350 Dlx Mac Cam Elec 500 535 535ES
A1 141645 Rocker assy kit 1          
597067 Rocker assy kit 1                    
A2 141647 Rocker assy, Exhaust 1          
A3 141646 Rocker assy, Inlet 1          
1 140086 Rocker bearing set, Exhaust 1          
144437 Rocker bearing set, Exhaust 1                    
2 140084 Rocker bearing set, Inlet 1          
144436 Rocker bearing set, Inlet 1                    
3 140089 Rocker Arm, Exhaust 1          
144444 Rocker Arm, Exhaust 1                    
4 140088 Rocker Arm, Inlet 1          
144445 Rocker Arm, Inlet 1                    
5 140056 Nut 8      
6 140090 Washer 8      
7 144620 Gasket, Rocker cover 2      
500318 Gasket, Rocker cover 2                    
8 140568 Rocker cover, Exhaust 1      
500317 Rocker cover, Exhaust 1                    
9 140567 Rocker cover, Inlet 1      
500316 Rocker cover, Inlet (Old oil circuit) 1                     Before July 2002
500167/A Rocker cover, Inlet (new oil circuit) 1                   For Mach, After July 2002
10 140133 Nut long Tubular 4      
11 140134 Nut Medium Tubular 2      
12 140569 Nut short Tubular 2      
13 140143 Washer 8      
14 144441 Dowel pin 4      
15 500315/C Rocker Spindle (old oil circuit) 2                     Before July 2002
500166/A Rocker Spindle (new oil circuit) 2                   For Mach, After July 2002
16 500326 Washer, Rocker Thrust 2                    
17 500313 Rocker, Inlet 1                    
18 500314 Rocker, Exhaust 1                    
19 500355 Screw, Rocker cover 8                    

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