Gearbox Gears / Crown Wheel and Pinion

1st gear set including reverse gear for 901 gearbox

Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox

Available with different gear ratios - example - 18:32 (number of teeth on each gear) - 1.78:1 (gear ratio)

18:32 - 1.78:1 (Porsche code "GA") 
18:34 - 1.89:1 (Porsche code "F") 
17:34 - 2.00:1  (Porsche code "E")   
16:35 - 2.19:1  (Porsche code "D")
13:29 - 2.23:1  (Porsche code "CA") 
15:36 - 2.40:1  (Porsche code "C")    
12:29 - 2.42:1  (Porsche code "C")    
14:37 - 2.64:1  (Porsche code "B")    
12:34 - 2.83:1  (Porsche code "AA")
11:34 - 3.09:1  (Porsche code "A")

Diagram ref no 1

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91130290300

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2nd gear set for 901 gearbox. 

Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox

Available with different gear ratios - example - 20:31 (number of teeth on each gear) - 1.55:1 (gear ratio)

20:31 - 1.55:1 (Porsche code "I") 
20:32 - 1.60:1 (Porsche code "HA")   
19:31 - 1.63:1 (Porsche code "HB")  
19:32 - 1.68:1 (Porsche code "H")  
19:33 - 1.74:1  
17:30 - 1.77:1 (Porsche code "GB")  
18:32 - 1.78:1 (Porsche code "GA")  
18:33 - 1.83:1 (Porsche code "G")  
18:34 - 1.89:1 (Porsche code "F")  
17:34 - 2.00:1 (Porsche code "E") 
16:35 - 2.19:1 (Porsche code "D") 

Diagram ref no 2

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91130290400

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3rd gear set for 901 gearbox. 

Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox

Available with different gear ratios - example - 25:26 (number of teeth on each gear) - 1.04:1 (gear ratio)

25:26 - 1.04:1   
24:27 - 1.13:1 (Porsche code "Q") 
23:27 - 1.17:1 (Porsche code "P") 
23:28 - 1.22:1 (Porsche code "O") 

23:29 - 1.26:1 (Porsche code "N")  
22:29 - 1.32:1 (Porsche code "M")  
22:30 - 1.36:1 (Porsche code "L") 
21:29 - 1.38:1 (Porsche code "LA")  
21:30 - 1.43:1 (Porsche code "K")  
21:31 - 1.48:1 (Porsche code "J") 
20:31 - 1.55:1 (Porsche code "I") 
20:32 - 1.60:1 (Porsche code "HA") 
19:31 - 1.63:1 (Porsche code "T") 
19:32 - 1.68:1 (Porsche code "H") 

Diagram ref no 3

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90130290910

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4th and 5th gear set for 901 gearbox - Can be used for 4th and 5th gear

Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox

Available with different gear ratios - example - 31:22 (number of teeth on each gear) - 0.71:1 (gear ratio)

31:22 - 0.71:1 (Porsche code "ZD") 
29:22 - 0.76:1 (Porsche code "ZA")  
29:23 - 0.79:1 (Porsche code "Z")  
28:23 - 0.82:1 (Porsche code "Y")  
28:24 - 0.86:1 (Porsche code "X")  
27:24 - 0.89:1 (Porsche code "W")  
27:25 - 0.93:1 (Porsche code "V")  
26:25 - 0.96:1 (Porsche code "U")  
26:26 - 1.00:1 (Porsche code "T")   
25:26 - 1.04:1 (Porsche code "S")   
25:27 - 1.08:1 (Porsche code "R")  
24:27 - 1.13:1 (Porsche code "Q")   
23:27 - 1.17:1 (Porsche code "P")  
23:28 - 1.22:1 (Porsche code "O")  
23:29 - 1.26:1 (Porsche code "N")   
22:29 - 1.32:1 (Porsche code "M")  
22:30 - 1.36:1 

Diagram ref no 4 and 5

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90130291310

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Mainshaft  for 901 gearbox.

Fits:
Porsche 911 - 1965 to 1971
For 901 gearbox

Mainshaft only, no gears attached.

Diagram ref no 2

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90430210100

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Ring gear and pinion shaft for 901 gearbox

Fits:
Porsche 911 - 1965 to 1971
Porsche 914 - 1970 to 1976

Available with different gear ratios - example - 9:31 (number of teeth on each gear) - 3.44:1 (gear ratio)

9:31 - 3.44:1
8:31 - 3.88:1 
8:35 - 4.38:1  
7:31 - 4.43:1 
6:32 - 5.33:1 

Diagram ref no 9

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90130290102

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