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489
CLASSIC
1970-83 Big Twin Pinion Hardware
VT No.  OEM 
Year/Item
12-1184  275 
1970‑up Bushing Pin
12-1153  358 
1970‑up Dowel Pin
8761-7  Kit 
1970‑92 Chrome Allen Screw Set
9305-7  Kit 
1970‑92 Stock Chrome Screws
9306-7  Kit 
1970‑92 Stock Cadmium Screws
9633-50  6099 
14 
1970‑up Washer, Chrome
12-0316  9058 
18 
1970‑up Needle Bearing
37-8971  10046 
19 
1981‑up Wire Clamp
12-0901  11002 
20 
1970‑up Oil Pump Retainer Ring
12-0202  23985‑54 
23 
1970‑up Key, Gear Shaft 
12-1379  24010‑54 
24 
1970‑77 Pinion Gear 
Note:  
24040‑78 
24 
Late1977‑up Pinion Gear
See Chart for Pinion Gear Listing
12-0507  24023‑54 
25 
1970‑89 Pinion Gear Nut
12-0613  24023‑54 
25 
1970‑89 Pinion Gear Nut, Jims
10-0703  24641‑36 
28 
1970‑up Oil Pump Shaft Bush
12-1539  24703‑54B 
29 
1970‑89 Pinion Gear Spacer
12-9922  24704‑90 
29 
1990‑up Pinion Gear Spacer
15-0871  25225‑70B 
33 
1970‑92 Gasket and Seal Kit
12-9907*  25300‑36 
38 
1941‑77 Breather Valve, S&S
12-9956*       — 
38 
1941‑77 Breather Valve, S&S, .030 Oversize
12-9906  25313‑77 
38 
1978‑85 Breather Valve, S&S
12-9957       — 
38 
1978‑85 Breather Valve, S&S, .030 Oversize
12-9909  S&S 
37 
Washers for Above (Set)
12-1536  25300‑36 
38 
1941‑77 Breather Gear, Sifton Steel includes
 
 
 
8‑piece thrustwasher set
12-1537  25313‑77 
38 
1978‑99 Breather Gear, Sifton Steel
12-1531  25310‑82 
38 
1982‑90 1992‑up Breather Valve(Plastic)
12-1509  25313‑50 
39 
1950‑78 .110‑.125 4 Piece Set
12-1510      –– 
39 
1979‑82 .110‑.145 Set, 8 pack
12-1530  Nylon 
39 
1982‑up .130‑.165 Set, 8 pack
12-1508  25550‑36 
43 
1970‑up Cam Gear
 
 
 
Washer Set .050‑.095 (10 pieces)
10-1254  25550‑84 
43 
1984‑up .045 Thick, 5 pack 
12-1440      –– 
43 
.050 Cam Gear Washer 
12-1441      –– 
43 
.055 Cam Gear Washer
12-1425      — 
43 
.060 Cam Gear Washer
12-1426      — 
43 
.065 Cam Gear Washer
12-1427      — 
43 
.070 Cam Gear Washer
12-1428      — 
43 
.075 Cam Gear Washer
12-1429      — 
43 
.080 Cam Gear Washer
12-1430      — 
43 
.085 Cam Gear Washer
12-1431      — 
43 
.090 Cam Gear Washer
12-1432      — 
43 
.095 Cam Gear Washer
12-1433      — 
43 
.100 Cam Gear Washer
17-0908  25550‑57 
44 
1958‑up Lock Washer, 5 pack
10-0705  25581‑70 
46 
1970‑up Bushing 
10-2525  25581‑70 
46 
1970‑up Bushing, .005 Oversize
10-0707  25582‑54 
47 
1954‑72 Bushing, Standard, each
10-0708  25582‑73 
47 
1973‑92 Bushing Standard
10-2529  As Above 
47 
1973‑92 Bushing .005 Oversize
12-1407  26345‑73 
50 
1973‑up Drive Gear, 24T
12-0805  26346‑70 
52 
1970‑up Gear Shaft
12-0205  26348‑15 
53 
1936‑up Oil Pump Key, 10 pack
12-1450  26349‑54 
54 
1954‑72 Drive Gear
12-1408  26349‑73 
54 
1973‑83 Drive Gear
*Note: Must be used with 12‑9909 washer set.
Big Twin Pinion Hardware
VT No. 
OEM 
#  Year/Item
12-1175  271 
1936‑up Bushing Pin
12-1166  377 
1941‑69 Pin
12-0915  25810‑15 
1937‑57 Idler and Circuit Breaker Shaft Retaining Ring
8149-12  Chrome 
10 
1936‑69 Screw, set
8150-12  Cadmium  10  1936‑69 Screw, set
10-0714  25597‑36  26  1936‑57 Cam Bushing
10-2527  As Above  26  .005 Oversize 
12-0316  9058 
26 
1958‑up Needle Bearing
12-0202  23985‑54  29  1954‑up Key
12-1379  24010‑54  30  1954‑77 Pinion Gear
12-1399  24010‑39  30  1939‑53 Pinion Gear
12-0507  24023‑54  31  1954‑89 Nut
10-0703  24641‑36  41  1936‑up Bushing
12-1525  24692‑40  42  1940‑53 Seal Ring
13-0105  24699‑37  44  1937‑69 Spring
12-1521  24703‑54  45  1954‑69 Spacer
12-1520  24703‑40  45  1940‑53 Spacer
10-0065  25216‑36  73  1936‑47 Gear Cover
10-0066  25216‑48  73  1948‑53 Gear Cover
10-0068  25216‑58  73  1954‑62 Gear Cover
10-0077  25216‑65  73  1963‑65 Gear Cover
8771-2 
25218‑63  74 
1963‑65 Chrome Bolt with 16
8772-2 
25218‑63  74 
1963‑65 Cadmium Bolt with 16
15-0122  25225‑36C  75  1941‑69 Gasket
12-1517  25275‑36  76  1936‑69 Breather Screen
12-1518  25279‑36  77  1936‑69 Separator
12-9967  25300‑36  78  1936‑47 Breather Valve Standard, S&S
12-9968       — 
 
As Above .030 Oversize
12-9907*  25300‑36  78  1941‑77 Breather Valve Standard, S&S
12-9956*       — 
 
As Above .030 Oversize
12-9909  S&S 
80 
Washers for above, set
12-1536  25300‑36  78  1941‑77 Breather Valve Std, includes 8 pc washer set
12-1509  25313‑50  80  1950‑78 .115, 4 pack, one of each
 
25314‑50 
 
.120 Breather
 
25315‑50 
 
.125 Washer
 
25316‑52 
 
.110 Set
17-0908  25550‑57  83  1958‑up Lock Washer 
10-1254  25550‑84  84  1984‑up .045 Thick
12-1508    — 
84 
1936‑up Cam Gear
 
 
 
Washer Set .050‑.095
12-1440  25550‑36  84  .050 Cam Gear Washer
12-1441  25551‑36  84  .055 Cam Gear Washer
12-1425  25552‑36  84  .060 Cam Gear Washer
12-1426  25553‑36  84  .065 Cam Gear Washer
12-1427  25554‑36  84  .070 Cam Gear Washer
12-1428  25555‑36  84  .075 Cam Gear Washer
12-1429     — 
84 
.080 Cam Gear Washer
12-1430     — 
84 
.085 Cam Gear Washer
12-1431     — 
84 
.090 Cam Gear Washer
12-1432     — 
84 
.095 Cam Gear Washer
12-1433     — 
84 
.100 Cam Gear Washer
10-0704  25581‑36  85  1941‑69 Bushing, Standard
10-2524  As Above  85  .005 Oversize
10-0706  25582‑36  86  1936‑53 Cam Cover Bush Standard
10-2526  As Above  86  1936‑53 .005 Oversize
10-0707  25582‑54  86  1954‑72 Bushing, Standard
10-2529  As Above  86  .005 Oversize
12-1388  25775‑36  87  1936‑69 Idler Gear, S&S
12-1397  25775‑36  87  1936‑69 Idler Gear
12-1393  As Above  87  with Holes
10-0716  25785‑30A  88  1936‑69 Idler Bushing
10-0801  25791‑36  89  1936‑69 Idler Stud
12-0198  25794‑36  90  1936‑69 Screw
10-0807  25800‑36  91  1936‑69 Spacer 
10-0808  25800‑36B  91  936‑69 Spacer, .750 Outside Diameter
12-0915  25810‑15 
 
Retainer Ring 
12-1396  25850‑36A  92  1936‑69 Circuit Breaker Drive Gear 
12-1479  25850‑36  92  1936‑47 Circuit Breaker Drive Gear 
12-1389  25850‑36A  92  1936‑69 Circuit Breaker Drive Gear, S&S
10-0802  25856‑36  93  1936‑69 Circuit Breaker Drive Gear Stud
10-0874  25856‑36 
 
1936‑69 Circuit Breaker Drive Gear Stud, Replica
12-0199  25859‑36  94  1936‑58 Circuit Breaker Stud Screw Right Hand
12-0196  1430 
94 
1959‑69 Screw, Left Hand, 5 pack
12-0184  1430 
94 
1959‑69 Screw, Left Hand, each
12-1449  26345‑39  95  1939‑72 Drive Gear, 25T
12-0803  26346‑36  96  1936‑67 Gear Shaft
12-0804  26346‑68  96  1968‑69 Gear Shaft
12-0205  26348‑15  97 
1936‑up Oil Pump Key
12-0916  26348‑36  98  1936‑69 Retaining Ring
12-1395  26349‑39  99  1939‑53 Drive Gear
12-1496  26349‑39  99  1939‑53 Drive Gear
12-1450  26349‑54  99  1954‑72 Drive Gear
Note: Must be used with 1954‑77 Pinion and Cam Gears.
1936-69
1970-83
1936-53
OHV BT
24010‑39
1954-77
OHV BT
24010‑54
Size/
Color
OEM
1977-89
OHV 
Big Twin
Size/
Color
12-1399*
    —
Standard
    —
    —
12-1379*
Standard
    —
    —
12-1268
Orange
12-9938
Orange
    —
    —
Black
12-9943
White
   —
    —
Red
12-9945
Yellow
  
 —
    —
Blue
12-9940
Red
   —
    —
Green
12-9941
Blue
12-1265
12-1273
White
12-9942
Green
   —
    —
Brown
12-9939
Black
  
 —
12-1275
Yellow
    —