Manual
18
* All reference to Harley-Davidson® part
numbers is for identication purposes only. We
in no way are implying that any of S&S® Cycle’s
products are original equipment parts or that
they are equivalent to the corresponding
Harley-Davidson® part number shown.
1- Crankcase assembly, half ........................................... N/A
2- Race, right main bearing, All S&S BT
Standard (H-D#24599-58B) ....................................31-4004
+.002” O.S. (H-D#24600-58B) ...............................31-4006
+.005” O.S. (H-D#24601-58B) ...............................31-4007
+.025” O.S.........................................................31-4028
Clearanced for .798” lift 1984-’99 style cam with 1” base circle
Standard ...........................................................31-4024
+.005” O.S. .......................................................31-4027
+.030” O.S.........................................................31-4030
3- Right main bearing assembly BT
White (H-D#24626-87) ..........................................31-4005
Green (H-D#24628-87) ...........................................31-4016
Red (H-D#24641-87) ..............................................31-4017
Blue (H-D#24643-87) .............................................31-4018
4- Retaining ring, main bearing BT
(H-D#11177, 11177A) (5 Pack) ...................................50-1004
5- Cam needle bearing assembly BT
(H-D#9058) ...........................................................31-4009
6- Washer, cam lock - BT
1936-’47, 1958-’99 OHV.................................106-3644
(H-D#25550-57) (5 Pack) .........................................33-5213
7- Cam thrust washer - BT (5 Pack)
.050” (H-D#25550-36) ...........................................33-1007
.055” (H-D#25551-36) ...........................................33-1008
.060” (H-D#25552-36) ...........................................33-1009
.065” (H-D#25553-36) ...........................................33-1010
.070” (H-D#25554-36) ...........................................33-1011
.075” .................................................................33-1012
.080” .................................................................33-1013
.090” .................................................................33-1014
8- Left Timken® main bearing assembly
1936-'99 S&S BT cases
(H-D#9028) ......................31-4013
9- Spacer, drive sprocket
1936-’64 S&S BT cases ......................................31-4014
1965-‘99 S&S BT cases (H-D#24002-70) .................31-4011
10- Seal, sprocket shaft oil 1936-99 S&S BT
cases (H-D#12026B) (5 Pack) ...................................31-4110
11- Bushing, oil pump shaft - All S&S BT cases
Standard
(H-D#24641-36) ......................................31-4008
.040 O. S. ...........................................................31-4003
12- Tappet guide assembly (See Valve Train Section 9.)
13- Screw, 12 pt. DHH ¼” -20 x ⁄”
(H-D#3770) (10 Pack) .............................................50-0240
14- Gasket, tappet guide – 1948-99 BT (10 Pack)
Front (H-D#18634-48C) ........................................ 33-5313F
Rear (H-D#18633-48D) ........................................33-5313R
Set ....................................................................33-5313
15- Crankcase oil screen - 1948-99 BT
(H-D#24981-70) (5 Pack) .........................................31-7008
16- Crankcase oil screen spring - 1948-’99
big twin (H-D#24982-70) (10 Pack) ..........................31-2058
17- Cover screw o-ring - 1948-up S&S BT
(H-D#11105) (10 Pack) ............................................50-8087
18- Cover screw - 1948-’99 S&S BT
(H-D#26263-80) (5 Pack) .........................................31-7005
19- Cylinder stud
1936-’84 BT Standard (8 Pack)............................31-2328
1936-’84 BT +⁄” longer (8 Pack) ......................31-2324
1984-up BT (H-D#16837-85C) (8 Pack) .....................31-2321
1984-up BT with +.500” cases
(H-D#16832-86A) (8 Pack) ........................................31-2331
20- Crankcase Hardware Generator Cases 1936-'69
(Positions 1,3 & 4)
Alignment Stud, ⁄” -24 x 6⁄” (5 pack) .............31-2069
(Position 2)
Alignment Stud, ⁄” -24 x 5¾”
(5 pack) (H-D#3506) ................................................31-2064
(Position 5)
Screw, HHCS ⁄” -18 x 3¾”
(5 pack) (H-D#3506) .....50-0152
(Position 6)
1936-’64 Breather stud
(H-D#24912-48) (Each) ......31-2036
1965-’69 S&S BT cases
Screw, HHCS ⁄” -18 x 3¾” (5 pack) (H-D#3506) .....50-0152
(Position 7)
Screw HHCS, ⁄” -24 x 5”
(5 pack) (H-D#3430) .......50-0130
(Position 8)
Screw HHCS, ¼” -28 x 5½” (5 pack) .....................50-0126
Alternator 1970-’99 and Alt/Gen Cases
Alignment Stud, ⁄” -24 x 5¾” (5 pack)
(H-D#3506) ...........................................................31-2064
(Position 5 & 6)
Screw, HHCS, ⁄” -18 x 3½” (5 Pack) ...................50-0147
(Position 7)
Screw HHCS, ⁄” -24 x 5”
Zinc
(5 pack) (H-D#3430) .......................................50-0130
Chrome (5 pack)...............................................106-4748
(Position 8)
Screw HHCS, ¼” -28 x 5½”
(5 pack) ..............................................................50-0126
Screw HHCS, ¼” -28 x 5½” Chrome
(5 pack) ...........................................................106-4746
21- Nut, Hex - ¼”-28
(H-D#7675, 7676, 7683) (10 Pack) ..............................50-5014
22- Washer, at - ¼” x ⁄” x ⁄”
Zinc (H-D#6245) (10 Pack) ......................................50-7074
Chrome (10 Pack) ............................................ 106-3453
23- Nut, hex - ⁄”-24 zinc (H-D#7833) (10 Pack) ..........50-5048
Nut, hex - ⁄”-24 chrome
(5 Pack) ................... 106-4749
24- Washer, at - ⁄” x ⁄” x ⁄” (H-D#6016, 6702)
(10 Pack) .............................................................50-7069
25- Plug, timing hole (H-D#720) ................................31-2005
26- Drain plug, Manufactured before
5-1-2000 - ⁄”-18 NPT (5 Pack) ...........................31-1020
Manufactured after 5-1-2000, ½”-20 thread ....50-8335
27- Fitting, ⁄” x ⁄” pipe
male/female .....................................................50-8112
28- Oil pressure switch (H-D#26561-84)
(Includes: 1 each switch, nut, lock washer.) ......31-2016
29- Dowel pin .375” diameter x ¾”
(1936-’64 S&S BT) .............................................50-8017
30- Fitting, oil line - .375” x ⁄”-27
(H-D#62484-81) .....................................................31-2021
31- Plug, SH pipe - ⁄”-27
(H-D#45839-48) (10 Pack) ........................................50-1015
32- Fitting, primary oil return
(H-D#63533-65) .....................................................31-2019
33- Fitting, 45° hose – ¼” pipe male x ⁄”
male hose (H-D#16302-81) ....................................50-8113
34- Plug, SH pipe, ¼”-18, 1965-’69 S&S BT
(H-D#45830-48) ......................................................50-8330
35- Fitting, hose - ⁄”-27 pipe male
(H-D#63533-41) ......................................................50-8115
36- Dowel pin, .250” diameter x ½”
(1970-up S&S BT) (H-D#358) (5 Pack) ....................50-8105
37- Screw, SHC - 10-24 x 1” (Stator) N/S
(H-D#2720) (10 Pack) ..............................................50-0194
38- Screw, SHS - 10-24 x ⁄” -
(Stator plug clamp) N/S (10 Pack) ......................50-0141
39- Fitting, oil line (H-D#63533-15) ..............................31-2018
40- Shaft, circuit breaker drive gear –
1936-’69 BT (H-D#25856-36)..................................31-2037
41- Screw, SHC ¼”-20 x 2” (Idler gear shaft)
(5 Pack) ...............................................................50-0137
42- Screw, SHC ¼” -20 x 3¼”
(Circuit breaker drive gear shaft.)
(5 Pack) ..............................................................50-0142
43- Idler gear shaft - 1936-’69 BT
(H-D#25791-36) .....................................................31-2039
44- Washer, lock - ¼” (H-D#7035)
(10 Pack) .............................................................50-7078
45- Screw, HHC ¼” -20 x ½” 1936-’65
S&S BT timer (H-D#3728) (10 Pack) ........................50-0218
¼ “-20 x 1” 1966-’69
S&S BT timer (H-D#2551W) (10 Pack) ......................50-0270
46- Screw, standard RH ¼”-20 x ½”
(H-D#2759) (10 Pack) ..............................................50-0097
47- Screw, SHS ¼”-20 x ⁄” (10 Pack)........................50-0213
48- Gearcover (See section 7 of catalog)
49- Gearcover gasket 1936-’69 S&S BT
(H-D#25225-36C) (10 Pack) .......................................31-2060
50- Gearcover gasket 1970-up S&S BT
(H-D#25225-70B, 25225-93) (10 Pack) .........................31-2059
51- Spacer, motor mount - 1936-’47 BT
(H-D#24795-48) .....................................................31-2017
52- Gasket, CPS hole (Obsolete Use #55 or #57) .................NA
53- Cover, CPS hole (3 pack) ................................... 106-0490
54- Screw, Torx, 8-32 x ⁄” (10 pack) ..........................50-8252
55- CPS hole plug w/o-ring (5 pack) ....................... 106-1750
56- O-ring (5 Pack) ....................................................50-8275
57- CPS hole plug kit .............................................106-2997
S&S® Super Stock® Big Twin Crankcases