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176
37-9521
37-8951
Components for One Head
37-8141
Chrome 12 Point Head Bolt Set includes 8 wash-
ers and 8 head bolts for 1986-91 FXST, FLST, FLT, 
FXR, 1986-92 XL and 1991 FXD.
VT No. 37-9019
Sifton Racers Evo Stud Kit has 8 inserts, drill tap and 8 
chromoly studs. Allows more torque to be applied, to cure oil 
leaks and protects case threads during frequent disassembly. 
Detailed instructions included. 
VT No. 
Item
11-0634 
Complete Shop Kit
37-9259 
8 Studs only
11-0636 
8 Inserts only
37-9259
11-0634
Head Bolt & Stud for 
1984-99 Evo
Head Bolts and Hardware Kits for Evo 1340 models for one 
head.
VT No. 
#  OEM 
Item
37-9521*    1986-91 
Chrome Head Bolt Stud & Screw Kit
37-9322    As Above 
1992-99, zinc
37-8139  E 16478-83 
Head bolt, Chrome, 8 pack
 
F  16480-83 
Screw Set, 1984-Early 1985
2011-8 
E 16478-85A  Head bolt, Chrome, 8 pack
  
F  16480-85A  Screw set Late1985-91 Big Twin
2012-8 
E 16478-85A  Head Bolt Chrome, Colony, 8 pack
 
F  16480-92 
Screw Set 1992-up Big Twin
37-8951  G 16837-85A  Studs only, 1986-99 Big Twin 8 pack
9424-8 
G As above 
Colony, 1986-99 Big Twin
9424-8T    As above 
Parkerized
37-9259  G As Above 
Sifton
37-8935  H 16573-83 
Insert, 8 pack
12-1187  I  16715-83 
Exhaust Stud, 5 pack
14-0516  J  26432-76 
O Ring, 10 pack
37-9074  D 16482-83 
Washer 1984-Early 85, Zinc, 4 pack
37-9075  D 16482-85 
Washer Late1985-92, Zinc, 4 pack
2017-8 
D As Above 
Chrome, 8 piece
*Note: For Both Cylinder Heads
Cylinder Oil Passage Drain Tubes for stock bore size cylin-
ders only. Each kit is supplied with tap, hex wrench, two drain 
tubes and instructions. Fits Evo.
VT No.  
Item
16-0911 Kit
16-0912 
Pair Replacement Tubes only
VT No.16-0911 Tube Installed
VT No. 16-0911
37-8935
12-1187