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V-Twin
TM 
80” Short Blocks are shipped fully assembled as 
shown. All 80” units feature an S&S Crankcase, Sifton Oil 
Pump/Breather assembly, stock stroke flywheel, Timken 
Bearings, stock cam properly installed with a matched pinion 
and cam gear with Torrington bearing. Assembly is supplied 
with a chrome nose cone cover and chrome lifter blocks are fit-
ted with standard tappets.
VT No.  Fits
10-0007 1984-90 Evo
10-0008 1992-99 Evo
Short Block
Case Bolt
Engine Case Bolt Kit includes the neces-
sary hardware to bolt together the cases of 
the years listed. Fits 1996-99 FXST, FLST, 
FLT, FXD.
VT No. 9883-20
Upper and Lower 
VT No. 
Years   
Model  Type   
Finish
9854-28  1984-99  FXST      
Chrome
9855-28  1984-99  FXST      
Zinc
9927-28-P  1984-99  FXST  Allen  
Polished
Lower Only
9859-20 1989-99 FXR 
  
   Chrome
1999-17 Front Only
9936-28 
1999-17  FXD  
Acorn
Lower Front
2116-15 
2000-17  Softail  Allen  
Chrome
Engine Mount Bolt
Chrome Front Engine Bolt Mount 
Block. Front engine mount bolts 
thread into regulator mount block.
VT No.   Type
31-0635  A
31-0739  B
A
B
9854-28
9883-20
Chrome Engine Case Allen Bolt Kit 
fasten engine case halves together. Fits 
1983-95 Big Twin Evo.
VT No. 37-9191
80” Evolution Long Block is shipped fully assembled. Assem-
bly is supplied with a nose cover and lifter blocks, which are 
fitted with standard hydraulic tappets and stock style pushrods. 
Features black wrinkle and chrome finishes. 80” Evolution long 
block is shipped fully assembled. The 80” 1340cc Evolution 
unit features a crankcase, oil pump/breather assembly, stock 
stroke flywheel, Timken bearings, stock cam properly installed 
with a matching pinion and cam gear with a Torrington bearing. 
Cylinders are fitted with standard cast pistons, stock compres-
sion. Note: Pre-run factory tested for oil pump pressure.
VT No.   Finish
55-2000 Chrome
55-2001 Polish
55-2000
55-2000
H-D Original
9859-20
S&S Evo Long Block is shipped fully assembled. Features a 
natural finish and includes V80, 508 cam.
Fits 1987-99 FXST, FLST.
VT No. 10-8799
10-0008
10-0007