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483
CLASSIC
Special 6° Taper Sprocket Shafts.
VT No.  Years 
Flywheel Type 
Brand
10-0455  1970‑up  SE or SL  
S&S
10-1189  1970‑up   SE or SL  
MS
Note: S&S includes nut and key and Motorshop is 
without nut and key
10-1189
S&S 2900 Series Forged Stroker 
Piston Sets 
machined to fit both 4³⁄₄” 
and 4⁵⁄₈” stroker flywheels. Includes 
rings, wrist pins and retainers. When 
used with 4³⁄₄” stroke compression will 
be 8.25:1 with 4³⁄₄” stroke compression 
will be 9:1 
Note: Remember that an 80” 
3¹⁄₂” standard bore equals 3⁷⁄₁₆” + .060 
bore size.
Flywheel Assembly with 4⁵⁄₈” stroker is 
for 1973‑84 Big Twins. These flywheels 
are machined from heat treated steel 
forgings which makes them structurally 
superior to cast iron designs. Flywheels 
are assembled with heavy duty rod set, 
trued and balanced for pistons listed. 
Piston sets must be ordered separately. 
VT No. 10-0038
Shafts
10-0038
Bastardo Panhead Motor features a V‑Twin Mfg. Replica crankcase 
with Timken bearings a the sprocket shaft, Sifton oil pump/breather 
assembly, Sifton stock stroke flywheel, stock FLH cam installed with 
a matched pinion and cam gear with a Torrington full compliment 
bearing. Assembly supplied with a cast finish cam cover, chrome lifter 
blocks which are fitted with hydraulic tappets and stock steel pushrods. 
Cylinders standard compression 8.5:1 cast pistons and Hastings rings. 
Top end includes heads fitted with rocker arm assemblies, chrome pan 
covers with thick D‑Rings, and chrome steel pushrods covers. Order 
manifold (Shovel band style), carburetor and 2 brush generator sepa‑
rately. Automatic advance distributor is included. Entire unit is pre‑run 
and factory tested for oil pump pressure. 
VT No. 
Stroke 
Bore 
Cubic Inch
10-1335 
4” 
3⁷⁄₁₆” 74”
10-1336 4” 
3¹⁄₂” 76”
10-1425 4¹⁄₄” 
3¹⁄₂” 82”
10-1426 4” 
3⁵⁄₈” 82”
10-1427 4¹⁄₄” 
3⁵⁄₈” 88”
10-1380 
4” 3¹⁄₂” 76”
Note: Updated Panheads are fitted with Shovelhead intake and exhaust 
valves, exhaust ports are Shovelhead style to accept single bolt Shovelhead 
flanged headers. Redesigned intake ports accept a Shovelhead O‑ring 
intake manifold. These Bastardo Panhead motors breathe and run like a 
Shovelhead! Stroke bore and cubic inches as noted in text.
VT No.  Bore Size
11-0455  
3⁷⁄₁₆  Standard
10-1336
10-1336
10-1336
10-1380
10-1380
Panhead