B. Additional Features:
●
Greater overall strength than stock crankcases,
especially in the front motor mount, an important
consideration in high performance applications.
●
All oil passages between the crankcase and cam
support plate are o-ring sealed.
●
Compatible with stock components. Use stock oil
pump, cam support plate, gear cover, etc.
●
Uses 1999-2002 Timken style sprocket shaft bearing.
●
Uses 2003-up pinion shaft bearing
S&S Twin Cam Style Engine Instructions often
refer to procedures described in other S&S
instructions or a Harley-Davidson Service Manual.
These materials should be cross-referenced as
necessary.
IMPORTANT
Before proceeding, verify that serial numbers on
crankcases match numbers on packing carton and
certificate of origin. Contact S&S immediately if
numbers do not match.
NOTE - Valid certificate of origin is required for any transfer
or sale of longblock assemblies. Certificate of origin is
required to title and license any motorcycle which is to be
driven on public streets and highways.
4
Dynomometer chart showing typical horsepower and torque curves for S&S 124” Twin Cam style engine.
Horsepower and torque curves will vary, dependant on the engines state of tune, and the ignition and fuel
systems used on the completed engine.
Torque
Horsepower
