120ST PERFORMANCE CRATE MOTOR
Product #: 19221-15
This street-tuned 120 cubic inch Screamin' Eagle Crate Motor
takes your bagger from mild to wild. This engine is designed
for bolt-in installation in the Original Equipment-style chassis
of your Touring bike. No special fabrication or engine mount
relocation is required. The crankcase, cylinders and heads
are painted black, and feature machined aluminum highlights
and chrome covers for a stunning "show-and-go” look.
Equipped with the ultimate large bore Screamin' Eagle 58mm
Throttle Body (18% larger than stock), this engine is capable
of producing 106 horsepower and 117 lb-ft of torque at the rear
wheel. Engine retains the Original Equipment vehicle warranty.
For best performance results, we recommend combining this
engine with your choice of Screamin' Eagle 58mm High-
Flow Air Cleaner and the Screamin' Eagle High Flow Exhaust
System P/N 64800022.
This engine is 50-State U.S. EPA compliant when used
with Original Equipment mufflers or the Screamin' Eagle
Street Performance Exhaust System P/N 64800022. All
EFI-equipped models require ECM calibration*. U.S. delivered
engines include Manufacturers Statement of Origin (MSO).
Developed and tested in Milwaukee, this motor features the
finest Screamin' Eagle components:
- 4.060 big-bore cylinders.
- 4-5/8" stroke SE Pro stroker flywheel and rod assembly.
- 10.5:1 high-compression nickel-plated forged pistons with Teflon® coated skirt.
- Titanium SST piston rings.
- SE-259E high-lift cams.
- Perfect-Fit pushrods.
- SE high-performance lifters.
- CNC-ported MVA heads with automatic compression release.
- Screamin' Eagle Pro High-Flow 58mm EFI Throttle Body, high flow injectors and manifold clamps.
- Machined lower rocker boxes for valve spring collar clearance.
- Factory-machined engine cases.
- Unique piston oilers for stroker clearance.
- Screamin' Eagle inner crankcase full complement cam needle bearings.
- SE Lefty high-performance crankcase output bearing and nitride bearing race.
- SE Performance spark plugs.
- 120ST cam cover and cylinder head medallions.
Fits 50-state '10-'16 Touring models. Does not fit Twin-
Cooled" models. '10 Touring models require Screamin' Eagle
Big Twin Compensator Kit P/N 40100061.
*Install requires separate purchase of inner primary gasket kit, outer primary gasket, and interconnect gasket (call for quote).
*All models require ECM calibration for proper installation with
Screamin' Eagle Pro Street Tuner** (sold separately).