Page 9 - Harley-Davidson Perugia
P. 9
EW PRODUCTS A

A. SCREAMIN' EAGLE® MILWAUKEE-EIGHT® 5 5

ENGINE STAGE IV KIT 114CI OR 117CI A
TO 131CI
Go big or go home.With the largest displacement of any
Harley-Davidson® Stage Kit, this 114CI to 131CI Stage IV
Kit was designed to deliver maximum horsepower – all
the way to the redline. Packaged with patent-protected
cylinder technology, it allows for the largest bolt-on
engine upgrade to any Milwaukee-Eight® motor.Features
new CNC-ported heads with 1mm bigger valves and
fully machined combustion chambers. Coupled with the
kit's high-lift SE8-517 cam, high compression pistons
and a 64mm throttle body and intake manifold, this
combination delivers a thrilling 131 ft-lb of torque and
121 HP rear-wheel output when paired with Screamin'
Eagle® Street Cannon Mufflers..It’s designed to run wide
open at high-end RPMs and provide a significant boost
of torque from cruising speed.You’ll feel the difference
as soon as you twist the throttle. When installed by an
authorized Harley-Davidson Dealer® within 60 days of
the vehicle purchase, compliant kits do not impact the
vehicle’s limited warranty.
• Delivers increased response throughout the entire
RPM range

• Provides thrilling acceleration when twisting the throttle

• Maintains flat torque curve from cruising RPM to redline

• Can be installed without removing the engine from chassis

49-State U.S. EPA Compliant on '17-later Touring Models.

Performance components include:
• Screamin’ Eagle CNC Ported Cylinder Head with CNC
machined chamber and 1mm larger valves
• 131 Stage IV Timer cover
• SE8-517 High-Lift Cam
• Forged High Compression Pistons
• Screamin’ Eagle High Performance Cam Bearing
• Screamin’ Eagle High Performance Tappets
• Screamin’ Eagle 4.31" Steel Sleeve Cylinders
• Screamin’Eagle 64mm Throttle Body and Cast Manifold
• Screamin’ Eagle High Flow Injectors (5.5 g/sec)

Milwaukee-Eight Twin-Cooled 117 Stock vs. 128 Stage IV
with Street Cannon Mufflers

150 150

140 140

130 130
Corrected Rear Wheel Torque (lb-ft)
Corrected Rear Wheel Horsepower (hp)
120 120

110 110

100 100

90 90

80 80

70 70

60 Stock 117CI TQ 60
Stock 117CI HP

50 128 Stage IV w/ 50
Street Cannons TQ
40 128 Stage IV w/ 40

30 Street Cannons HP 30

20 20 5
2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7

Engine Speed (rpm x 1000)
   4   5   6   7   8   9   10   11   12   13   14