Performance Kits - Milwaukee Eight | Suburban Motors Harley-Davidson

Kits - Milwaukee Eight

Harley-Davidson Milwaukee Eight Performance Kit

MILWAUKEE-EIGHT STAGE "2" TORQUE KIT

This kit was developed for the budget minded rider that wants to experience crisp throttle response and acceleration they can feel at slower speeds. The 5% increase in torque can be felt immediately off the line and continues to build by up to a 14% increase @ 4500 RPM - the ideal power band for passing slow moving vehicles.

These kits retain original equipment factory warranty and are 50-State US. EPA compliant.

Installed Kit Price $1675.99

(Exhaust is not included)

Harley-Davidson Milwaukee Eight Performance Kit

MILWAUKEE-EIGHT STAGE "2" POWER KIT

This kit was developed for the budget minded rider that wants to experience that adrenalin-pumping burst of speed while heading toward the red line. The additional power starts to bulid @ 3000 RPM and continues to build by up to 24% at redline. Riding the bike aggressively will require downshifting to lower gears to keep the engine operating in the higher RPM range.

These kits retain original equipment factory warranty and are 50-State US. EPA compliant.

Installed Kit Price $1675.99

(Exhaust is not included)

Harley-Davidson Milwaukee Eight Performance Kit

MILWAUKEE-EIGHT STAGE "IV" 107 TO 128 KIT

This Stage IV Kit was designed to deliver maximum horsepower-all the way to redline. Features new CNC-ported heads with 1mm larger valves and fully machined combustion chambers. Coupled with the Kit's high lift SE*-517 cam, high compression pistons and 64mm throttle body and intake manifold, this combination delivers a thrilling 126 ft-ld of torque and 121 rear wheel horsepower when paired with Screamin' Eagle Street Cannon Mufflers..its 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 kit do not impact the vehicles limited warranty.

Performance components include:

  • Screamin' Eagle CNC Ported Cylinder head with CNC machined chamber.  
  • 128 Stage IV Timing 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
  • Screamin' Eagle High Flow Injectors (5.5g/sec)
  • Screamin' Eagle Pro Street Tuner
  • Screamin' Eagle Ventilator Extreme Air Cleaner
  • High Capacity Oil Pump 17-19 Models
  • High Capacity Clutch Kit 17-19 Models

Installed Kit Price $5807.63

(Exhaust is not included)

 

MILWAUKEE-EIGHT STAGE "4" 114-117 to 131 KIT

Go big or go home. With the largest displacement of any Harley-Davidson Stage Kit, this 114CI to 131CI Stave VI Kit was designed to deliver maximum horsepower - all the way to redline. Packaged with patent-protected cylinder technology, it allows for the largest bolt-on engine upgrade to any Milwaukee Eight motor, and 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 ouput 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
  • The kit is 49-State U.S. EPA Compliant on 2017- 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 5.5g/sec High Flow Injectors
  • Screamin' Eagle Pro Street Tuner
  • Screamin' Eagle Ventilator Extreme Air Cleaner
  • High Capacity Oil Pump 17-19 Models
  • High Capacity Clutch Kit 17-19 Models

Installed Kit Price $5807.63

(Exhaust is not included)


Screamin' Eagle Milwaukee-Eight Engine 131 Performance Crate Engine

Leave other riders in the dust with the biggest, most powerful street-compliant crate performance engine Harley-Davidson has ever created. Built from the bottom up in Milwaukee, this street-tuned 131-cubic-inch Screamin' Eagle Crate Engine is designed to run with a wide open throttle at high engine speeds and provide instant passing power from cruising speed. Made for riders seeking maximum displacement, compression, and flow, it delivers 131 ft-lb of torque to the rear wheel as soon as the throttle is cranked. Stage IV equipped engine includes 131 Stage IV badging on the cylinder heads and timer cover to highlight the powerplant. Ready for bolt-on installation in the original equipment-style chassis of your Touring bike. No special fabrication or engine-mount relocation is required. The crate engine features a one-year manufacturer's warranty for unmatched confidence. Eligible for coverage under factory warranty when dealer installed within 60 days of vehicle purchase.

Designed and tested and the Harley-Davidson powertrain factory to ensure the highest quality construction, this street-ready performance motor features the finest Screamin' Eagle components:

  • Engraved CNC-ported cylinder head with CNC-machined chamber and 1mm larger valves
  • SE8-517 high-lift cam
  • High-compression forged pistons
  • High-performance cam bearing
  • High-performance tappets
  • Patent-protected 4.31" steel sleeve cylinders
  • 64mm throttle body
  • 5.5g/sec fuel injectors
  • Screamin' Eagle Pro Street Tuner
  • Performance Head Pipe
  • Fan Assist oil Cooler

Installed Crate engine includes head pipe, tuner, air cleaner, all gaskets and oil.

Oil Cooled $8799.00

Twin Cooled $8899.00


Milwaukee-Eight Non Emissions Legal Performance Kits

MILWAUKEE-EIGHT STAGE "5" 107 TO 120 OR 114 to 124 BOLT ON (KIT ONLY)

Suburban Speeds 120 and 124 kits for the 2017 and up Milwaukee Eight engines offer the ultimate in horsepower and torque. These kits include, 4.185 bore Mahle pistons and 4.185 precision bored cylinders, TTS 200 cam, high lift B-hive valve springs, high performance lifters, upgraded inner cam bearing, 5.5 gram injectors, Cometic head and base gaskets, as well as all other gaskets required to install the big bore kits. These kits do not require case boring, balancing  or valve adjustment, just bolt in tune and go. Milwaukee Eight 120 and 124 kits offer a 50% increase in power over stock.
(Fits Twin Cooled and Oil cooled engines)
M8 120 compression 10.9 to 1 with .040 head gasket
M8 124 compression  11.2 to 1 with .040 head gasket

Kit Only Price $1991.05
Installed Price $4699.95 (Includes tuner and tuning)

Harley-Davidson Milwaukee Eight Performance Kit

MILWAUKEE-EIGHT STAGE "6" 107 TO 120 OR 114 to 124 CVO KIT

Suburban Speeds 120 and 124 kits for the 2017 and up Milwaukee Eight engines offer the ultimate in horsepower and torque. These kits include M8 CNC ported heads with high capacity valve springs, 4.185 bore Mahle pistons and 4.185 bore cylinders, TTS 250 cam, high performance lifters, upgraded inner cam bearing, 64mm throttle body, 5.5 gram injectors, high capacity clutch pack with AIM VP pressure plate, Cometic head and base gaskets, These Milwaukee Eight 120 and 124 kits offer a 70% increase in power over stock. 2017 TO 2019 require oil pump upgrade.

Kit Only Price $3337.02 (Clutch not included on kit price)
Installed Kit Price $6499.95 (Includes tuner and tuning)

(Exhaust is not included)

Harley-Davidson Milwaukee Eight Performance Kit

NEW M8 KITS FOR 2019

MILWAUKEE-EIGHT STAGE "7" 107 TO 126 OR 114-117 to 130 CVO KIT

Suburban Speeds Stage "7" 126 and 130 kits for the 2017 and up Milwaukee Eight engines offer the ultimate in horsepower and torque. These kits include, 4.280 bore Mahle pistons and 4.280 precision bored cylinders,  504 OR 200 cam, high lift B-hive valve springs, high performance lifters, upgraded inner cam bearing, 5.5 gram injectors, Cometic head and base gaskets, as well as all other gaskets required to install the big bore kits. These kits do not require case boring, reballancing flywheels or valve adjustment, just bolt in tune and go. Milwaukee Eight 126 and 130 kits offer a 70% increase in power over stock.
(Fits Twin Cooled and Oil cooled engines)
M8 126 compression 11.15 to 1 with .040 head gasket
M8 130 compression  11.45 to 1 with .040 head gasket

Kit Only Price $2380.75
Installed Price $5499.95 (Includes tuner and tuning)

(Exhaust is not included)

Harley-Davidson Milwaukee Eight Performance Kit

MILWAUKEE EIGHT STAGE "8" 107 TO 126 & 114-117 TO 130 KIT

Suburban Speeds Stage "8" 126 and 130 kits for the 2017 and up Milwaukee Eight engines offer the ultimate in horsepower and torque. These kits include, 4.280 bore Mahle pistons and 4.280 precision bored cylinders, Suburban Speed ported M8 Cylinder heads, TTS 250 cam, TTS high lift B-hive valve springs, high performance  lifters, solid non adjustable high performance pushrods, upgraded inner cam bearing, 64mm throttle body, 6.2 gram injectors, Cometic head and base gaskets, as well as all other gaskets required to install the big bore kits. These kits do not require case boring, reballancing flywheels or valve adjustment, just bolt in tune and go. Milwaukee Eight 126 and 130 kits offer a 80% increase in power over stock.
(Fits Twin Cooled and Oil cooled engines) (Kit is head exchange or your heads only)
M8 126 compression 11.15 to 1 with .040 head gasket
M8 130 compression  11.45 to 1 with .040 head gasket

Kit Only Price $4493.75
Installed Price $ 7799.95 (Includes tuner and tuning)

Harley-Davidson Milwaukee Eight Performance Kit

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