CSR 58mm Throttle Body for 2017-Newer Harley M8 Touring and Softail Motorcycles

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$675.00

 

Fitment: 2017-Newer Harley M8 Motorcycles (Touring and Softail Models)

A refundable core charge may apply to purchase this item.

We utilize your stock core electronics and build them into a new throttle body casting, CNC ported manifold, complete with new intake flanges and seals. Our throttle bodies are compatible with stock map sensors, fuel rail and cruise control and are all designed to increase airflow and improve performance.

You can choose from the drop down menu below if you want to pay the core charge and have your throttle body shipped out within 2-3 business days (if it is in stock) or you can choose to not pay the core charge and we will ship your throttle body out after we receive your stock throttle body in house .  Core charges will be refunded as soon as your working stock throttle body has been received and tested.  PLEASE NOTE: Cycle Solutions does not keep all intake sizes in stock.  Some throttle bodies can take 1-3 weeks to ship.

Increase your power by adding high flow injectors and/or Dyno Blades to your order by selecting them in the drop down menu below.  You can read about these products below in the product description.

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Description


Fitment: 2017-Newer Harley M8 Motorcycles (Touring and Softail Models)

CSR Throttle Body

Cycle Solutions Inc. is known for their top performing throttle bodies. You can squeeze more power from your M8 engine by switching out that plastic stock throttle body and replacing it with a CSR 58mm throttle body. We are getting huge horsepower gains with the new M8 engines with a stage 1 and 2 cam upgrade so it is no surprise that there are even more gains to be achieved by getting that plastic stock throttle body out of there and installing one of our 58mm or 62mm  CSR throttle bodies.

The stock M8 throttle body is a 55mm and it has a plastic plenum that can change shape under load and also has been known to melt due to high cylinder head temps. Nothing is more disappointing then to take off an air intake to discover that the throttle body has failed.

Our high performance motorcycle throttle bodies are made from high quality 356 aluminum castings to ensure perfect OEM fit every time. They will not warp or melt! We utilize your stock core electronics and build them into a new throttle body casting, CNC ported manifold, complete with new intake flanges and seals. Our throttle bodies are compatible with stock map sensors, fuel rail and cruise control and are all designed to increase airflow and improve performance. We stock many styles of 58mm and larger motorcycle air intakes that bolt right up and will complement any motorcycle.

Our dyno shows huge gains on the M8 engines when using our quality products. This dyno graph is for our 2017 Road King. We installed the D&D Billet Cat exhaust system, a Thundermax auto tune module, CSR air intake, 58mm CSR throttle body and a T-man 216 Cam chest upgrade. This bike gained 38 horsepower which is incredible!

M8 Throttle Body Upgrade Graph


Add High Flow Injectors to your throttle body

Horsepower Inc High Flow Injectors are a direct drop-in replacement for Harley Davidson Motorcycles.  These injectors feature a specifically engineered spray pattern that optimizes fuel atomization.  These injectors have a fuel deliver rate of 6.2gps and are highly recommended for engines making or exceeding 110 horsepower.


Add Dyno Blades Fuel Injector Nozzle for Harley Davidson Models

Dyno Blades are relatively inexpensive and provide horsepower and steady torque gains.  PLEASE NOTE: Dyno blades do not fit all aftermarket injectors.  They will fit stock injectors and some HPI Injectors.  Please contact us if your injectors are aftermarket and you are interested in Dyno Blades.

Product Features:

  • Attaches to the nozzle tip end of the modern solenoid activated port fuel injector
  • Distributes fuel into a venture that vaporizes fuel in the center of the intake port directly in front of the intake valve
  • Dyno Blades enhances combustion efficiency through the rapid transfer of heat from the atmospheric charge (air) to the fuel
  • Easily control the internal intake port air flow externally at the touch of a finger
  • Made in USA from 6061T billet Aluminum and are fully anodized
  • Designed with safety features so they can never fall into a port

Need to upgrade your air intake to match your new larger throttle body?

Cycle Solutions Inc offers several styles of motorcycle air intakes that have a backing plate specifically for a 58mm and larger throttle body.  Our intakes have larger openings that match up perfectly to our large throttle bodies so that there is no air flow restrictions letting your throttle body breathe!  Be sure to check out our air intake section when purchasing a larger throttle body.

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