Cable Driven™ 55mm Big Bore Throttle Body – CNC Ported Intake System (Black, 1.80" Runner)
High-Flow Performance Intake for Harley-Davidson Twin Cam (2006–2017)
The Cable Driven™ 55mm Big Bore Throttle Body is engineered to push your Harley-Davidson Twin Cam engine to its full potential. Featuring a CNC ported intake manifold, brass throttle blade, and precision-machined aluminum body, this system delivers dyno-proven horsepower and torque gains. Flow bench-tested and optimized for accuracy, it maintains smooth throttle control, supports OEM electronics, and ensures long-lasting reliability under performance demands. Proudly Made in the USA, this intake upgrade provides unmatched precision for serious builders and riders.
⚠️ WARNING: Not legal for sale or use in California on any pollution-controlled motor vehicles. Refer to manufacturer documentation for emissions compliance.
Key Features
Includes CNC ported throttle body, intake manifold, throttle cable bracket, intake flanges, and seals
Flow bench-tested and dyno-proven to boost airflow, horsepower, and torque
Brass throttle blade resists deflection for precise throttle control and accuracy
Fully CNC machined and internally ported for maximum flow and power gains
Compatible with all OEM electronics and cruise control
Stock bolt pattern and air cleaner opening for easy installation
Made in the USA from premium aluminum
Emissions-related component — not legal for sale or use in California
Performance & Fitment
The Cable Driven™ 55mm Throttle Body (1.80" Intake Runner) is designed for Harley-Davidson Twin Cam Touring, Softail, and Dyna models (2006–2017). Built for riders seeking aggressive airflow and dyno-verified gains, this system is ideal for big-inch builds, cammed engines, and high-performance baggers. It’s the perfect upgrade for Nowaskey Performance and Hofmann Designs style setups — combining precision, power, and smooth delivery for serious riders and custom builders.
Compatible Models Include:
Touring: Road King, Street Glide, Road Glide, Electra Glide (2006–2007)
Dyna: Super Glide, Low Rider, Wide Glide, Fat Bob, Street Bob (2006–2017)
Bore Size: 55.00 mm Model: Cable Driven™ Material: CNC-Machined Aluminum Color/Finish: Black Features: Intake Runner 1.80", Sealed Double Roller Bearing Units: Each Weight: 2.7 lbs Dimensions (L x W x H): 9.4" x 6.52" x 6.27" Country of Origin: Made in the USA
Speak to an expert
We're here to help
Have questions? Tell us about your bike or the part you need, and our builders will help you get the perfect fit.