Cable Driven™ 51mm Big Bore Throttle Body – CNC Ported Intake System (Black, 1.66" Runner)

Precision Engineered for Harley-Davidson Twin Cam (2006–2017)

The Cable Driven™ 51mm Big Bore Throttle Body is designed to deliver precise throttle control and dyno-proven power gains for Harley-Davidson Twin Cam models. CNC-machined and ported for maximum flow, this system improves airflow, horsepower, and torque while maintaining OEM-level reliability and compatibility. Featuring a brass throttle blade, sealed double roller bearing, and internal porting for smooth operation, this throttle body combines top-tier performance with Made in the USA craftsmanship.

⚠️ WARNING: Not legal for sale or use in California on any pollution-controlled motor vehicles. See manufacturer for emissions details and regulatory compliance.

Key Features

• Includes throttle body, CNC ported intake manifold, throttle cable bracket, flanges, and seals

• Flow bench-tested and dyno-proven to increase horsepower and throttle response

• Brass throttle blade resists deflection for unmatched throttle accuracy

• Sealed double roller bearing for smooth, precise throttle operation

• Fully CNC machined and internally ported for maximum flow efficiency

• Compatible with OEM electronics and cruise control systems

• Stock bolt pattern and air cleaner opening for seamless installation

• Made in the USA with premium-grade aluminum construction

• Emissions-related component — not legal for sale or use in California

Performance & Fitment

Optimized for Harley-Davidson Twin Cam Touring, Softail, and Dyna models (2006–2017), the Cable Driven™ 51mm Throttle Body (1.66" intake runner) delivers reliable power gains for mildly to moderately modified builds. Perfect for performance baggers and Twin Cam upgrades featuring Nowaskey Suspension, Hofmann Designs carbon fiber, or billet aluminum components, this intake system improves throttle response, midrange performance, and overall rideability.

Compatible Models Include:

• Touring: Road King, Street Glide, Road Glide, Electra Glide (2006–2007)

• Softail: Fat Boy, Deluxe, Slim, Heritage, Night Train, Breakout (2006–2017)

• Dyna: Street Bob, Super Glide, Low Rider, Fat Bob, Wide Glide (2006–2017)

Bore Size: 51.00 mm
Model: Cable Driven™
Material: CNC-Machined Aluminum
Color/Finish: Black
Features: Intake Runner 1.66", Sealed Double Roller Bearing
Units: Each
Weight: 2.75 lbs
Dimensions (L x W x H): 9.32" x 6.51" x 6.41"
Country of Origin: Made in the USA