Cable Driven™ 55mm Big Bore Throttle Body – CNC Ported Intake System (Black)
Unleash Maximum Airflow, Power & Precision for Harley-Davidson Twin Cam Engines
Built for riders who demand the best from their Twin Cam engines, the Cable Driven™ 55mm Big Bore Throttle Body is a CNC ported, dyno-proven performance system engineered to deliver measurable gains in horsepower, torque, and throttle response. Featuring a brass throttle blade for unmatched accuracy, a sealed double roller bearing for smooth operation, and full OEM electronics compatibility, this throttle body combines precision craftsmanship with proven race-level performance — Made in the USA.
⚠️ WARNING: Not legal for sale or use in California on any pollution-controlled motor vehicles. See manufacturer site for emissions and compliance details.
Key Features
Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges, and seals
Flow bench-tested and dyno-proven for increased airflow, horsepower, and torque
Brass throttle blade resists deflection, maintaining throttle position accuracy
Sealed double roller bearing ensures smooth, long-lasting throttle movement
Fully machined and ported internally for maximum airflow and power delivery
Compatible with OEM electronics and cruise control systems
Stock bolt pattern and air cleaner opening for straightforward installation
Made in the USA with precision CNC-machined aluminum
Emissions-related component (see disclaimer above)
Performance & Fitment
Engineered for Harley-Davidson Twin Cam Touring, Dyna, and Softail models (2001–2005), the Cable Driven™ Big Bore Throttle Body optimizes airflow for big-inch, high-compression, or performance-tuned builds. Perfect for performance baggers and custom projects running Nowaskey Suspension, Hofmann Designs carbon fiber, or billet aluminum upgrades, it delivers sharper throttle response, improved high-RPM stability, and superior torque across the powerband.
Softail: Fat Boy, Deuce, Heritage Classic, Night Train, Springer (2001–2005)
Dyna: Low Rider, Super Glide, Wide Glide, Super Glide Sport (2004–2005)
Bore Size: 55.00 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): 9.43" x 6.5" x 6.48" Made in the USA
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