Billet Proof Designs Chrome 1in Single Cable Throttle Assembly for Harley 1974-1980

Overview

Elevate the classic Harley throttle experience with Billet Proof Designs chrome 1in single cable throttle assembly. Engineered to mirror the original hardware while delivering a precise, smooth throttle feel, this kit suits riders who value authentic styling and dependable performance on 1" handlebars. The chrome finish catches the eye and cleans up the lines of the control area, making it a tasteful upgrade for restorations or rider-focused builds.

Key benefits include a chrome-plated cable housing clamp that reproduces the iconic look, a knurled throttle return tension adjusting screw for tactile control, and a durable nylon throttle sleeve that protects the cable against wear. The design is specifically compatible with ’74–’80 FX and Sportster models, as well as ’75–’80 FLH/FLT models that use a single external throttle cable. For riders pursuing broader configurations, Billet Proof Designs also offers dual external cable kits for 1981–1995 Big Twins and Sportsters.

What you get and how it performs

• Chrome-plated cable housing clamp for an OEM-style finish and secure alignment.
• Knurled throttle return tension screw that lets you fine-tune feel and responsiveness.
• Durable nylon throttle sleeve designed to withstand repeated use while maintaining smooth operation.
• Designed for easy installation on 1" handlebars, preserving clean lines and reliable control.
• Dual-cable kits are available for later Harley configurations, expanding compatibility beyond the single-cable setup.

Dimensions and fitment

The complete assembly measures 5 inches long by 2-5/8 inches wide (including the tension screw). The cable housing portion runs about 2 inches long, 1-7/8 inches wide, and 3/4 inch tall. The nylon sleeve is 4-1/2 inches long and 1-1/8 inches in cross-section. These figures help you plan fitment alongside existing controls and handlebars for a tidy, integrated look.

Practical use cases

• Restore an authentic feel on a vintage Harley while keeping the look faithful to the era.
• Achieve a controlled throttle experience with a tactile, knurled tension screw for subjective feedback.
• Pair with a chrome housing clamp for a cohesive aesthetic that complements chrome accents on the bike.
• Consider the dual-cable option if you’re upgrading to a broader configuration for future customization.
• Complementary grip upgrades are available in our store to complete a coordinated control set.

Finish: Chrome. Finish and hardware are built to endure typical riding conditions while maintaining the classic look riders expect from Billet Proof Designs. For a broader upgrade strategy, explore our dual-cable kits and grip collections to tailor the throttle system to your riding style.