PROFORM 67231 Throttle Base Plate Secondary Linkage Kit with 3 Ratios

The PROFORM 67231 Throttle Base Plate Linkage Kit is designed for mechanical secondary carburetor applications requiring precise throttle linkage control. This kit supports stock, 1:1, and super-progressive ratios, allowing you to tailor throttle response and opening characteristics to match your vehicle’s performance setup. It is a practical solution for tuning secondary engagement without replacing the complete throttle system.
The PROFORM 67231 kit is engineered for use with PROFORM mechanical secondary components and is suited to performance street, racing, and custom carburetor installations. Its three available linkage ratios provide flexibility for drivers and builders seeking controlled throttle operation, improved drivability, or a more aggressive secondary opening profile. Select the ratio that best complements your carburetor, intake, and engine combination.
Designed as a direct-fit linkage accessory for compatible PROFORM applications, this secondary linkage kit helps simplify installation and adjustment. The compact design supports clean routing around the throttle base plate while maintaining reliable mechanical operation. Verify carburetor and throttle base plate compatibility before installation, and follow the manufacturer’s instructions for proper adjustment and safe throttle return operation.

Features:

• Application: Designed for PROFORM mechanical secondary carburetor systems

• Ratios: Includes stock, 1:1, and super-progressive secondary linkage options

• Adjustment: Helps tailor secondary throttle opening and response characteristics

• Installation: Designed for compatible PROFORM throttle base plate applications

• Use: Suitable for performance street, racing, and custom carburetor setups