101mm LS2 Polished Mech. Linkage Throttle Body

The 101mm LS2 Polished Mech. Linkage Throttle Body from Professional Products is engineered for serious marine and boating enthusiasts who demand precision engine control and reliable throttle response. Built as a direct upgrade to factory LS-series throttle bodies, this 101-millimeter unit replaces restrictive stock components with a larger bore diameter that maximizes airflow to your engine's intake tract. Whether you're pushing your boat to higher RPM ranges or seeking smoother idle-to-wide-open throttle transitions, this throttle body delivers the mechanical simplicity and performance gains that water sports demand.

Constructed from aluminum and finished in a professional polished coating, the 101mm LS2 Polished Mech. Linkage Throttle Body features a single-blade mechanical linkage design that ensures responsive, cable-actuated throttle control without electronic lag. The polished finish resists corrosion in salt and freshwater environments while providing a clean, finished appearance in the engine bay. Mechanical linkage operation means no dependency on electronic sensors or throttle-by-wire systems—pure mechanical advantage that responds instantly to driver input, a critical advantage when piloting demanding marine applications where precision throttle modulation matters.

This throttle body is purpose-built for GM LS-series engine platforms, including LS2 configurations popular in high-performance marine builds and retrofit applications. The stock flange design ensures direct bolt-on compatibility with factory intake manifolds and mounting points, eliminating the need for custom adapters or fabrication. Installation is straightforward for experienced builders, and the mechanical nature of the component makes it compatible with both carbureted and modern fuel-injected systems. Weighing just 4.65 pounds, it adds minimal mass while delivering measurable flow improvements that translate to faster spool-up and better overall throttle authority on the water.