Sniper EFI Stealth 4150 Shiny Finish

The Sniper EFI Stealth 4150 Shiny Finish from Holley is a modern electronic fuel injection throttle body designed for street and performance engines seeking reliable, computer-controlled fuel delivery. Built as a complete kit, this square-bore aluminum unit delivers the precision tuning capability that contemporary engine builders and enthusiasts demand. Whether you're upgrading a carbureted engine or fine-tuning an existing EFI platform, this throttle body integrates seamlessly with Holley's proven Sniper system architecture.

The Sniper EFI Stealth 4150 features a shiny aluminum finish and square-bore design optimized for maximum airflow and consistent fuel atomization. Square-bore geometry is the industry standard for performance applications, providing superior velocity characteristics and responsive throttle transition compared to round-bore alternatives. The 4150 flange pattern ensures broad compatibility with existing intake manifolds, while the complete kit includes all necessary sensors, wiring harnesses, and control modules for plug-and-play installation on most engine platforms.

This throttle body suits engine builders, hot rodders, and truck enthusiasts transitioning from traditional carburetion to electronic fuel injection without extensive manifold modifications. The shiny finish provides both aesthetic appeal and corrosion resistance in engine bay environments. Installation requires basic mechanical knowledge and compatibility verification with your intake manifold flange type; Holley's comprehensive documentation and support resources guide users through sensor calibration and tuning procedures for optimal performance.