Holley 550-1001 Terminator X Stealth 4150 Throttle Body Kit for GM LS-Series

The Holley Terminator X Stealth Kit 4150 Shiny Finish combines a fuel injection throttle body with a square-bore design for GM LS-Series applications. Its aluminum construction and silver finish provide a clean, durable appearance suited to performance-oriented engine projects.

Designed as a kit, this Terminator X Stealth assembly is identified by Holley part number 550-1001. The 4150-style configuration supports a familiar installation format for builds using compatible GM LS-Series components, while the throttle body design integrates the product’s fuel-injection function into a streamlined package.

The shiny finish adds a polished look under the hood, and the aluminum construction helps maintain a balance of strength and lightweight design. Use the vehicle and engine application information to confirm compatibility before purchase, as specific installation requirements are not provided in the product data.

With its square-bore layout, silver aluminum finish, and GM LS-Series application, the Holley Terminator X Stealth Kit offers a focused fuel-injection solution for projects requiring a 4150-style throttle body assembly.

Features:

• Brand: Holley
• Part Number: 550-1001
• Product Type: Fuel injection throttle body kit
• Series: Terminator X Stealth
• Configuration: 4150 style with square-bore design
• Construction: Aluminum
• Finish: Silver, shiny
• Application: GM LS-Series