FiTech Fuel Injection 71006 Ultimate LS 500HP EFI System with Long Runner Cathedral Intake and Inline Fuel Pump Kit

The FiTech Ultimate Tall LS 500HP EFI System is a complete self-tuning electronic fuel injection system designed for LS1, LS2, LS6, LR4, LM4, LM7, LQ4, and LQ9 engines. This master kit includes both the Ultimate Tall intake manifold system and a comprehensive inline fuel pump delivery kit, providing everything needed to convert your LS engine to modern EFI without sourcing mismatched parts or dealing with used ECUs.

Key Features:

• Complete plug-and-play system for cathedral port LS engines with tall truck accessory drive clearance
• Cable-driven 92mm throttle body with 36 lb/hr fuel injectors rated for 500+ horsepower
• Self-tuning ECU with OEM-level diagnostics and limp home modes
• Black powder coat aluminum intake manifold with long runner design for optimal torque
• Single oxygen sensor configuration for simplified installation

Inline Fuel Pump Master Kit Includes:

• 255 LPH EFI-grade inline external fuel pump (supports up to 600HP)
• 40 feet of AN-6 fuel injection hose for inlet and return lines
• 100-micron billet pre-filter and 10-micron billet post-filter
• Black anodized AN-6 push-lock fittings and mounting hardware

This system eliminates the complexity of LS engine conversions by providing a complete, matched induction and fuel delivery solution. The self-tuning capability means the system automatically adjusts fuel and timing parameters, making it ideal for both DIY enthusiasts and professional builders. Must be used with factory coil pack sub-harness.