FiTech LS 1000 HP EFI System With Long Runner Cathedral Intake & Transmission Control

FiTech LS 1000 HP EFI System With Long Runner Cathedral Intake & Transmission Control

The FiTech LS 1000 HP EFI System With Long Runner Cathedral Intake & Transmission Control is a complete self-tuning EFI induction system designed for LS engines with cathedral port heads. It supports up to 1000 HP and includes a 102mm throttle body and electronic transmission control for GM automatic transmissions, delivering a seamless upgrade for LS1/LS2/LS6 and similar engines.

Key Features

• Long runner cathedral intake manifold optimized for LS1/LS2/LS6 heads
• 102mm cable-operated throttle body angled at 7 degrees
• Electronic transmission control compatible with GM 4L60, 4L65, 4L80, and 4L85 transmissions
• Includes 3 BAR MAP sensor for up to 30 PSI boost support

Fitment

• Fits LS1, LS2, LS6, LR4, L33, L59, LM4, LM7, LQ4, LQ9 cathedral port heads
• Compatible with 4.8L to 6.0L LS-based GM V8 engines

Specifications

• Intake manifold height: 9 inches
• Throttle body: 102mm, high-flow, cable-operated, 7° angled
• Throttle body clearance may require water pump bracket modification depending on setup

Installation Notes

• Connect transmission sub-harness if using transmission control; otherwise, leave connectors disconnected
• May require custom tuning for specific engine builds

Important Notes

• Not CARB approved; intended for non-emission-controlled vehicles

Note: Verify compatibility with your engine and transmission before ordering. Proper installation and tuning are essential for optimal performance.