FiTech Fuel Injection Ultimate LS 1000 HP EFI System With Long Runner Cathedral Intake

The FiTech Fuel Injection Ultimate LS 1000 HP EFI System With Long Runner Cathedral Intake is a complete self-tuning EFI induction system designed for LS1/LS2/LS6 engines with cathedral port heads. Supporting up to 1000 HP and 30 PSI boost, this kit simplifies upgrading your LS engine with a 102mm throttle body and long runner intake manifold, delivering reliable performance for street and performance builds.

Key Features

Low profile 102mm fabricated aluminum intake manifold with 1500-6500 rpm power band
Self-learning ECU with color touch screen controller for easy setup
Sequential fuel and spark control with individual cylinder trim
3 BAR MAP sensor supporting up to 30 PSI boost for power adder applications
Billet fuel rails with AN fittings and fuel crossover
Dual Bosch wideband O2 sensors with dual trim control
Includes 80 lb/hr flow-matched injectors and stainless O2 sensor bung
Plug and play wiring harness compatible with factory coil pack sub harness

Fitment

Cathedral port LS1, LS2, LS6 heads
Small Block V8 GEN III/IV LS-based Chevrolet engines from 4.8L to 6.0L

Note: Verify compatibility before ordering. Throttle body clearance may require a new water pump bracket on some truck applications. This system is not CARB approved and intended for non-emission controlled vehicles. Optional throttle cable bracket sold separately.