FiTech Fuel Injection 70001 Ultimate LS1/LS2/LS6 500HP Kit

The FiTech Fuel Injection 70001 Ultimate LS1/LS2/LS6 500HP Kit is a complete self-tuning EFI system designed for LS-based Chevrolet engines up to 500 HP. It fits Cathedral Port LS1, LS2, and LS6 heads and supports a 1500-6500 rpm powerband, ideal for street and performance builds.

Key Features

Low profile 92mm fabricated aluminum intake manifold, TIG welded, 6.5" tall
Billet fuel rails with AN fittings and fuel crossover
Self-learning ECU with touchscreen controller for easy setup
Sequential fuel and spark control with individual cylinder trim
Bosch wideband oxygen sensor control (self-learning)
Compatible with 24X and 58X crank and cam sensors
Includes 36 lb/hr flow-matched injectors and high volume fuel rails
Throttle body sits at 7 degrees, cable operated

Fitment

Cathedral Port LS1, LS2, and LS6 heads
Small Block V8 Gen III/IV LS-based Chevrolet engines from 4.8L to 6.0L (up to 500 HP)

Kit Contents

92mm billet aluminum throttle body
Hand-held touchscreen controller with windshield mount
LS ECU and custom wiring harness (uses factory coil pack sub harness)
36 lb/hr flow-matched fuel injectors
High volume billet fuel rails with mounting bracket and AN fittings
Throttle Position Sensor, Idle Air Control Motor, Idle Air Temperature Sensor
Wideband O2 sensor and stainless steel O2 sensor bung kit (clamp or weld on)

Important Notes

Throttle cable mounting bracket is optional and not included (FiTech part number 70063)
Throttle body clearance depends on water pump accessories; a new water pump bracket may be required
Not CARB approved for emission-controlled vehicles; designed for retrofitting LS engines into older vehicles without emissions controls

Note: Verify compatibility before ordering and ensure proper installation and tuning for optimal performance.