FiTech Ultimate LS 500 HP EFI System With Long Runner Cathedral Intake, Transmission Control & LS3 Coil Pack Set

The FiTech Ultimate LS 500 HP EFI System With Long Runner Cathedral Intake, Transmission Control & LS3 Coil Pack Set is a complete self-tuning EFI induction system designed for LS engines up to 500 HP. It fits Cathedral Port LS1/LS2/LS6 heads and includes a 92mm throttle body, electronic transmission control compatible with GM 4L60, 4L65, 4L80, and 4L85 transmissions, plus a set of LS3 style coil packs for a reliable ignition upgrade.

Key Features

Complete self-tuning EFI system for LS engines from 5.3L to strokers up to 500 HP
Long runner cathedral port intake manifold with 9-inch height
92mm cable-operated throttle body angled at 7 degrees for improved flow
Electronic transmission control for GM 4L60, 4L65, 4L80, and 4L85 transmissions
Included LS3 style coil pack set for enhanced ignition performance

Fitment

Fits Cathedral Port LS1, LS2, LS6 heads
Compatible with Small Block V8 GEN III/IV LS-based Chevrolet engines with 1500-6500 rpm power band
Supports GM electronically controlled automatic transmissions: 4L60, 4L65, 4L80, 4L85

Note: Throttle body may require clearance adjustments for some truck water pump accessories; a new water pump bracket may be needed. Throttle cable mounting bracket is optional and sold separately (FiTech part number 70063). Verify compatibility before ordering.