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

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.