Infinity 506
The Infinity 506 is designed for racing engines with up to 6 cylinders.

Infinity 508
The Infinity 508 is designed for high performance V8 crate engines and race engines using high impedance injectors with up to 8 cylinders. A special Powersports version is available for Polaris RZR 900, 1000 and XP Turbo applications using Plug & Play Adapter Wiring Harnesses specific to each application.