The Gen 4 Optimizer is the AFR+ Fuel Controller that combines an EFI controller with a wideband O2 sensor and AFR gauge to provide a user instant fuel trimming ability and feedback about their vehicle's state of tune. The AFR gauge allows you to know exactly how well your tune-up is performing at all times.

Features:

• Reliable, custom solution for your vehicle
• Will help provide enhanced sound
• Developed with maximum strength and unrivaled durability in mind
• Will provide utmost durability and performance
• High quality you can rely on
• Guaranteed to deliver long-lasting service life

Includes:

• AFR Guage
• Wideband Controller
• Bosch O2 Sensor

Note: This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization.