TCI EZ-TCU Transmission Controller - Push-Button - Handheld - 4L60E/4L65E/4L70E/4L80E Distributor Mechanical Advance 1-3/4 in Micro Sprint Axles

1-3/4 in Micro Sprint Axles

Compatible with Holley EFI Plug and Play Programmable Shift Light - Part Number 553-107

1975-1979 Oldsmobile Cutlass Salon

2001-2004 Chevrolet Silverado 3500

1975-1985 Chevrolet G30

TCI EZ-TCU Transmission Controller - Push-Button - Handheld - 4L60E/4L65E/4L70E/4L80E Distributor Mechanical Advance 1-3/4 in Micro Sprint Axlesthe EZ TCU does all the work for you! The EZ TCU is fully configured and ready to run right out of the box no tuning necessary. But for those who demand customization, the unit is also optionally fully programmable based on load, speed and RPM. The EZ TCU programming interface is completely intuitive. There is no real expertise needed if you want to custom program your calibration. The EZ TCU is capable of real time switchable calibrations, which