Dynojet TT-2X - Target Tune for Harley-Davidson J1850 ECU 10/10" 4P no sensors ServiceNumber_6U7A_12A650_HTB Catch code: CJB0

Catch code: CJB0

7L V8 1994-1995 Pontiac Firebird 5

Part number: 6U7A-12A650-FJA

Part number: DC3A-12A650-BEF

Catch code: FUF6

Dynojet TT-2X - Target Tune for Harley-Davidson J1850 ECU 10/10" 4P no sensors ServiceNumber_6U7A_12A650_HTB Catch code: CJB0The Dynojet Target Tune for Harley Davidson J1850 ECU 10 10" 4P no sensors is built for tuning setups where wideband feedback is part of the plan. It gives the calibration process better data to work from instead of relying only on a base map and guesswork. Why It Matters Adds wideband feedback support for compatible Dynojet tuning systems Helps refine fueling when the vehicle setup changes A strong add on for builds where accurate air fuel data