Dynojet TT-1X - Target Tune for Harley-Davidson J1850 ECU 52/10" 2P no sensors ServiceNumber_F1GA_12A650_AJF Part number: 6U7A-12A650-KCB

Part number: 6U7A-12A650-KCB

Part number: 4L3A-12A650-AND

Catch code: FLC7

and L99 engines (High-Z) (is303-0660h-sp)

Part number: G2GA-12A650-KE

Dynojet TT-1X - Target Tune for Harley-Davidson J1850 ECU 52/10" 2P no sensors ServiceNumber_F1GA_12A650_AJF Part number: 6U7A-12A650-KCBThe Dynojet Target Tune for Harley Davidson J1850 ECU 52 10" 2P 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