Dynojet AT-100B - AutoTune Kit (with Bungs) for Harley-Davidson J1850 ECU ServiceNumber_BL3A_12A650_BRB Catch code: FUL3

Catch code: FUL3

Part number: BU7A-12A650-EYA

Catch code: TDA3

Vehicle-targeted listing for Set of 4 Denso injector connectors with pigtails (pgt-den4)

Dynojet AT-100B - AutoTune Kit (with Bungs) for Harley-Davidson J1850 ECU ServiceNumber_BL3A_12A650_BRB Catch code: FUL3The Dynojet AutoTune Kit (with Bungs) for Harley Davidson J1850 ECU 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 matters