Parts

FeaturesThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harnessUtilizes wide-band oxygen sensors and works as a closed-loop control system to continuously self-adjust and properly tune the...

Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updatesHundreds of maps...

Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updatesHundreds of maps...

Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updatesHundreds of maps...

2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harnessThunderMax quick start easy install and printable comprehensive user’s manualNever outgrow it - easily accomodates bike changeNo Dyno required - automatically tunes for...

Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updatesHundreds of maps...

Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quick-Start Easy Install and Comprehensive User's Manual, technical support and free software and updatesHundreds of maps...

2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harnessThunderMax quick start easy install and printable comprehensive user’s manualNever outgrow it - easily accomodates bike changeNo Dyno required - automatically tunes for...

2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harnessThunderMax quick start easy install and printable comprehensive user?s manualNever outgrow it - easily accomodates bike changeNo Dyno required - automatically tunes for...

Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft websFactory assembled and trued to OEM specifications; meet or surpass OEM in performance and durabilityComplete and ready for installationCompletely...

Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft websFactory assembled and trued to OEM specifications; meet or surpass OEM in performance and durabilityComplete and ready for installationCompletely...

Complete crankshaft assembly with connecting rodWill meet or exceed OEM performanceTrued to OEM specificationsMulti-cylinder applications include main bearingsRebuildableReady for installation Yamaha -- XRT 1200 XR1800 -- (2001, 2000); Yamaha -- GP 1200...