Fits: > 59-81 XL

OEM style replacement for 41761-78

Fits 06 later DYNA Models (Except FXDWG)

without 46615-06 copper washers

Offers data recording: * Total engines hours run time

Dynojet Thunderslide Kit Evo 89-99 CV Tändning och batteri Fits: > 59-81 XLDescription For EU models; Stage 1. The Thunderslide for Harley Davidson has set a benchmark in jet kit design. It incorporates a custom made throttle slide of which the unique profile allows precise control over the slide's range of movement. It creates a stronger signal, improving fuel atomizing which is essential for a good fuel burn. This provides more power, increased throttle response and improved fuel economy. Fitment 89 99 Evo Big Twin