EDR Kawasaki ZX-4RR WORKS Clutch Spring Kit v2 Race and Evo systems are

Race and Evo systems are quick shift ready which means no need to buy additional modules all you need is an RB quick shift sensor for the bikes that is not equipped with quick shift function from the factory

Brutale 1090 RR (2010 - 2012)

Downshift Timing ("TS")

the rear master cylinder would require a Racetorx junction valve " https://racetorx

That's pretty simple

EDR Kawasaki ZX-4RR WORKS Clutch Spring Kit v2 Race and Evo systems areKawasaki ZX 4RR WORKS Kit Clutch Springs for the 2023 + models. Kit Springs provide improved feel and a stronger spring rate for better clutch engagement. FITMENT: Kawasaki Kawasaki ZX 4RR +