Kawasaki ZX400r Detent Spring Heavy Duty 2023>

Heavy Duty Detent Spring :This spring will allow a quicker and easier way of shifting, perfect for track use and road riding for  effortless downshifts into a corner. Missed shifts virtually disappear!

detent spring Install  sp13 ZX400r


75 in stock

SKU SP13-ZX400r Detent Spring ZXR Categories ,


Kawasaki ZX400r Detent Spring :This Spears Racing heavy duty Kawasaki ZX400r Detent Spring will allow a quicker and easier way of shifting, perfect for street riding, track day use and road riding for effortless up shifts and downshifts into or out of any corner missed shifts and false neutrals virtually disappear! And the speed at which the gears actually engage is dramatically improved. The spring will give you more confidence and has been race track proven by several AFM, CCS, WERA and WSMC racers.


The foot makes the change to the shifter, the shifter paw contacts the shift star, once this is done the shift star will go into the next gear selected,(Up or down shift) the Spears Racing Heavy duty detent spring keep constant pressure on the shift star, the spears unit compared to any other detents on the market is an engineered amount of pressure to unsure that as the shift star is moving, it will glide to the next gear.

Spears Racing Detents used in FIM WSS300, BSB JuniorSS, MotoAmerica Junior Cup and CSBK Lightweight Sportbike

detent spring Install  sp13ZX400r

Made in USA

Spears Racing has been designing and making race products for decades, their continuous committed to excellence to advance as the industry changes. This commitment has resulted in more components specific to certain applications, proprietary products only manufactured  for us. Each of these aspects has been put through stringent research and development stages to ensure that our product will exceed your standards.

Additional information

Weight 75 lbs


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