Description
Spears Racing has been on the leading edge of making new products for the little commuter style bikes for decades, most of these products come from the motorcycle being used for something other than what it was intended to be use for…RACING!! This is why we have brought the “Wurx” Spears Racing Kawasaki Ninja 400cc/Z400 frictions and WURX Springs. This kit consist of the best Japanese made Frictions Plates (NON OEM) by the worlds leader in manufacturing of racing clutch friction and brake components along with the Spears Racing “Wurx” Clutch springs and reusable clutch cover gasket.
These Kawasaki EX400/Z400 Racing clutch kit for 2018/current kawasaki come to you the end user after decades of research and development both on and off the race track, constantly striving to offer the best possible friction material for your motorcycle . This Japanese manufacturer racing clutch kit has a 20% increased clutch surface area which mean more surface area +less wear,less slippage and better high performance durability.
The clutch plate cores are CNC machined from 6061-T aluminum, allowing the drive tab width to be increased for better wear and minimal impact on clutch baskets. (125 gms) These clutch plates are made in Japan
The Spears Racing “Wurx” springs are designed and engineered and manufactured in the USA, always race track tested by many racers here in the USA and around the world at all levels of competition from track day riders to World level race teams. The Spears Racing “Wurx” EX400/Z400 Clutch Springs are heavy duty and are pre-set, shot-peened, and heat treated for performance and durability. Simply, these springs will allow your Kawasaki Ninja EX400/Z400 to have better control of your launches/starts and will not have any slippage or fade while running at race pace.
It is truly no secret that the Stock OEM Kawasaki Ninja EX400 is a commuter style motorcycle, you will find that the clutch will start to fail/slip and you will be left on the side of the road or on the edge of the race track.
These clutch spring have an increase of pressure and allow less high RPM Slippage .
This Spears Racing Kawasaki EX400 Racing Clutch Kit is currently being used by WSSP 300 ,BSB Junior Teams, CSBK Race teams, MotoAmerica racers and club level racers around the world.
The Spears Racing “Wurx” Clutch spring are manufactured by a USA spring company to the specifications that Spears Racing has designed for a “No Slip” more seat pressure than the OEM stock Springs.
Spears Racing Clutch Cover Gasket
This Clutch Cover Gasket for the 2018/Current Kawasaki Ninja 400/Z400 is a special design and the Designing engineers ensure that the gasket is drawn with state-of-the-art software and manufactured with the best materials, utilizing the most current and efficient manufacturing processes. Have an 85% shape-recovering while maintaining strong torque retention – ideal gasket material for machined surfaces.
AFM is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core with temperature resistance of over 2500°F. AFM material has an 85 percent recovery while maintaining strong torque retention. AFM does not require gasket sealers or re-tightening.
This proprietary AFM (Aluminum Foamette Material) gaskets feature an aluminum core with a chemically blown, compounded nitrile synthetic rubber bonded to the outside.
AFM will not stick to the engine case making replacement quick and easy so you don’t have to scrape off leftover gasket material. The aluminum core gives the gasket strength for a superior seal and prevents the gasket from weeping or seeping oil.
Today’s lightweight motorcycle engines are producing more horsepower, higher cylinder pressures and extreme temperatures. Spears Racing is committed to provide innovative, quality gaskets while maximizing your engine’s performance and power. This is the same quality of gaskets that have been used by engine builders and Factory race teams around the world for decades.
All of the Spears Racing kawasaki Ninja 400cc are built with these gaskets.
Understand that the OEM Kawasaki Gasket is designed to use one time
This Clutch Cover Gasket Does not require gasket sealer
Made in the U.S.A.
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