Heavy Duty Valve Spring Kit, Honda 1999-2007 TRX 400EX

Description The Sparks Racing Heavy Duty Valve Spring Kit for the Honda TRX 400EX is designed to take the abuse of serious riders and just about any cam profile. We have been using these spring kits since the dawn of the 400EX. The high performance springs are designed to keep control of the valves, even at high RPM’s. The titanium retainers help ensure valve-train weight is kept to a minimum. SKU: VSKH99400X   Each Kit Includes: 4 valve springs 4 titanium valve retainers