Factory Connection Shock Spring (6.0 Kg) Compatible With 89-19 YAMAHA YZ250

الوصف

Heat-tempered, shot-peened and end-ground to improve spring stress and spring longevity. Pre-set for fatigue resistance. Exceeds the O.E.M. industry standard of 200,000 cycles; many are tested to 500,000 cycles. Each spring must pass a rigorous 11 categor