Eye center to center: 9 7/8″ (250mm), Mounting hole diameter: 3/8″(10mm) Max loaded of each shock: 600 lbs, Travel length: 2″ (50mm) Provides a smoother ride and better overall damping management Rear suspension shock absorber, suitable for most 4 wheels with same mounting size such as quad atv go kart buggy Package include: 2 x Shocks Product Description Specification: Travel length: 50mm (1.97″)Eye center to center: 250mm (9.84inch)Mounting hole diameter: 10mmMax loaded of each shock: 600lbsThis load adjusting shock absorber adjust rapidly to changing road and weight conditions, delivering enhanced control with uncompromised ride comfort.They with special modifiers to reduce friction and ensure smooth rod reaction.