Sold as Each
Standard Replacement have 30mm piston diameter. Used on vehicles with standard size tyres OR minimal Off-Roading.
HD Replacement have a 35mm piston diameter. Used on vehicles with larger tyres OR more Off-Road use.
Coil-Over style have a 35mm piston diameter piston with external coil spring mounted on the damper body. Used on vehicles with over sized tyres OR very high lift OR to neutralise ‘front-end shimmies’.
XHD Coil-Over style have the 35mm diameter piston with XHD coil mounted to the damper body. Used on more extreme examples of above, 35″ or larger tyres.