Maxorber Full Set Shocks Struts Absorber Kit Compatible with 2001-2010 Chevy Silverado 2500 HD 2001-2010 gmc sierra 2500 hd 2000-2009 GMC Yukon XL 2500 1999-2004 GMC Sierra 2500 Chevy Silverado 2500 Please Note: Full Set/Front and Rear Pair Shocks Struts would be shipped as 2 Packages, 1Pair in 1 Package Units, in order to protect the heavy shocks and packages. Please understand and wait a bit longer compatible with the second package.Please feel free to contact us anytime KYB Cross Reference Number 344383 344383 344385 344385 Cross Reference Number 37181 37181 37164 37164 Interchange Part Number 2 34504 32350 37178 Cross Reference Part Number 37165 37179 No refurbished parts! We do not sell any re-manufactured or refurbished parts, factory direct! Hard chromed piston rod, microcracks chromed surface processes and ultra-precision vertical polishing, to ensure smooth contact between the piston rod and seal. High quality Japanese made oil seals,to reduce friction between the piston rod and seal, multi-lip oil seal design to isolate external grime. High performance shock absorber oil, with high performance of anti-foam and anti-shear, reduce the internal wear. Pressurized N2 gas, to reduce foaming and aerating, to ensure product better performance. Seamless cylinder &amp; sleeves to reduce the possibility of splitting, to ensure close contact between the piston and cylinder, no leaks,to obtain stable damping force. Buckle holes are consistent with the car in situ, without any changes, easy and quick installation.