Dear customer After you order please send us your car model and year to confirm first before we ship. Fitment For: Nissan 350Z 370ZmZ33 Z34 Nissan GTR Skyline 200SX 240SX Silvia Nissan Murano Altima Teana Leaf Xtrail Fairladyz Nissan Juke Maxima Sentra Quantity:1 means 1 set of 2 PIECES Wheel Spacer So 2 PIECES Wheel Spacer in 1 Quantity if you need 4pcs you can choose quantity: 2 to buy . Importance of Choosing Safe Wheel Spacer: Wheel Spacer is an important part connecting the wheel and rotor if wheel spacer material is bad or low strength quality it will result to wheel spacer breaking and during car fast driving the wheel will be easy to drop off the car and then the car will lost balance and will lose direction of running finally car accident will happen so we strongly recommend buyer to buyer high safety quality wheel spacer with professional performance test . JTP wheel spacer got Germany TUV tested and SGS tested. more than 5years high safety guarantee use . JTP Wheel Spacer Product Overview : ----Manufacturing Process: Hot FORGED Making ----Surface Treatment: Strong Anodizing Black with Strong Anti-Rust ability Able to Decrease Heat Fade ----Material : Real Standard 6061-T6 / 7075-T6 Aircraft AL Alloy -----Studs/Bolts Lug Nut Grade: 10.9 OEM Factory Grade All SGS Tested ----- Test ： JTP Wheel Spacer has been Germany TUV Tested and SGS Tested not normal market fade quality wheel spacer. We have all report for our buyer to check our real quality tested quality wheel spacer . -Spec-PCD : 5x114.3 Center Bore: 66.1mm - Wheel Nuts/Stud : M12x1.25 -Wheel Spacer Thickness : 20mm Notice of Installation: You will use our providing safe lug nuts to mount our wheel spacer to OEM hub stud first and finally use your car original OEM wheel nuts to mount the wheel to our wheel spacer stud