Replaces Polaris part numbers 7519753, 7519128. Grade 12.9 studs. 1 Set quantity=8pcs. thread M12 1.5 40mm length under head. Wheel Stud x 8pcs. Fits: RZR 900 2015-2024 & RZR 4 900, RZR 1000 S 2016-2024, RZR 1000 S 4 2019-2021, RZR 1000 S Trail 2021-2024 front rear wheel studs;.