Steel, BGRA/BVGA-5/BVGA-6 /BVGA-7 4th Clu (.062")(20T) (3.675"ID) 2005-Up (OE Steels Have A Notch On Each Tooth, These Are Square and Will Retro Fit)(Also Fits BGRA/BVGA-5/ BVGA-6/BVGA-7 5th Clutch)(Also Fits BAYA 2006-07)