Pinion shaft: 17-24 M8; 03-17 (NU) Twin Cam A/B (TCB 1 used, TCA 2 used)(S&S cases 2 used). Sprocket shaft: 04-22 (NU) XL Sportster; 08-12 (NU) XR1200 (1 used). 1 2 3 ... 98