This Wilwood aluminum drilled two‑piece rotor suits Sprint/Midget front use with a 10.20 x .310 size and a 42‑tooth 2.75in offset. Offered as a drilled rotor, it lists the specific diameter, thickness and tooth count to match specialty hub and starter ring requirements. The specification supports selection for Sprint/Midget racing components where these measurements are required.
Wilwood Rotor-Alum Sprint/Midget Fr.-Drilled 10.20 x .310 - 42 Tooth 2.75in.