(Used) 2012 Peterbilt 386, TANDEM CUTOFF- Make: Spicer, Model: RSP40, Ratio: 438, Serial Number: C2-1313GA3000000000, Part Number: HN382438, Hub Bolts: 10, Brake Type: Drum, For more information about this item, give us a call. We ship Worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY ELKTON, MD 21921