6 0 2007 Rockwell 20-145 Rear Differential Contact for price Rockwell RS 20-145 Rear Differential; 4.63 RAtio; Complete 20145. Call or message with any questions or visit our website. ConditionUsedRear End4.63 ratioStock Number1484 MLS Number10183474CategoryDifferentials, Rear Last Updated12/12/2022 LocationSpringville, PA, US Sold BySummit Core Supply (844) 329-___ SHOWNUMBERCall Seller Email Seller Save More Info