aFe POWER 21-22 Ram1500 TRX Hemi V8 6.2L PRO Series Rear Diff Cover Black w/Machined Fins & Gear Oil aFe Sale! from 37799 /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. aFe POWER 21-22 Ram1500 TRX Hemi V8 6.2L PRO Series Rear Diff Cover Black w/Machined Fins & Gear Oil