aFe Power Pro Series AAM 9.5/9.76 Rear Diff Cover Black w/Mach Fins 14-19 GM Silverado/Sierra 1500 - 46-71120B

Pro Series AAM 9.5/9.76 Rear Differential Cover Black w/ Machined Fins GM Silverado/Sierra 1500 14-19 L4-2.7L/V6-4.3L/V8-5.3L/6.2LFits: GM Silverado/Sierra 1500 14-19 L4-2.7L/V6-4.3L/V8-5.3L/6.2L (AAM 9.5/9.76 - 12 Bolt Rear Axle)
When it comes to engineering for power, performance, protection and value, aFe Power is the only choice.