Wehrli 20-24 GM Duramax - 19-23 Ram HD Rear Differential Cover - Gloss Black M3 Spectre's 4 inch outside diameter

Spectre's 4 inch outside diameter - 18 inch long mass air sensor tube is designed for custom air intake systems utilizing 4 inch tubing and require the use of a blade-style mass air flow sensor

Use Koyorad SK-C13 or equivalent mini style cap

Sport Cup Kits have all the features of the Touring Cup Kits

It is imperative that you check the fuel pump sizing for your vehicle before purchasing an AEM High Flow Fuel Pump

BMR's suspensions SP112 lowering springs are available in red powdercoat for long-lasting good looks

Wehrli 20-24 GM Duramax - 19-23 Ram HD Rear Differential Cover - Gloss Black M3 Spectre's 4 inch outside diameterFabricated Aluminum Differential Cover for Rear Axle on 2020 2025 GM Duramax 2019 2024 Ram Cummins Trucks.