2019-2022 RAM HD 6.4L/6.7L 11.5 Inch /11.8 Inch -14 Heavy-Duty Cast Aluminum Rear Differential Cover Raw PPE Diesel Chevrolet Express 2500 1999 to 2002 our Heavy Duty Street heads

our Heavy Duty Street heads are rated for use up to 700hp

6L Duramax Forged Aluminum Race Pistons (Custom Order) 403cid 4

The original Vortech nozzle has returned and is better than ever

Boosts cetane up to 7 points

2019-2022 RAM HD 6.4L/6.7L 11.5 Inch /11.8 Inch -14 Heavy-Duty Cast Aluminum Rear Differential Cover Raw PPE Diesel Chevrolet Express 2500 1999 to 2002 our Heavy Duty Street headsSpecially engineered to minimize friction and maximize lubrication. Keep your RAM rear differential running cool and clean with an upgraded cover from PPE. Made from heavy duty cast A356. 0 T6 aluminum for strength and optimum heat dissipation. \nIncreased fluid capacity provides increased thermal stamina. This thick cover is equipped with specially designed internal heat sinks and external cooling fins which increase the pan's surface area helping