Pacbrake HP10001 Heavy Duty Sleeve Style Replacement Air Spring 1 Piece Aluminum End Caps CORE-1500 Heavy duty valve springs are

Heavy duty valve springs are Cummins OEM 3916691 white strip springs

Compatible With High RPM P7100 Injection Pump

All of these issues lead to premature failure of internal transmission components

Increase line pressure in your 2007

Replaces a Common Failure Point

Pacbrake HP10001 Heavy Duty Sleeve Style Replacement Air Spring 1 Piece Aluminum End Caps CORE-1500 Heavy duty valve springs areHeavy Duty Sleeve Style Replacement Air Spring. Use Pacbrake's heavy duty air bags to eliminate your vehicle's sag, sway and bottoming out. Distribute weight evenly to your tires, supporting any load without overtaxing your suspension. The number one solution to level your truck's stance while providing added support for an overall smooth and safe ride.