Hellwig
Hellwig 2512 - LP-25 Progressive Rate Load Leveling Helper Spring GM 11-18 2500/3500 Pickup/Cab/Chassis
Hellwig 2512 - LP-25 Progressive Rate Load Leveling Helper Spring GM 11-18 2500/3500 Pickup/Cab/ChassisThe Hellwig LP-25 Helper Spring set the standard for all other aftermarket helper springs...