The Lowrider Hydraulics & Air Ride Suspension Experts Hoppo's Hydraulic Suspension Kits 1 PUMP - FRONT KIT $800.00 1 PUMP - BACK KIT $800.00 2 PUMP - FRONT/BACK KIT $1,400.00 2 PUMP - FRONT/BACK/SIDE/SIDE KIT $1,500.00 2 PUMP - FRONT/BACK/CORNER/CORNER KIT ...