4 Stainless Steel Sleeved Calipers. O-Ring style Pistons which are less prone to leakage. Brand new Master Cylinder, a complete set of premium brake pads, 4 rubber brake hoses, Copper inlet washers, Pad pins, 2 rear metal caliper lines, Custom Build your All The Way Brake Kit with these upgrades Above & Save Big Time! NOTE- you must be purchasing an All The Way Brake Kit to be eligible for the prices below. Refundable Core Charge Required You must add a Caliper Refundable Core charge of $220.00. ($55.00 each caliper in the 4 caliper set) in the Product Option Section Below. Confirm Core Charge below. If a Trailing Arm is purchased, you must add a Refundable Core charge $ 350.00 for each arm purchased. Custom Build your All The Way Brake Kit with these upgrades below & Save Big Time! NOTE- you must be purchasing an All The Way Brake Kit to be eligible for the prices below. Core Charge Maybe Required