auto brake system 4 pot caliper

{"cid":"91211692","title":"Auto Modified Rear 4 Pot Calipers Car 18Z Monoblock Forged Caliper Drilled Discs","imgUrl":"https:\/\/img.ismap.com\/nimg\/6a\/71\/516fbf718baa6289a5cb8629889d-200x200-1.jpg","attrs":{"Price":"USD,set","Brand Name":"Velocette","Model Number":"MP 4","Minimum Order Quantity":"10 sets","Delivery Time":"14 working days","Certification":"ISO","Place of Origin":"China","Payment Terms":"MoneyGram, Western Union, T\/T","Supply Ability":"1000+pair+month","Packaging Details":"Box 45*45*45","Drilled Discs":"Allow more heat to escape","Ventilated Discs":"Increase Bite with Pad","Pistons":"4 Pot","Packing Size":"Paper Box 45*45*45","Disc Size":"345MM 370MM"}}

{"cid":"91195988","title":"BBK Front 6 Pot Caliper 378x32mm Rotor And Rear Upgrade 355mm Rotor Big Brake Kit Auto Brake System For Hyper GT 19 Inch","imgUrl":"https:\/\/img.ismap.com\/nimg\/1e\/db\/434c45e203ce7a540e085bbd79ab-200x200-1.jpg","attrs":{"Brand Name":"TEI Racing","Model Number":"P60NS, rear upgrade 355mm rotor","Minimum Order Quantity":"1 set","Delivery Time":"5~8 days","Place of Origin":"China, Guangzhou","Payment Terms":"T\/T, Western Union, MoneyGram,Paypel","Supply Ability":"1000\/month","Packaging Details":"42*42*42cm Brand Box","Application":"Hyper","Colour":"Yellow, Red, Green, Silver, Blue, Black","Wheel Size":"18inch, 19inch","Disc Size":"355x32mm, 378x32mm","Caliper Piston":"6 Pistons","Material":"6068-T6 Aluminum Alloy","Single Caliper Weight":"3.96kg"}}