4 pot calipers 20in wheel

{"cid":"91211692","title":"BMW X3 6 Pot Calipers","imgUrl":"https:\/\/img.ismap.com\/nimg\/68\/a7\/7bc4935e5529c5290ee08ebe7ae7-200x200-1.jpg","attrs":{"Price":"USD,set","Brand Name":"Velocette","Model Number":"AK 8N","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","Keyword":"Modified brake caliper","Car Model":"Fit For Toyota Honda BMW VW","Pistons":"1 pot","Packing Size":"Paper Box 45*45*45","Disc Size":"330MM 345MM 370MM"}}

{"cid":"91195988","title":"BBK For Infiniti QX50 Big Brake Kit With 405*34mm Rotor 6piston Caliper Front Wheel","imgUrl":"https:\/\/img.ismap.com\/nimg\/32\/c2\/be721f35c8f47014fe2bc471ea8a-200x200-1.jpg","attrs":{"Brand Name":"TEI Racing","Model Number":"S60","Minimum Order Quantity":"1","Delivery Time":"7-15days","Payment Terms":"T\/T, Western Union, MoneyGram,Paypal","Supply Ability":"200 kits per month","Packaging Details":"42*42*42cm Brand Box","Place of Origin":"China","Material":"Aerial 6082 Aluminum Alloy","Piston":"6pistons","Piston Diameter":"38.1mm 31.8mm 28.6mm","Disc Size":"378*32mm 405*34mm","Weight":"46kg for full kit","Color":"Black Red Yellow Green Blue Silver"}}