{"product_id":"wilwood-120-14440-bk","title":"Wilwood AERO4 Dust Seal Caliper, Black, 1.12-Inch Bores and 1.98-Sq.-In. Area","description":"\u003cp\u003eChoose this Wilwood AERO4 Dust Seal when the installation calls for 1.12-inch pistons and 1.10-inch rotor width. The black 4-piston body uses a 7.09-inch radial pattern; check its complete geometry before substituting another caliper. Bill Wood founded Wilwood Engineering in 1977. Based in Camarillo, California, Wilwood designs and manufactures disc brake systems and parts for motorsport, street-performance and specialized applications, from calipers and rotors to master cylinders, valves, fittings and brake lines.\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 120-14440-BK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e universal side configuration; Radial; 7.09-inch centers; 0.45-inch mounting holes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount height:\u003c\/strong\u003e 2.09 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor width:\u003c\/strong\u003e 1.10-inch nominal; 1.00–1.10-inch permitted range\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor diameter range:\u003c\/strong\u003e 12.19–15.00 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePad shape:\u003c\/strong\u003e Wilwood type 6617; compound selected separately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston arrangement:\u003c\/strong\u003e 4 pistons; 1.12-inch bores; stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic piston area:\u003c\/strong\u003e 1.98 square inches, as specified by Wilwood\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody and finish:\u003c\/strong\u003e Forged aluminum; Black Powder Coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFluid inlet:\u003c\/strong\u003e 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust boots:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Wilwood AERO4 Dust Seal; one caliper\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eUse the caliper drawing to compare the mounting holes and body envelope with the installed brake assembly. Confirm piston sizes and brake balance before changing to a different bore configuration.\u003c\/p\u003e\u003cp\u003eThis listing covers one caliper. Match the brake pads, rotor, hose and mounting arrangement to the complete brake system.\u003c\/p\u003e\u003cp\u003eAERO4-DS calipers use four stainless pistons with external dust wipers and a 7.09-inch radial mounting pattern. Internal fluid transfer avoids an external crossover tube, leaving rotor centering and wheel clearance to the installation design.\u003c\/p\u003e\u003cp\u003eFor a brake system assembled from individual components, PMB Performance brings over 20 years of experience. Contact us with the rotor, caliper and bracket information so we can help check the combination.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764035551410,"sku":"120-14440-BK","price":668.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Aero4-DS_Radial_Mount_BLK-xl.jpg?v=1792508901","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-14440-bk","provider":"PMB Performance","version":"1.0","type":"link"}