{"product_id":"wilwood-120-7374-rd","title":"Wilwood Red DynaPro Four-Piston Radial Caliper with Dust-Booted 1.25-Inch Pistons","description":"\u003cp\u003eThis red DynaPro is a radial-mount hydraulic caliper with four 1.25-inch aluminum pistons and protective dust boots. It uses the nominal 0.81-inch rotor opening and retains the series’ internal fluid passages. Choose it by bore, rotor width and mounting geometry when repairing or building a matched brake package. Bill Wood founded Wilwood Engineering in 1977; the company is based in Camarillo, California. Wilwood designs and manufactures disc brake systems and components, from calipers and brake rotors to master cylinders, valves, fittings and brake lines, for motorsport, street-performance and specialized applications; selection depends on the complete brake system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 120-7374-RD\u003c\/li\u003e\n\u003cli\u003eCaliper type: Dynapro Radial Mount\u003c\/li\u003e\n\u003cli\u003eConstruction: Forged Aluminium\u003c\/li\u003e\n\u003cli\u003eFinish: Red Powder Coat\u003c\/li\u003e\n\u003cli\u003ePiston bores: 1.25 \/ 1.25 inches\u003c\/li\u003e\n\u003cli\u003ePiston type: Aluminum\u003c\/li\u003e\n\u003cli\u003ePiston count: 4\u003c\/li\u003e\n\u003cli\u003ePublished piston area: 2.46 square inches\u003c\/li\u003e\n\u003cli\u003eDust boots: Yes\u003c\/li\u003e\n\u003cli\u003eNominal rotor width: 0.81 inch\u003c\/li\u003e\n\u003cli\u003eRotor thickness limits: 0.75–0.86 inches\u003c\/li\u003e\n\u003cli\u003eRotor diameter limits: 10.75–12.19 inches\u003c\/li\u003e\n\u003cli\u003eMounting style: Radial\u003c\/li\u003e\n\u003cli\u003eHandedness: Not restricted to one side; correct mounting and bleed orientation required\u003c\/li\u003e\n\u003cli\u003eMounting centers: 5.98 inches\u003c\/li\u003e\n\u003cli\u003eMounting-hole size: 0.39 inch\u003c\/li\u003e\n\u003cli\u003eMount height: 1.61 inch\u003c\/li\u003e\n\u003cli\u003eHydraulic inlet thread: 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003eRequired pad shape: 7816\u003c\/li\u003e\n\u003cli\u003ePublished pad area: 6.36 square inches\u003c\/li\u003e\n\u003cli\u003ePublished pad volume: 3 cubic inches\u003c\/li\u003e\n\u003cli\u003eManufacturer-listed component weight: 4.1 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eCheck the 0.75–0.83-inch rotor thickness limits and the 10.75–12.19-inch diameter envelope against the actual rotor. The mounting bracket must locate the pad at the correct radial height and lateral position. Confirm hydraulic balance and clearance to the wheel barrel, spokes and hose connection.\u003c\/p\u003e\u003cp\u003eWith over 20 years of parts experience, PMB Performance can help compare this component with your existing brake assembly. Include its caliper reference and any conversion-kit information.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764659224754,"sku":"120-7374-RD","price":401.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Dynapro_Radial_Mount_Red-xl.jpg?v=1792514560","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-7374-rd","provider":"PMB Performance","version":"1.0","type":"link"}