{"product_id":"wilwood-caliper-narrow-superlite-4r-red-1-75-1-75in-pistons-1-25in-disc","title":"Wilwood Narrow Superlite 4R Brake Caliper - 1.75\/1.75 in Piston Bores \/ 1.25 in Rotor Thickness \/ Red | 120-12501-RD","description":"\u003cp\u003eThe Wilwood Narrow Superlite 4R Brake Caliper (part number 120-12501-RD) is a hydraulic brake caliper configured for the rotor and mounting dimensions listed below. It uses radial mounting with a listed nominal rotor thickness of 1.25 in.\u003c\/p\u003e\u003cp\u003ePiston sizing, rotor thickness, and mounting geometry determine how this caliper integrates with the brake system. A matching pad shape identifies the pad interface, while compound selection remains a separate operating-temperature decision.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical details\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePiston count: 4.\u003c\/li\u003e\n\u003cli\u003ePiston material: Stainless.\u003c\/li\u003e\n\u003cli\u003eBody material: Forged Aluminium.\u003c\/li\u003e\n\u003cli\u003eFinish: Red Powder Coat.\u003c\/li\u003e\n\u003cli\u003eMounting type: Radial.\u003c\/li\u003e\n\u003cli\u003eMounting side: Universal.\u003c\/li\u003e\n\u003cli\u003eMounting centers: 5.98 in.\u003c\/li\u003e\n\u003cli\u003eListed piston bore sizes: 1.75 \/ 1.75 in.\u003c\/li\u003e\n\u003cli\u003eNominal rotor thickness: 1.25 in.\u003c\/li\u003e\n\u003cli\u003eRotor thickness range: 1.19–1.25 in.\u003c\/li\u003e\n\u003cli\u003eRotor diameter range: 11.75–14.00 in.\u003c\/li\u003e\n\u003cli\u003eBrake pad shape: 7416.\u003c\/li\u003e\n\u003cli\u003eFluid inlet thread: 1\/8-27 NPT.\u003c\/li\u003e\n\u003cli\u003eDust boots: Not fitted.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSelection and installation: Confirm rotor clearance, bracket alignment, wheel clearance, and the hydraulic connection before installation. Check whether pads and installation hardware are supplied with the specific assembly being purchased.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67996854059258,"sku":"WIL120-12501-RD","price":394.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/6352\/7739\/files\/044dd319aa9f9bf36afaa426a7759b2b.jpg?v=1793166768","url":"https:\/\/lgcracing.com\/products\/wilwood-caliper-narrow-superlite-4r-red-1-75-1-75in-pistons-1-25in-disc","provider":"Legacy Racing","version":"1.0","type":"link"}