{"product_id":"wilwood-130-4320","title":"Wilwood Caliper Piston Square-Seal Four-Pack, 1.000-Inch Listed ID and 0.099-Inch Section","description":"\u003cp\u003eThe one-inch-ID square-ring pack contains four piston seals for the manufacturer-assigned caliper service arrangements. A 0.099-inch square section and material code 210M identify the ring specification. This is the piston-only pack, distinct from a combination kit that supplies separate dust seals as well. Based in Camarillo, California, Wilwood Engineering was founded by Bill Wood in 1977. The manufacturer produces disc brake systems and components for motorsport, street-performance and specialized applications, with a range covering calipers, brake rotors, master cylinders, valves, fittings and brake lines. Individual components are chosen to suit the complete brake system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 130-4320\u003c\/li\u003e\n\u003cli\u003eService component: Caliper Square Ring Kit\u003c\/li\u003e\n\u003cli\u003eSeal profile: Square-Ring\u003c\/li\u003e\n\u003cli\u003eManufacturer-listed seal inside diameters: 1.000 inches\u003c\/li\u003e\n\u003cli\u003eListed seal thickness: 0.099 inch\u003c\/li\u003e\n\u003cli\u003eManufacturer material code: 210M\u003c\/li\u003e\n\u003cli\u003ePack quantity: 4 Pack\u003c\/li\u003e\n\u003cli\u003eSeal fluid compatibility: DOT 3, DOT 4 and DOT 5 as specified for these seals. Follow the complete caliper and vehicle fluid requirements; do not mix silicone DOT 5 with DOT 3, DOT 4 or DOT 5.1.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eConfirm the exact caliper’s replacement-parts listing and the required groove profile. Wilwood documents this kit in the matching PS-1, Powerlite and DynaPro service tables, but the complete caliper reference remains the selection check. Inspect the remaining rubber parts, pistons and hardware and establish quantity from the actual repair.\u003c\/p\u003e\u003cp\u003eFor help identifying the correct brake component, provide the caliper markings and installation dimensions. PMB Performance has over 20 years of experience with parts and brake-system details.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764691763378,"sku":"130-4320","price":14.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/130-4320-xl.jpg?v=1792514680","url":"https:\/\/pmbperformance.com\/products\/wilwood-130-4320","provider":"PMB Performance","version":"1.0","type":"link"}