{"product_id":"wilwood-130-2659","title":"Wilwood GM Caliper Square Piston Seal Four-Pack, 2.380-Inch ID and 0.134-Inch Section","description":"\u003cp\u003eThis GM service pack contains four square-section piston seals with a 2.380-inch listed ID. Their 0.134-inch thickness and square profile distinguish them from the round O-rings offered under a similar diameter designation. The matching caliper service reference is essential to selecting the correct ring. 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: 130-2659\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: 2.380 inches\u003c\/li\u003e\n\u003cli\u003eListed seal thickness: 0.134 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\u003eCheck the installed caliper and its groove shape before ordering the four-pack. Do not substitute the round 2.380-inch kit using diameter alone. Inspect piston and bore surfaces and identify any separate boots, slide components or other seals needed from the full caliper parts list.\u003c\/p\u003e\u003cp\u003ePMB Performance brings over 20 years of brake and parts experience to selection questions. Send the existing caliper reference and brake-package details for help checking compatibility.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764690256050,"sku":"130-2659","price":14.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/130-2659-xl.jpg?v=1792514675","url":"https:\/\/pmbperformance.com\/products\/wilwood-130-2659","provider":"PMB Performance","version":"1.0","type":"link"}