{"product_id":"wilwood-130-5101","title":"Wilwood BSL Caliper Square Piston Seal Four-Pack, 1.750\/1.380-Inch Inside Diameters","description":"\u003cp\u003eThe BSL mixed square-ring kit contains four piston seals in the listed 1.750\/1.380-inch ID arrangement. The pressure rings use the 0.099-inch section specified by Wilwood. It is the service pack for a matching caliper configuration, with both size groups needing correct placement during repair. Founded in 1977 by Bill Wood, Wilwood Engineering is based in Camarillo, California. Its disc brake systems and components serve motorsport, street-performance and specialized applications. Calipers, brake rotors, master cylinders, valves, fittings and brake lines are among its products, selected according to the complete brake system’s requirements.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 130-5101\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: 1.750 \/ 1.380 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 full BSL caliper identity and its assigned kit before ordering. Match groove profile and ring thickness in addition to the diameter sequence. Inspect piston surfaces, bores and other sealing locations separately; replacing the four supplied pressure rings is not the same as renewing every caliper component.\u003c\/p\u003e\u003cp\u003ePMB Performance has over 20 years of experience helping customers with brake and parts fitment. Share the installed component identification and relevant measurements when requesting assistance.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764693663922,"sku":"130-5101","price":14.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/130-5101-xl.jpg?v=1792514685","url":"https:\/\/pmbperformance.com\/products\/wilwood-130-5101","provider":"PMB Performance","version":"1.0","type":"link"}