{"title":"Brake \u003e Hardware, Fasteners and Fittings \u003e Disc Brake Caliper Piston Spring","description":"\u003cp\u003eDisc Brake Caliper Piston Spring.\u003c\/p\u003e","products":[{"product_id":"wilwood-300-2434-caliper-piston-spring-77-1-22-odx1-00","title":"Wilwood Caliper Piston Spring, .77\/1.22 ODx1.00 *Discontinued","description":"\u003cp\u003e\u003cstrong\u003ePiston Spring\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCaliper Replacement Parts\u003c\/p\u003e\u003cp\u003eCaliper Piston Knock Back Springs. Used in low brake pedal situations due to piston knock back caused by vibration, mount or spindle flex. Part # 300-2434 (1.22\" diameter) is used with Wilwood's conventional stainless steel pistons from 1.62\" to 1.88\" diameter. Spring use in stainless pistons require a relief cut not present in earlier versions of pistons. 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