{"product_id":"wilwood-300-2434","title":"Wilwood Caliper Piston Knockback Spring for 1.62-1.88-Inch Pistons","description":"\u003cp\u003eThis Wilwood tapered spring acts behind a compatible caliper piston to counter piston knockback associated with vibration or mounting deflection. It is specified for conventional stainless steel pistons from 1.62 to 1.88 inches in diameter that have the required updated relief cut. Bill Wood established Wilwood Engineering in 1977. Based in Camarillo, California, the company makes disc-brake systems and components for motorsport, street-performance and specialized uses, including brake calipers and rotors, hydraulic master cylinders, valves, fittings and lines. System requirements determine the appropriate component combination.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 300-2434\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Plain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 1 piston knockback spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.010 lb\u003c\/li\u003e\n\u003cli\u003eSpring end outside diameters: 0.77 \/ 1.22 in\u003c\/li\u003e\n\u003cli\u003eLength: 1.00 in\u003c\/li\u003e\n\u003cli\u003eManufacturer spring-rate listing: 2.63 lb\u003c\/li\u003e\n\u003cli\u003ePiston requirement: updated relief cut\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eCheck the piston construction and relief cut before fitting a spring; early stainless piston versions may lack the required clearance. Match the 1.22-inch maximum spring diameter and 1.00-inch length to the approved caliper configuration.\u003c\/p\u003e\u003ch3\u003eManufacturer Documents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/Hardware\/HardwareProd?itemno=300-2434\" target=\"_blank\" rel=\"noopener\"\u003eWilwood hardware specifications\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eBefore ordering for a modified assembly, send PMB Performance the kit number and relevant component details. Our over 20 years of experience can help you confirm the correct combination.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67700921827506,"sku":"300-2434","price":3.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/300-2434-xl.jpg?v=1792076225","url":"https:\/\/pmbperformance.com\/products\/wilwood-300-2434","provider":"PMB Performance","version":"1.0","type":"link"}