{"product_id":"wilwood-300-17297-caliper-piston-spring-knock-back-for-1-to-1-5-in-pistons","title":"Wilwood 300-17297 Caliper Piston Spring Knock-Back for 1 to 1.5 in Pistons","description":"Caliper Piston Spring Knock Back\n\u003cp\u003eThe Wilwood 300-17297 Caliper Piston Spring Knock-Back helps maintain proper piston positioning in compatible brake calipers. Designed for Wilwood calipers using 1 to 1.5 inch diameter pistons, this replacement spring supports consistent piston control and helps reduce excessive pad retraction during braking system operation.\u003cbr\u003eConstructed from stainless steel, the spring provides reliable resistance to corrosion and is suitable for demanding automotive and motorsport brake applications. It features a 3 lb\/in spring rate, a 0.370-inch small outside diameter, a 0.720-inch large-end outside diameter, and a 1-inch overall length for a precise fit in the intended caliper piston assembly.\u003cbr\u003eThis Wilwood caliper piston spring is sold individually and is intended for direct replacement or brake system service. Verify caliper compatibility and piston size before installation to ensure proper fit and function. The Wilwood 300-17297 is a practical choice for maintaining the performance and serviceability of compatible high-performance braking systems.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eApplication: Designed for Wilwood calipers with 1 to 1.5 inch diameter pistons\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eComponent Type: Caliper piston spring for knock-back control\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaterial: Stainless steel construction\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpring Rate: 3 lb\/in\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSmall Outside Diameter: 0.370 inch\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLarge-End Outside Diameter: 0.720 inch\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLength: 1 inch\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eQuantity: Sold individually\u003c\/li\u003e\u003c\/ul\u003e","brand":"WILWOOD","offers":[{"title":"Default Title","offer_id":67644120137980,"sku":"WIL300-17297","price":3.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/8797\/5420\/files\/WIL300-17297_0c1eaf54-0162-4ee2-9784-05bd87b4095c.jpg?v=1791090026","url":"https:\/\/ozkonickustomz.com\/products\/wilwood-300-17297-caliper-piston-spring-knock-back-for-1-to-1-5-in-pistons","provider":"Ozkonic Kustomz LLC","version":"1.0","type":"link"}