{"product_id":"ferrea-17-20-civic-si-l15-alloy-single-valve-springs-21-35-mm-od-14-98-mm-id-set-of-4-s10182","title":"Ferrea [17-20 Civic Si] L15 Alloy Single Valve Springs, 21.35 mm OD, 14.98 mm ID - Set of 4, S10182","description":"Ferrea 17-20 Honda Civic Si L15 21.35mm OD 14.98mm ID Alloy Single Valve Springs - Set of 4\n\u003cp\u003eFerrea S10182 alloy single valve springs are designed for 2017-2020 Honda Civic Si models equipped with the L15 engine. This set includes four replacement valve springs engineered for dependable valvetrain operation in performance-oriented automotive applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFitment: 2017-2020 Honda Civic Si with L15 engine\u003c\/li\u003e\n\u003cli\u003eConstruction: Alloy single valve springs supplied as a set of four\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEach Ferrea S10182 valve spring features a 21.35 mm outside diameter and a 14.98 mm inside diameter for compatibility with the specified L15 cylinder head application. The alloy construction supports consistent spring function and reliable valve control when replacing worn or damaged components. These springs are intended for use as a direct application-specific replacement within the listed vehicle and engine fitment.\u003c\/p\u003e\n\u003cp\u003eVerify engine configuration and cylinder head compatibility before installation. Professional installation is recommended to confirm proper valve spring seating, retainer compatibility, and overall valvetrain setup. Ferrea part number S10182 is supplied as one set of four valve springs.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitment: 2017-2020 Honda Civic Si with L15 engine\u003c\/li\u003e\n\u003cli\u003eConstruction: Alloy single valve spring design\u003c\/li\u003e\n\u003cli\u003eOutside Diameter: 21.35 mm\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 14.98 mm\u003c\/li\u003e\n\u003cli\u003eQuantity: Set of four valve springs\u003c\/li\u003e\n\u003cli\u003eBrand: Ferrea\u003c\/li\u003e\n\u003cli\u003ePart Number: S10182\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nCarb Acknowledgement Required: false\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Unknown\u003cbr\u003e\nPart Type: automotive\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nRegular Stock: false\u003cbr\u003e\nUnits Per Sku: 1","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":47259629748326,"sku":"ferS10182","price":87.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0075\/8703\/7237\/files\/c0e5862a1d26d7275802019028a3a277L.jpg?v=1790189533","url":"https:\/\/jdmuscleusa.com\/products\/ferrea-17-20-civic-si-l15-alloy-single-valve-springs-21-35-mm-od-14-98-mm-id-set-of-4-s10182","provider":"JDMuscle","version":"1.0","type":"link"}