{"product_id":"ferrea-85lbs-dual-valve-spring-single-vw-mk2-16v-1-8l-2-0l-s10115-1","title":"Ferrea 85lbs Dual Valve Spring (SINGLE) - VW Mk2 16V 1.8L \u0026 2.0L","description":"\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003e\u003cspan face=\"Tahoma, Geneva, sans-serif\"\u003e\u003cspan face=\"Tahoma, Geneva, sans-serif\" style=\"font-family: Tahoma, Geneva, sans-serif;\"\u003eFerrea Valve Springs are developed from high strength alloys, including premium grade chrome silicon steel. These springs are manufactured with state-of-the-art equipment. Our springs are heat-treated and stress relieved, which dramatically increases the spring’s life.\u003cbr\u003e\u003cbr\u003eThe design and processes on these dual valve springs are optimized to reduce valvetrain harmonics and provide greater stability on high horsepower applications. We use high grade premium super-clean PAC alloy materials and maintain tight tolerances for those unique aftermarket cylinder heads.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan face=\"Tahoma, Geneva, sans-serif\" style=\"font-family: Tahoma, Geneva, sans-serif;\"\u003eStrict quality control procedures and cycle testing ensures consistency from batch to batch. Ferrea Valve Springs provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today’s aggressive valvetrain combinations.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e- Inner Spring OD 22.75m\u003cbr\u003e- Inner Spring ID 17.1mm\u003cbr\u003e- Outer Spring OD 29.5mm\u003cbr\u003e- Outer Spring ID 22.75m\u003cbr\u003e- Open Pressure 205lbs @ 23.00mm\u003cbr\u003e- Max Lift 14.00mm\u003cbr\u003e- Coil Bind 17.50mm\u003cbr\u003e- Manufacturer Ferrea\u003cbr\u003e- Valve Spring Type Dual\u003cbr\u003e- Seat Pressure 85lbs @ 33.00mm\u003cbr\u003e- Valve Spring Rate 304lbs\/inch\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eThis Spring requires Ferrea Titanium Retainer # E11084 and Ferrea Seat Locator #SL1073 (Discard OEM Spring Seat Locator)\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003eReplaces OEM Part #  078-109-623-A \/ 078109623 A \/ 078 109 623 A \/ 078109623A\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Ferrea","offers":[{"title":"Default Title","offer_id":49346318139585,"sku":"S10115-1","price":32.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0005\/7773\/2663\/files\/FerreaSingleValveSpring_cd701b9c-e35b-4c5d-9c83-21be3ff7c905.jpg?v=1750267002","url":"https:\/\/www.urotuning.com\/products\/ferrea-85lbs-dual-valve-spring-single-vw-mk2-16v-1-8l-2-0l-s10115-1","provider":"UroTuning","version":"1.0","type":"link"}