{"product_id":"performance-valve-springs","title":"Performance Valve Springs","description":"The Cat Cams Valve Springs Set for the Mazda MX-5 NA\/NB (1.6L and 1.8L B6\/BP engines) is engineered to provide enhanced valve control in high-performance applications.\n\nManufactured with precision, the springs feature a consistent wire diameter and solid height, ensuring reliable performance under increased stress. They are compatible with OEM retainers, allowing for straightforward installation without the need for additional components.\n\nFeatures include a rate of 33 N\/mm, a fitted length of 39.5mm, a nominal internal diameter of 18.2mm, and a nominal outside diameter of 25.4mm. The crush height is 22.9 mm. These springs offer approximately a 20% increase on stock spring rate, installing around a 23-4kg\/mm spring rate (~50lb), compared to stock springs' ~20kg\/mm brand new rate.","brand":"Cat Cams","offers":[{"title":"Default Title","offer_id":52687353348408,"sku":"998-147-002","price":153.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/660684353.jpg?v=1784883144","url":"https:\/\/store.motormia.co\/products\/performance-valve-springs","provider":"MOTORMIA","version":"1.0","type":"link"}