{"product_id":"high-performance-porsche-9mm-valve-springs-and-ti-retainer-kit-911-930-964-engines","title":"High Performance Porsche 9mm Valve Springs and Ti-retainer kit 911\/930\/964 engines","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eHigh Performance Porsche 9mm Valve Springs and Ti-retainer kit 911\/930\/964 engines\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e9mm Kit includes Aasco HP109 High Performance Valve springs, HP10T9 Titanium spring retainers and HPSS Spring Seats. Our Valve Springs are designed and manufactured to specifically fit the envelope of a Porsche application not a spring from another use. It operates a higher natural frequency than the original spring for racing and at the very least minimizes damage from over rev in track day situations. 911, 930, and 964.\u003c\/span\u003e\u003c\/p\u003e","brand":"Dougherty Racing","offers":[{"title":"Default Title","offer_id":47279387574450,"sku":"DRC-VS-KIT","price":795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/HP109-HP10T9-HPSS-KIT_2_600x600_crop_center_bdaceb06-4cc7-447f-8165-f6cf9e3f1e30.png?v=1775683064","url":"https:\/\/pmbperformance.com\/products\/high-performance-porsche-9mm-valve-springs-and-ti-retainer-kit-911-930-964-engines","provider":"PMB Performance","version":"1.0","type":"link"}