{"product_id":"road-race-drag-race-valve-spring-kit","title":"Road Race \/ Drag Race Valve \u0026 Spring Kit","description":"The Modular Motorsports Racing (MMR) 777528 Road Race \/ Drag Race Valve \u0026amp; Spring Kit is a comprehensive valvetrain upgrade for 5.2L GT350 and GT500 cylinder heads. Developed for the rigors of both road racing and drag racing, these components are built for full race duty and high-RPM performance.\n\nThis kit directly replaces the factory hollow stem valves, which are known to be a failure point in extreme performance applications. The included components are designed as a direct fit and plug-and-play solution for all 5.2L GT350 and GT500 cylinder heads.\n\nThe kit includes:\n\n*   (16) Solid steel intake valves (1.51 in)\n*   (16) Solid steel exhaust valves (1.28 in)\n*   (32) Stiffer, unique valve springs from PAC®\n*   (64) Valve spring keepers\/keys\n*   (32) Titanium valve spring retainers\n*   (32) Valve stem seals","brand":"Modular Motorsports Racing (MMR)","offers":[{"title":"Default Title","offer_id":52689280434488,"sku":"777528","price":3717.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687391871.jpg?v=1784904558","url":"https:\/\/store.motormia.co\/products\/road-race-drag-race-valve-spring-kit","provider":"MOTORMIA","version":"1.0","type":"link"}