{"product_id":"man-26180-manley-performance-valve-spring-and-retainer-kit","title":"Manley Performance Valve Spring and Retainer Kit - Subaru EJ Models (inc. 2002-2014 WRX \/ 2004+ STI)","description":"Manley Performance Valve Spring and Retainer Kit Subaru EJ Models inc. 2002-2014 WRX  2004+ STI\r\n\u003cp\u003eThe Manley Performance Valve Spring and Retainer Kit has been designed to accommodate high-lift cams, and to allow users to surpass OEM rev limitations when power levels have been increased from built motors, larger turbochargers, aggressive cams, or ported heads. Basically if you plan on drag racing, time trials, or any form of spirited driving where the engine lives in the upper- RPM range then upgraded valve springs are a must.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe Manley Performance Valve Springs and Retainers are fabricated from high grade steel and titanium respectfully, and the max net lift is 0.525”\u003c\/p\u003e","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":47773299441764,"sku":"MAN26180","price":324.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0589\/8413\/6804\/files\/0866050d54524caeaa743bea2cacfca4.jpg?v=1769398321","url":"https:\/\/4thto5thautomotive.com\/products\/man-26180-manley-performance-valve-spring-and-retainer-kit","provider":"4thto5thAutomotive","version":"1.0","type":"link"}