{"product_id":"034-motorsport-supertech-valve-spring-titanium-retainer-set-audi-ea837-3-0t-ea839-2-9t-3-0t-engines","title":"034 Motorsport Supertech Valve Spring \u0026 Titanium Retainer Set, Audi EA837 3.0T \u0026 EA839 2.9T\/3.0T Engines","description":"\u003cbr\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Supertech Performance Valve Spring \u0026amp; Retainer Set is designed for those looking to improve the powerband of their 3.0T Supercharged EA837 or 2.9T\/3.0T Turbocharged EA839 engine past 7,200 - 7,600 RPM, safely. This kit takes a two pronged approach by increasing the spring rates meanwhile reducing the mass of the retainer, by using titanium. The use of titanium provides an adequate fatigue life to be acceptable for all but the highest mileage street use. In addition, the retainer allows a longer spring to further prevent coil bind and allow camshafts with higher lift than factory.\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003eThese will allow usage up to 8,000 RPM although we have used them for occasional use to 8,500 RPM on hydraulic lifters. More RPM is possible by converting to solid lifter buckets as there is plenty of spring rate, upgraded rods should be considered when revving over 8000 RPM as well.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eFEATURES:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePerformance Valve Springs Made with Premium Superclean Chrome Silicon Vanadium Steel Alloy for Higher Performance and Durability\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eIncreased Spring Rate to Stretch the Powerband of the 3.0T\/2.9T Engine Out Past 7,600 RPM, Safely.\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cstrong data-mce-fragment=\"1\"\u003eNOTE\u003c\/strong\u003e: Above 7600RPM, Factory Rods Should Be Updated Unless Specified by the Tuner to be OK.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003e6AL4V Grade Titanium Retainers for Reduced Mass, Helping to Prevent Valve Float\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eAllows up to 8,000 RPM (Occasional Use to 8,500 RPM on Hydraulic Lifters)\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMore RPM is Possible by Converting to Solid Lifter Buckets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eComplete Set of 24 Springs and Retainers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eSPRING DATA:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSeat Pressure - 73lbs @ 38.60mm (Intake), 85lbs @ 37.20mm (Exhaust)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOpen (Lift) Pressure - 178lbs @ 10mm (Intake), 190lbs @ 10mm (Exhaust)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMax lift - 12.50mm (Intake), 11.00mm (Exhaust)\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSpring Coil Bind - 24.90mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRate - 10.50lbs\/mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSpring Outer Diameter - 24.00mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSpring Inner Diameter - 16.50mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eWHAT’S INCLUDED:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eSingle Springs - 24pcs\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTitanium Retainers - 24pcs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"034 Motorsport","offers":[{"title":"Default Title","offer_id":43869396861090,"sku":"034-201-8022","price":1192.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0527\/9953\/7314\/products\/supertech-valve-spring-and-titan_1.jpg?v=1700675015","url":"https:\/\/broxtuning.ca\/products\/034-motorsport-supertech-valve-spring-titanium-retainer-set-audi-ea837-3-0t-ea839-2-9t-3-0t-engines","provider":"Brox Tuning","version":"1.0","type":"link"}