{"product_id":"2-5-tfsi-ea855-sport-valve-springs-set-bar-tek®","title":"2.5 TFSI EA855 Sport Valve Springs Set BAR-TEK®","description":"\u003cp data-start=\"0\" data-end=\"54\"\u003e\u003cstrong data-start=\"0\" data-end=\"54\"\u003eBAR-TEK® 2.5 TFSI EA855 Sport Valve Spring Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"56\" data-end=\"226\"\u003eOriginal BAR-TEK® Sport valve spring kit for 2.5L TFSI engines, as found in \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAudi TT RS\u003c\/span\u003e\u003c\/span\u003e and \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eAudi RS3\u003c\/span\u003e\u003c\/span\u003e models.\u003c\/p\u003e\n\u003cp data-start=\"228\" data-end=\"525\"\u003eA high-quality solution for tuning enthusiasts: The BAR-TEK® Sport valve spring kit is made from hardened special steel and equipped with titanium spring retainers. The kit is suitable for all 2.5L TFSI engines (EA855 \/ EA855 evo) used in models such as Audi RS3 and TT RS.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1vsbrdv\" data-start=\"532\" data-end=\"562\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"536\" data-end=\"562\"\u003ePerformance and Benefits\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"564\" data-end=\"812\"\u003eThese valve springs feature an optimized spring rate, which improves engine response and reaction time. The titanium spring retainers lighten the valvetrain, allowing for higher boost pressure and increased RPMs without reliability issues.\u003c\/p\u003e\n\u003cul data-start=\"814\" data-end=\"1036\"\u003e\n\u003cli data-section-id=\"10l1jle\" data-start=\"814\" data-end=\"853\"\u003eImproved and faster engine response\u003c\/li\u003e\n\u003cli data-section-id=\"1g7djg0\" data-start=\"854\" data-end=\"894\"\u003eAllows for higher RPMs\u003c\/li\u003e\n\u003cli data-section-id=\"16ehx31\" data-start=\"895\" data-end=\"951\"\u003eLighter valvetrain due to titanium retainers\u003c\/li\u003e\n\u003cli data-section-id=\"tkth25\" data-start=\"952\" data-end=\"996\"\u003eExcellent stability at high RPMs\u003c\/li\u003e\n\u003cli data-section-id=\"qmg4mf\" data-start=\"997\" data-end=\"1036\"\u003eSuitable for higher boost pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"oseg85\" data-start=\"1043\" data-end=\"1092\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1047\" data-end=\"1092\"\u003eWhen to upgrade to sport valve springs?\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1094\" data-end=\"1258\"\u003eWhen increasing engine boost pressure or installing tuning camshafts (e.g., SCHRICK), the original valve springs are often no longer sufficient. This can result in:\u003c\/p\u003e\n\u003cul data-start=\"1260\" data-end=\"1357\"\u003e\n\u003cli data-section-id=\"10kwxna\" data-start=\"1260\" data-end=\"1303\"\u003eInadequate valve closure\u003c\/li\u003e\n\u003cli data-section-id=\"1s2doi0\" data-start=\"1304\" data-end=\"1329\"\u003eSpring breakage\u003c\/li\u003e\n\u003cli data-section-id=\"gzbwa5\" data-start=\"1330\" data-end=\"1357\"\u003eSevere engine damage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1359\" data-end=\"1472\"\u003eBAR-TEK® sport valve springs eliminate these risks and ensure reliable operation in tuned engines.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1errh2a\" data-start=\"1479\" data-end=\"1508\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1483\" data-end=\"1508\"\u003eDesign and Technology\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1510\" data-end=\"1632\"\u003eThe valve springs are made from heat-treated special steel, which provides high strength and durability. Additionally:\u003c\/p\u003e\n\u003cul data-start=\"1634\" data-end=\"1861\"\u003e\n\u003cli data-section-id=\"1eiixsp\" data-start=\"1634\" data-end=\"1679\"\u003eSpecial coating increases wear resistance\u003c\/li\u003e\n\u003cli data-section-id=\"ksbt26\" data-start=\"1680\" data-end=\"1734\"\u003eGreater material thickness compared to standard springs\u003c\/li\u003e\n\u003cli data-section-id=\"i4wqxv\" data-start=\"1735\" data-end=\"1796\"\u003e\n\u003cstrong data-start=\"1737\" data-end=\"1753\"\u003eOval shape\u003c\/strong\u003e allows for greater valve lift\u003c\/li\u003e\n\u003cli data-section-id=\"x8omdd\" data-start=\"1797\" data-end=\"1861\"\u003e\n\u003cstrong data-start=\"1799\" data-end=\"1823\"\u003eConical design\u003c\/strong\u003e reduces mass and improves operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1863\" data-end=\"2052\"\u003eThe optimized design prevents spring coil bind and ensures correct pre-tensioning in all situations. The result is a smoother-running engine and controlled boost pressure.\u003c\/p\u003e\n\u003ch3 data-section-id=\"gk4jgp\" data-start=\"2059\" data-end=\"2082\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2063\" data-end=\"2082\"\u003ePackage Contents\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2084\" data-end=\"2184\"\u003e\n\u003cli data-section-id=\"q2dok2\" data-start=\"2084\" data-end=\"2128\"\u003e20 pcs valve springs (hardened steel)\u003c\/li\u003e\n\u003cli data-section-id=\"1aebu4m\" data-start=\"2129\" data-end=\"2184\"\u003e20 pcs valve spring retainers (titanium)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1cd3x0e\" data-start=\"2191\" data-end=\"2214\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2195\" data-end=\"2214\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2216\" data-end=\"2371\"\u003e\n\u003cli data-section-id=\"qsgp8o\" data-start=\"2216\" data-end=\"2240\"\u003eL0 = 47.00 ± 0.30 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1qdy4sy\" data-start=\"2241\" data-end=\"2266\"\u003eF1 = 307 N @ 40.00 mm\u003c\/li\u003e\n\u003cli data-section-id=\"a7hn7d\" data-start=\"2267\" data-end=\"2292\"\u003eF2 = 748 N @ 30.00 mm\u003c\/li\u003e\n\u003cli data-section-id=\"1pzafcs\" data-start=\"2293\" data-end=\"2343\"\u003eSpring rate: 44.1 N\/mm (441 N @ 10 mm compression)\u003c\/li\u003e\n\u003cli data-section-id=\"1d29i4t\" data-start=\"2344\" data-end=\"2371\"\u003eLc = 23.00 mm (maximum)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"52\" data-end=\"76\"\u003e\u003cstrong data-start=\"52\" data-end=\"74\"\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"52\" data-end=\"76\"\u003e\u003cstrong data-start=\"52\" data-end=\"74\"\u003eAudi A3 \/ S3 \/ RS3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"77\" data-end=\"865\"\u003e\n\u003cli data-section-id=\"1atvdwq\" data-start=\"77\" data-end=\"150\"\u003e8P, 8PA | model year 2003–2013\u003cbr data-start=\"102\" data-end=\"105\"\u003e2.5 TFSI (EA855)\u003cbr data-start=\"123\" data-end=\"126\"\u003eCEPA | 340 hp (250 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"1wtjuif\" data-start=\"152\" data-end=\"224\"\u003e8V | model year 2012–2020\u003cbr data-start=\"172\" data-end=\"175\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"197\" data-end=\"200\"\u003eDAZA | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"9ssbkl\" data-start=\"226\" data-end=\"298\"\u003e8V | model year 2012–2020\u003cbr data-start=\"246\" data-end=\"249\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"271\" data-end=\"274\"\u003eDNWA | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"p81gx1\" data-start=\"300\" data-end=\"368\"\u003e8V | model year 2012–2020\u003cbr data-start=\"320\" data-end=\"323\"\u003e2.5 TFSI (EA855)\u003cbr data-start=\"341\" data-end=\"344\"\u003eCZGB | 367 hp (270 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"1iinsix\" data-start=\"370\" data-end=\"439\"\u003e8Y | model year 2020–\u0026gt;\u003cbr data-start=\"387\" data-end=\"390\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"412\" data-end=\"415\"\u003eCZGB | 367 hp (270 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"sz75nr\" data-start=\"441\" data-end=\"510\"\u003e8Y | model year 2020–\u0026gt;\u003cbr data-start=\"458\" data-end=\"461\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"483\" data-end=\"486\"\u003eDAZA | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"u4cj45\" data-start=\"512\" data-end=\"581\"\u003e8Y | model year 2020–\u0026gt;\u003cbr data-start=\"529\" data-end=\"532\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"554\" data-end=\"557\"\u003eDNWA | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"1godutm\" data-start=\"583\" data-end=\"652\"\u003e8Y | model year 2020–\u0026gt;\u003cbr data-start=\"600\" data-end=\"603\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"625\" data-end=\"628\"\u003eDNWB | 390 hp (287 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"1toknrb\" data-start=\"654\" data-end=\"723\"\u003e8Y | model year 2020–\u0026gt;\u003cbr data-start=\"671\" data-end=\"674\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"696\" data-end=\"699\"\u003eDNWC | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"uy2tl6\" data-start=\"725\" data-end=\"794\"\u003e8Y | model year 2020–\u0026gt;\u003cbr data-start=\"742\" data-end=\"745\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"767\" data-end=\"770\"\u003eDNWD | 407 hp (299 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"1r7oar3\" data-start=\"796\" data-end=\"865\"\u003e8Y | model year 2020–\u0026gt;\u003cbr data-start=\"813\" data-end=\"816\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"838\" data-end=\"841\"\u003eDXHB | 400 hp (294 kW)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"872\" data-end=\"893\"\u003e\u003cstrong data-start=\"872\" data-end=\"891\"\u003eAudi Q3 \/ RS Q3\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"894\" data-end=\"1280\"\u003e\n\u003cli data-section-id=\"12iwpai\" data-start=\"894\" data-end=\"981\"\u003e2nd generation (F3) | model year 2018–2025\u003cbr data-start=\"929\" data-end=\"932\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"954\" data-end=\"957\"\u003eDAZA | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"16oqw4o\" data-start=\"983\" data-end=\"1070\"\u003e\n\u003col start=\"2\" data-start=\"985\" data-end=\"1070\"\u003e\n\u003cli data-section-id=\"upvdgl\" data-start=\"985\" data-end=\"1070\"\u003end generation (F3) | model year 2018–2025\u003cbr data-start=\"1018\" data-end=\"1021\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"1043\" data-end=\"1046\"\u003eDNWA | 400 hp (294 kW)\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ki33ga\" data-start=\"1072\" data-end=\"1140\"\u003e8U | model year 2011–2018\u003cbr data-start=\"1092\" data-end=\"1095\"\u003e2.5 TFSI (EA855)\u003cbr data-start=\"1113\" data-end=\"1116\"\u003eCTSA | 310 hp (228 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"109glpm\" data-start=\"1142\" data-end=\"1210\"\u003e8U | model year 2011–2018\u003cbr data-start=\"1162\" data-end=\"1165\"\u003e2.5 TFSI (EA855)\u003cbr data-start=\"1183\" data-end=\"1186\"\u003eCZGA | 340 hp (250 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"162a60e\" data-start=\"1212\" data-end=\"1280\"\u003e8U | model year 2011–2018\u003cbr data-start=\"1232\" data-end=\"1235\"\u003e2.5 TFSI (EA855)\u003cbr data-start=\"1253\" data-end=\"1256\"\u003eCZGB | 367 hp (270 kW)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1287\" data-end=\"1314\"\u003e\u003cstrong data-start=\"1287\" data-end=\"1312\"\u003eAudi TT \/ TTS \/ TT RS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1315\" data-end=\"1833\"\u003e\n\u003cli data-section-id=\"1rzlsaf\" data-start=\"1315\" data-end=\"1383\"\u003e8J | model year 2006–2014\u003cbr data-start=\"1335\" data-end=\"1338\"\u003e2.5 TFSI (EA855)\u003cbr data-start=\"1356\" data-end=\"1359\"\u003eCEPA | 340 hp (250 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"178u1c\" data-start=\"1385\" data-end=\"1453\"\u003e8J | model year 2006–2014\u003cbr data-start=\"1405\" data-end=\"1408\"\u003e2.5 TFSI (EA855)\u003cbr data-start=\"1426\" data-end=\"1429\"\u003eCEPB | 360 hp (265 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"11my1rv\" data-start=\"1455\" data-end=\"1529\"\u003eFV \/ 8S | model year 2014–\u0026gt;\u003cbr data-start=\"1477\" data-end=\"1480\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"1502\" data-end=\"1505\"\u003eCZGB | 367 hp (270 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"qel9o5\" data-start=\"1531\" data-end=\"1605\"\u003eFV \/ 8S | model year 2014–\u0026gt;\u003cbr data-start=\"1553\" data-end=\"1556\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"1578\" data-end=\"1581\"\u003eDAZA | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"1jfjr13\" data-start=\"1607\" data-end=\"1681\"\u003eFV \/ 8S | model year 2014–\u0026gt;\u003cbr data-start=\"1629\" data-end=\"1632\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"1654\" data-end=\"1657\"\u003eDNWA | 400 hp (294 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"hjc3yw\" data-start=\"1683\" data-end=\"1757\"\u003eFV \/ 8S | model year 2014–\u0026gt;\u003cbr data-start=\"1705\" data-end=\"1708\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"1730\" data-end=\"1733\"\u003eDNWB | 390 hp (287 kW)\u003c\/li\u003e\n\u003cli data-section-id=\"gxrn6d\" data-start=\"1759\" data-end=\"1833\"\u003eFV \/ 8S | model year 2014–\u0026gt;\u003cbr data-start=\"1781\" data-end=\"1784\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"1806\" data-end=\"1809\"\u003eDNWC | 400 hp (294 kW)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1840\" data-end=\"1883\"\u003e\u003cstrong data-start=\"1840\" data-end=\"1881\"\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eCupra Formentor\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1884\" data-end=\"1957\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"7h8rkf\" data-start=\"1884\" data-end=\"1957\" data-is-last-node=\"\"\u003eI (VZ) | model year 2020–\u0026gt;\u003cbr data-start=\"1905\" data-end=\"1908\"\u003e2.5 TFSI (EA855 evo)\u003cbr data-start=\"1930\" data-end=\"1933\"\u003eDNWB | 390 hp (287 kW)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"QT Parts","offers":[{"title":"Default Title","offer_id":52833467892059,"sku":"21rs337","price":641.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9937\/5126\/files\/ventilfeder-366a8a.png?v=1776452685","url":"https:\/\/www.qtparts.fi\/en-gb\/products\/2-5-tfsi-ea855-sport-valve-springs-set-bar-tek%c2%ae","provider":"QT Parts","version":"1.0","type":"link"}