{"product_id":"acl-main-bearing-set-std-subaru-ej-engines-5-thrust-oversize-5m8309hos5-std-acl5m8309hos5-std","title":"ACL Main Bearing Set STD – Subaru EJ Engines (#5 Thrust, Oversize) – 5M8309HOS5-STD","description":"\u003cp data-end=\"685\" data-start=\"206\"\u003eThe \u003cstrong data-end=\"270\" data-start=\"228\"\u003eACL Race Series Main Bearing Set (STD)\u003c\/strong\u003e is engineered for Subaru EJ-series engines with thrust located in the #5 position. Suited for housings machined to +.005\" oversize, this set provides superior reliability in high-performance and high-RPM conditions. With ACL’s proven trimetal construction, these bearings deliver excellent fatigue resistance, improved heat transfer, and consistent oil film stability—ideal for both street and motorsport builds.\u003c\/p\u003e\n\u003cp data-end=\"685\" data-start=\"206\"\u003e \u003c\/p\u003e\n\u003cp data-end=\"710\" data-start=\"692\"\u003e\u003cstrong data-end=\"708\" data-start=\"692\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1129\" data-start=\"711\"\u003e\n\u003cli data-end=\"751\" data-start=\"711\"\u003e\n\u003cp data-end=\"751\" data-start=\"713\"\u003eStandard (STD) size main bearing set\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"824\" data-start=\"752\"\u003e\n\u003cp data-end=\"824\" data-start=\"754\"\u003eDesigned for Subaru EJ-series engines with thrust in the #5 position\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"859\" data-start=\"825\"\u003e\n\u003cp data-end=\"859\" data-start=\"827\"\u003eSuits housings +.005\" oversize\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"943\" data-start=\"860\"\u003e\n\u003cp data-end=\"943\" data-start=\"862\"\u003eTrimetal construction with strengthened overlay for enhanced fatigue resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"995\" data-start=\"944\"\u003e\n\u003cp data-end=\"995\" data-start=\"946\"\u003eTight wall tolerances for consistent clearances\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1059\" data-start=\"996\"\u003e\n\u003cp data-end=\"1059\" data-start=\"998\"\u003eOptimized for high-RPM performance and high load durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1129\" data-start=\"1060\"\u003e\n\u003cp data-end=\"1129\" data-start=\"1062\"\u003eEnlarged ID chamfers to accommodate large crankshaft fillet radii\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-start=\"1136\" data-end=\"1166\"\u003e\u003cstrong data-start=\"1136\" data-end=\"1164\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1167\" data-end=\"1513\"\u003e\n\u003cli data-start=\"1167\" data-end=\"1201\"\u003e\n\u003cp data-start=\"1169\" data-end=\"1201\"\u003e\u003cstrong data-start=\"1169\" data-end=\"1189\"\u003eSizes Available:\u003c\/strong\u003e STD, .025\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1202\" data-end=\"1255\"\u003e\n\u003cp data-start=\"1204\" data-end=\"1255\"\u003e\u003cstrong data-start=\"1204\" data-end=\"1234\"\u003eTunnel (housing) diameter:\u003c\/strong\u003e 64.127 – 64.147 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1256\" data-end=\"1298\"\u003e\n\u003cp data-start=\"1258\" data-end=\"1298\"\u003e\u003cstrong data-start=\"1258\" data-end=\"1277\"\u003eShaft diameter:\u003c\/strong\u003e 59.984 – 60.000 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1299\" data-end=\"1335\"\u003e\n\u003cp data-start=\"1301\" data-end=\"1335\"\u003e\u003cstrong data-start=\"1301\" data-end=\"1324\"\u003eMax Wall Thickness:\u003c\/strong\u003e 2.069 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1336\" data-end=\"1361\"\u003e\n\u003cp data-start=\"1338\" data-end=\"1361\"\u003e\u003cstrong data-start=\"1338\" data-end=\"1353\"\u003eMax Length:\u003c\/strong\u003e 19 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1362\" data-end=\"1397\"\u003e\n\u003cp data-start=\"1364\" data-end=\"1397\"\u003e\u003cstrong data-start=\"1364\" data-end=\"1378\"\u003eHalf Type:\u003c\/strong\u003e Identical halves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1398\" data-end=\"1489\"\u003e\n\u003cp data-start=\"1400\" data-end=\"1489\"\u003e\u003cstrong data-start=\"1400\" data-end=\"1409\"\u003eNote:\u003c\/strong\u003e Designed for engines with thrust in the #5 position, housings +.005\" oversize\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1490\" data-end=\"1513\"\u003e\n\u003cp data-start=\"1492\" data-end=\"1513\"\u003e\u003cstrong data-start=\"1492\" data-end=\"1503\"\u003eWeight:\u003c\/strong\u003e 0.33 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp data-start=\"1520\" data-end=\"1647\"\u003e\u003cstrong data-start=\"1520\" data-end=\"1546\"\u003eFitment \/ Applications\u003c\/strong\u003e\u003cbr data-start=\"1546\" data-end=\"1549\"\u003eThis bearing set fits a wide range of Subaru EJ-series engines across various models, including:\u003c\/p\u003e\n\u003cul data-start=\"1649\" data-end=\"2076\"\u003e\n\u003cli data-start=\"1649\" data-end=\"1796\"\u003e\n\u003cp data-start=\"1651\" data-end=\"1796\"\u003e\u003cstrong data-start=\"1651\" data-end=\"1681\"\u003eSubaru Impreza \/ WRX \/ STI\u003c\/strong\u003e (GC, GD, GE, GF, GG, GR, GV, GJ, GP, VA) – EJ18, EJ20, EJ22, EJ25 engines including WRX, STI, and turbo variants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1797\" data-end=\"1935\"\u003e\n\u003cp data-start=\"1799\" data-end=\"1935\"\u003e\u003cstrong data-start=\"1799\" data-end=\"1833\"\u003eSubaru Legacy \/ Legacy Outback\u003c\/strong\u003e (BC, BD, BE, BG, BH, BL, BP, BM, BR) – EJ20, EJ22, EJ25 including turbo, twin-turbo, and STI models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1936\" data-end=\"2023\"\u003e\n\u003cp data-start=\"1938\" data-end=\"2023\"\u003e\u003cstrong data-start=\"1938\" data-end=\"1957\"\u003eSubaru Forester\u003c\/strong\u003e (SF, SG, SH) – EJ20, EJ22, EJ25 including turbocharged variants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2024\" data-end=\"2076\"\u003e\n\u003cp data-start=\"2026\" data-end=\"2076\"\u003e\u003cstrong data-start=\"2026\" data-end=\"2059\"\u003eSubaru Baja, Exiga, Saab 9-2X\u003c\/strong\u003e – EJ25 engines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACL","offers":[{"title":"Default Title","offer_id":40953196380328,"sku":"ACL5M8309HOS5-STD","price":114.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0496\/1016\/2344\/files\/acl-5M8309HOS5-STD-01.jpg?v=1758906219","url":"https:\/\/eliteracefab.com\/products\/acl-main-bearing-set-std-subaru-ej-engines-5-thrust-oversize-5m8309hos5-std-acl5m8309hos5-std","provider":"eliteracefab.com","version":"1.0","type":"link"}