{"product_id":"empi-as41-magnesium-alloy-engine-case-stock-vw-type-1-air-cooled-98-0431-b","title":"EMPI AS41 Magnesium Alloy Engine Case — Stock | VW Type 1 Air-Cooled (98-0431-B)","description":"\u003cp\u003eThe case is the foundation every air-cooled build sits on, and EMPI's AS41 magnesium case (98-0431-B) is the all-new, stock-spec replacement for a cracked, line-bored, or worn-out original. Same lightweight AS41 magnesium alloy the factory used on late Type 1 engines, cast fresh — not a used core hoping to survive another rebuild.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAll-new AS41 magnesium alloy casting — the lightest production-spec case material\u003c\/li\u003e\n\u003cli\u003eStock 85.5mm cylinder bore and standard main bearing size — a true stock rebuild foundation\u003c\/li\u003e\n\u003cli\u003eDual-relief oiling, 8mm case-stud threads — universal stock configuration\u003c\/li\u003e\n\u003cli\u003eBrand-new machining throughout: cam tunnel, main saddles, lifter bores\u003c\/li\u003e\n\u003cli\u003eEliminates the risk of building on a fatigued, multiple-time-rebuilt core\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCONFIRMED: VW Type 1 1200–1600cc stock-displacement builds — Beetle, Super Beetle, Karmann Ghia, Type 3, Bus. Accepts stock 85.5mm cylinders and 8mm case studs. NOT CONFIRMED: big-bore 90.5\/92\/94mm builds (those need a case bored for the larger spigots), Type 4 engines.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaterial: AS41 magnesium alloy, new casting\u003c\/li\u003e\n\u003cli\u003eBore: stock 85.5mm | Studs: 8mm | Relief: dual\u003c\/li\u003e\n\u003cli\u003eMain bearing: standard size\u003c\/li\u003e\n\u003cli\u003ePart Number: 98-0431-B | UPC: 707924368109\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: Brazil\u003c\/li\u003e\n\u003cli\u003eShipping weight: 27 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this a new case or a rebuilt core?\u003c\/strong\u003e All-new casting — not a used core.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat bore does it take?\u003c\/strong\u003e Stock 85.5mm cylinders; it is not bored for big-bore barrels.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAluminum or magnesium?\u003c\/strong\u003e AS41 magnesium alloy — lighter than aluminum, the factory late-model material.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat stud size?\u003c\/strong\u003e 8mm case studs, dual relief.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's the part number?\u003c\/strong\u003e EMPI 98-0431-B (UPC 707924368109).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre you an authorized dealer?\u003c\/strong\u003e Yes — Washburn's Metal is an authorized EMPI dealer.\u003c\/p\u003e\u003ch3\u003eProp 65 Warning\u003c\/h3\u003e\u003cp\u003eWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"Product\",\"name\":\"EMPI AS41 Magnesium Alloy Engine Case, Stock (98-0431-B)\",\"sku\":\"98-0431-B\",\"gtin12\":\"707924368109\",\"brand\":{\"@type\":\"Brand\",\"name\":\"EMPI\"},\"offers\":{\"@type\":\"Offer\",\"price\":\"1831.60\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\"}}\u003c\/script\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":45116545400947,"sku":"98-0431-B","price":1831.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/98-0431-B.jpg?v=1781845520","url":"https:\/\/shop.washburnsmetal.com\/products\/empi-as41-magnesium-alloy-engine-case-stock-vw-type-1-air-cooled-98-0431-b","provider":"Washburn's Metal","version":"1.0","type":"link"}