{"product_id":"goopy-performance-13b-2mm-apex-seal-set","title":"Goopy Performance 13B 2mm Apex Seal Set","description":"\u003cp\u003e\u003cstrong\u003eGoopy Performance 13B 2mm Apex Seal Set\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGoopy Performance 2mm apex seals are a proven performance upgrade for compatible Mazda 13B rotary engines using 2mm apex-seal rotors.\u003c\/p\u003e\n\u003cp\u003eDesigned with strength and longevity in mind, Goopy apex seals are manufactured in the USA from the company's proprietary \u003cstrong\u003eGoopy-Alloy\u003c\/strong\u003e and are suitable for applications ranging from standard engine rebuilds to high-performance turbocharged rotary builds.\u003c\/p\u003e\n\u003cp\u003eThe 2mm version is designed for compatible Mazda 13B rotors using the factory-style 2mm apex-seal slot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKEY FEATURES\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Goopy Performance apex seals\u003c\/li\u003e\n\u003cli\u003eComplete set of \u003cstrong\u003e6 seals\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e2mm specification\u003c\/li\u003e\n\u003cli\u003eDesigned for compatible Mazda 13B\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eDesigned for strength and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAPPLICATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSuitable for compatible Mazda 13B rotary engines using \u003cstrong\u003e2mm apex-seal slots\u003c\/strong\u003e, including applicable:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMazda RX-7 FC3S\u003c\/li\u003e\n\u003cli\u003eMazda RX-7 FD3S\u003c\/li\u003e\n\u003cli\u003e13B-T\u003c\/li\u003e\n\u003cli\u003e13B-REW\u003c\/li\u003e\n\u003cli\u003eNaturally aspirated 13B applications using compatible 2mm rotors\u003c\/li\u003e\n\u003cli\u003eTurbocharged 13B performance builds\u003c\/li\u003e\n\u003cli\u003eStreet, track and motorsport engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility must ultimately be determined by the \u003cstrong\u003erotor apex-seal slot specification\u003c\/strong\u003e, not vehicle model alone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAPEX SEAL CLEARANCE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCorrect apex-seal clearance is critical during rotary engine assembly.\u003c\/p\u003e\n\u003cp\u003eGoopy recommends approximately \u003cstrong\u003e0.0015\" clearance between the apex seal and rotor slot\u003c\/strong\u003e for both naturally aspirated and boosted applications.\u003c\/p\u003e\n\u003cp\u003eEvery rotor and apex-seal groove should be cleaned, inspected and accurately measured before final engine assembly.\u003c\/p\u003e\n\u003cp\u003eNever assume that a used rotor remains within its original factory dimensions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eENGINE REBUILD INFORMATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eApex seals are only one part of the complete rotary engine sealing system.\u003c\/p\u003e\n\u003cp\u003eDuring a 13B engine rebuild, RSG recommends inspecting and measuring:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRotor housings\u003c\/li\u003e\n\u003cli\u003eRotor apex-seal grooves\u003c\/li\u003e\n\u003cli\u003eApex seal springs\u003c\/li\u003e\n\u003cli\u003eSide seals\u003c\/li\u003e\n\u003cli\u003eSide seal springs\u003c\/li\u003e\n\u003cli\u003eCorner seals\u003c\/li\u003e\n\u003cli\u003eCorner seal springs\u003c\/li\u003e\n\u003cli\u003eOil-control rings\u003c\/li\u003e\n\u003cli\u003eRotor bearings\u003c\/li\u003e\n\u003cli\u003eStationary bearings\u003c\/li\u003e\n\u003cli\u003eEccentric shaft\u003c\/li\u003e\n\u003cli\u003eEngine sealing surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCorrect component clearances, engine assembly, lubrication, fuel system, ignition system and ECU calibration are essential to the reliability of any performance rotary engine.\u003c\/p\u003e\n\u003cp\u003eContact RSG if you are unsure whether \u003cstrong\u003eGoopy 13B 2mm Apex Seals\u003c\/strong\u003e are appropriate for your build.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorldwide shipping available.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Goopy Performance","offers":[{"title":"13B","offer_id":58731662836096,"sku":"GOO-13B-ENG-APX2","price":471.2,"currency_code":"EUR","in_stock":true},{"title":"20B","offer_id":58731662803328,"sku":"GOO-20B-ENG-APX2","price":700.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1013\/2573\/4272\/files\/IMG_20250304_093744.jpg?v=1787602484","url":"https:\/\/rotarysecretgarage.com\/products\/goopy-performance-13b-2mm-apex-seal-set","provider":"Rotary Secret Garage","version":"1.0","type":"link"}