{"product_id":"rcm-ej20-block-guard-inserts-pair","title":"RCM EJ20 Block Guard Inserts (Pair)","description":"\u003ch2\u003e\u003cspan\u003eSubaru EJ20 Billet Block Guards – Pair\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eA pair of precision-machined Subaru EJ20 block guards, designed to provide additional support around the cylinder bores of the EJ20 open-deck engine block.\u003c\/p\u003e\n\u003cp\u003eThe EJ20's open-deck design leaves the upper section of the cylinder liners relatively unsupported. On engines operating at increased boost and cylinder pressures, additional bore support can be beneficial when building an engine for higher-performance applications.\u003c\/p\u003e\n\u003cp\u003eThese aluminium block guards are machined specifically to follow the shape of the EJ20 block and fit around the cylinder bores, helping to support and stabilise the upper cylinder walls while retaining the necessary coolant passages.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eDesigned specifically for \u003c\/span\u003eSubaru EJ20 engine blocks\u003c\/li\u003e\n\u003cli\u003ePrecision CNC-machined aluminium construction\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProvides additional support around the upper cylinder bores\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHelps reduce cylinder wall movement under increased cylinder pressure\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMachined coolant passages maintain coolant circulation around the cylinders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIdeal for performance, competition and high-boost EJ20 engine builds\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eSupplied as a \u003c\/span\u003ematched pair – one guard for each block half\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProfessional machining and installation required\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eApplication\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eSuitable for compatible \u003c\/span\u003eSubaru EJ20 open-deck engine blocks\u003cspan\u003e. Because of the machining and tolerances involved, these guards should be installed by an experienced engine machine shop. Final machining, clearances and bore geometry should be checked as part of the engine build process.\u003c\/span\u003e\u003c\/p\u003e","brand":"RCM","offers":[{"title":"Default Title","offer_id":58143323095422,"sku":"RCM3935","price":179.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0566\/5941\/1118\/files\/Machined_Aluminium_Figure-Eight_Bracket.png?v=1790943285","url":"https:\/\/rogerclarkmotorsport.co.uk\/products\/rcm-ej20-block-guard-inserts-pair","provider":"Roger Clark Motorsport UK","version":"1.0","type":"link"}