{"product_id":"porsche-102-70mm-996-997-gt3-machine-in-nickies-mezger-sleeves-aluminum-108-102-7","title":"Porsche 102.70mm 996\/997 GT3 Machine-In Nickies Mezger Sleeves Aluminum  108-102-7","description":"Porsche \u003cspan data-mce-fragment=\"1\"\u003eLN Engineering's billet aluminum Nickies sleeves optimized design provide superior strength and cooling over the factory cast aluminum Nikasil plated sleeve. Typical specifications for our proprietary alloy provides 50-60% improvement with a similar increase in thermal conductivity over the stock 100mm cast aluminum sleeve.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWhen Porsche increased the bore size larger than 100mm, they switched to Nikasil plated steel sleeves which have significantly lower thermal conductivity. Our machine-in Mezger cylinder liners use the registers of the steel 105.4mm sleeves, but are made out of billet aluminum for increased strength and cooling over factory steel cylinder liners.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe water jacket and case both need to be machined to accept the 108-102.7 Nickies Mezger sleeves.\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eRequires the use of factory 102.7mm head gaskets or custom Cometic head gaskets (both sold separately).\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e","brand":"LN Engineering","offers":[{"title":"Default Title","offer_id":40157683023930,"sku":"108-102.7","price":4890.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/4846\/2650\/files\/Porsche-102-70mm-996-997-GT3-Machine-In-Nickies-Me-0.jpg?v=1747884190","url":"https:\/\/sierramadrecollection.com\/products\/porsche-102-70mm-996-997-gt3-machine-in-nickies-mezger-sleeves-aluminum-108-102-7","provider":"Sierra Madre Collection","version":"1.0","type":"link"}