{"product_id":"gm-ls-alloy-bare-engine-block","title":"Aeroflow Aluminium GM LS Engine Block, 4.125\" Bore","description":"\u003cstrong\u003eAeroflow Aluminium GM LS Engine Block, 4.125\" Bore\u003c\/strong\u003e\u003cbr\u003e9.240\" Deck Height, 6-Bolt Main Caps \u003cp\u003eAeroflow Performance aluminium engine blocks are the ideal foundation for any high-performance engine build that demands strength, precision, and reliability. Manufactured from heavy-duty cast aluminium alloy, these brand-new semi-finished engine blocks utilize premium Darton sleeves for exceptional durability and performance. Designed to require minimal machining, these bare engine blocks are engineered to suit a wide range of internal component combinations readily available off the shelf.\u003c\/p\u003e\u003cp\u003eThe thick deck height provides superior head gasket sealing, while the priority main oiling system and dual lifter crossover provisions ensure consistent oil flow throughout the engine block under demanding conditions. Strength is further enhanced with upgraded 1\/2\" head studs and 7\/16\" main studs, combined with billet steel main caps featuring splayed outer studs for maximum bottom-end stability.\u003c\/p\u003e\u003cp\u003eThe block also provides crankshaft clearance for up to a 4.100\" stroke, making it ideal for serious naturally aspirated, turbocharged, or supercharged applications. This aftermarket alloy engine block retains compatibility with many standard GM LS off-the-shelf components including camshafts, timing chains, oil pumps, oil pans, and oil filters, helping simplify the engine build process while reducing overall costs.\u003c\/p\u003e","brand":"Aeroflow Performance","offers":[{"title":"Default Title","offer_id":47361607794859,"sku":"AF96-1024","price":15527.86,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0520\/9319\/0315\/files\/AF96-1024_9_26052026064937.jpg?v=1783462941","url":"https:\/\/stealthride.co.nz\/products\/gm-ls-alloy-bare-engine-block","provider":"Stealth Ride","version":"1.0","type":"link"}