{"product_id":"chevrolet-performance-lsx-bare-engine-block-iron-4-185-in-finished-bore-9-240-in-deck-6-bolt-head-19417353","title":"Chevrolet Performance LSX Bare Engine Block, Iron 4.185 in Finished Bore, 9.240 in Deck, 6-Bolt Head | 19417353","description":"\u003cp\u003eThe Chevrolet Performance LSX bare block is a finished-bore cast iron LS cylinder block engineered for large-displacement, high-horsepower and forced-induction LS builds. The 4.185 in bore arrives finished and ready for assembly, and the block adds extra head-bolt provisions for improved clamping under boost.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLSX bare cylinder block\u003c\/li\u003e\n\u003cli\u003eMaterial: cast iron\u003c\/li\u003e\n\u003cli\u003eBore: 4.185 in, finished\u003c\/li\u003e\n\u003cli\u003eDeck height: 9.240 in\u003c\/li\u003e\n\u003cli\u003eMain caps: standard location, 6-bolt\u003c\/li\u003e\n\u003cli\u003eHead bolt provision: 6-bolt per cylinder\u003c\/li\u003e\n\u003cli\u003eRear seal: 1-piece\u003c\/li\u003e\n\u003cli\u003eFinish: orange\u003c\/li\u003e\n\u003cli\u003eFits GM LS-Series architecture\u003c\/li\u003e\n\u003cli\u003ePart number: 19417353\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eGM LS-Series engine platform (LSX race block)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eIs the 4.185 in bore finished?\u003c\/h5\u003e\u003cp\u003eYes, it is machined to a finished size and ready for ring fitment and assembly.\u003c\/p\u003e\u003ch5\u003eWhat is the head bolt arrangement?\u003c\/h5\u003e\u003cp\u003eThe block provides six head bolts per cylinder for increased clamping load under high cylinder pressure.\u003c\/p\u003e\u003ch5\u003eWhat rear main seal does it use?\u003c\/h5\u003e\u003cp\u003eIt uses a 1-piece rear main seal.\u003c\/p\u003e\u003ch5\u003eWhat engine family does this block fit?\u003c\/h5\u003e\u003cp\u003eIt fits the GM LS-Series architecture as part of the LSX race block line.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the 4.185 in bore finished?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, it is machined to a finished size and ready for ring fitment and assembly.\"}}, {\"@type\": \"Question\", \"name\": \"What is the head bolt arrangement?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The block provides six head bolts per cylinder for increased clamping load under high cylinder pressure.\"}}, {\"@type\": \"Question\", \"name\": \"What rear main seal does it use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It uses a 1-piece rear main seal.\"}}, {\"@type\": \"Question\", \"name\": \"What engine family does this block fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It fits the GM LS-Series architecture as part of the LSX race block line.\"}}]}\u003c\/script\u003e","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":41429088075824,"sku":"FMQX_19417353","price":5872.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/GMP19417353.jpg?v=1715003814","url":"https:\/\/berryperformancesales.com\/products\/chevrolet-performance-lsx-bare-engine-block-iron-4-185-in-finished-bore-9-240-in-deck-6-bolt-head-19417353","provider":"Berry Performance Sales","version":"1.0","type":"link"}