{"product_id":"chevrolet-performance-engine-block-lsx454-9-240-deck-4-185-bore-19417353","title":"Chevrolet Performance Engine Block - Lsx454 - 9.240\" Deck - 4.185\" Bore","description":"\u003cp\u003eGM Performance LSX 454 Block 9.240\" Deck 4.185\" Bore Part# 19417353\u003cbr\u003e\nThese GM Performance LSX Bowtie engine blocks have been designed for the advanced competition engine builder. They feature Siamese cylinder bores and a semi-finished deck height. The Chevrolet Performance LSX Bowtie engine blocks can accept a maximum stroke of 4.250 in., a maximum bore of 4.250 in., and they can support displacements of 454 cu. in. or more. The blocks feature cast iron construction with a powdercoated orange finish. They accept all Gen III and IV LS-style cylinder heads, crankshafts, camshafts, and other components.\u003cbr\u003e\nAdditional features of the Chevrolet Performance Parts LSX Bowtie engine blocks include:\u003cbr\u003e\n* Front oil feed lines that can be plugged or restricted for mechanical flat tappet or mechanical lifter applications\u003cbr\u003e\n* Can be safely machined to 9.200 in. deck height\u003cbr\u003e\n* 1054 Billet Steel 6-bolt main bearing caps\u003cbr\u003e\n* 6-bolt cylinder head bolt pattern\u003cbr\u003e\n* Cam bores that can be machined to accept 60mm roller bearings\u003cbr\u003e\n* Can be machined for larger diameter lifters\u003cbr\u003e\n* External oil pump feed at the rear\u003cbr\u003e\n* Added 7th transmission bolt hole to work with early-style GM transmissions\u003cbr\u003e\n* Can accept a front motor plate for racing use\u003cbr\u003e\n* Threaded freeze plugs that can be used for external heaters or coolers\u003cbr\u003e\n* Windowed main bulkhead\u003c\/p\u003e","brand":"Chevrolet Performance","offers":[{"title":"Default Title","offer_id":52041513632038,"sku":"19417353","price":5013.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/1666\/1542\/files\/m2_19260099_54.jpg?v=1770810107","url":"https:\/\/billysspeedshop.com\/products\/chevrolet-performance-engine-block-lsx454-9-240-deck-4-185-bore-19417353","provider":"Billys Speed Shop","version":"1.0","type":"link"}