{"product_id":"edelbrock-rhs-ls-aluminum-race-block-9-240in-standard-deck-4-120in-bore-0-904in-lifter","title":"Edelbrock RHS LS Aluminum Race Block 9.240in Standard Deck 4.120in Bore 0.904in Lifter","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 54903U-904\u003c\/p\u003e\u003cp\u003eBlock Specifications: Designed from heavy-duty A357-T6 aluminum material, 4.125\"-4.165\" siamese cast bore walls w\/ press-in spun cast iron liner, Available in standard (9.240\") \u0026amp; tall (9.750\") deck heights w\/ beefy .750\" deck thickness, Both standard deck (5.67\"\/5.87\"- same as LS7) \u0026amp; tall deck (5.94\"\/6.38\") cylinder liner lengths available, Long arm friendly\" - Accommodations for up to 4.6\" stroke w\/ standard rod pin diameters (2.100\") \u0026amp; oversized 60mm camshaft, Main cap surface area maximized at mating surface \u0026amp; large fillets from cap to cross bolts for added strength, Designed for clearance - side oil galley moved outboard \u0026amp; engineered rod clearance come standard, Significantly increased windage passage area under bores \u0026amp; around caps over LS7\/LSX engines, 6 head bolt design w\/ full water jacket around the cylinders (based on LS7 design), Bay-to-bay breathing improved w\/ increased side window area versus LSX \u0026amp; LS7, Extra-large windows in valley for access to inboard 6th\" head bolt, Extra-long liners for standard (5.87\") \u0026amp; tall (6.38\") decks.\u003c\/p\u003e\u003cp\u003eRHS LS Block, Standard 9.240\" Deck, .904 Lifter, 55mm Roller Cam Bearing (Machined Only) - Hone to 4.120\"\u003c\/p\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":52414898798904,"sku":"E003 54903U-904","price":6904.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/edelbrock-rhs-ls-aluminum-race-block-9-240in-standard-deck-4-120in-bore-0-904in-lifter","provider":"MOTORMIA","version":"1.0","type":"link"}