{"product_id":"edelbrock-54901u-ls-aluminum-race-block-tall-deck-4-120-bore","title":"Edelbrock 54901U - RHS LS Aluminum Race Block (Ready to Hone) 9.750in Tall Deck - 4.120in Bore","description":"\u003cp\u003eEdelbrock 54901U - RHS LS Aluminum Race Block (Ready to Hone) 9.750in Tall Deck - 4.120in Bore\u003c\/p\u003e\u003cp\u003eLS Aluminum Race Block Tall Deck 4.120 Bore\u003c\/p\u003e\u003cp\u003eRHS LS Block, Tall 9.750\" Deck, .842 Lifter, 50mm Cam Bearing - Hone to 4.120\"\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\u003cul\u003e\n\u003cli\u003eRolled threads on all threaded holes for added strength\u003c\/li\u003e\n\u003cli\u003eGen III\/Gen IV compliant with race mounts for Gen I, Gen II, Gen III \u0026amp; Gen IV engines\u003c\/li\u003e\n\u003cli\u003eP1 MFG main stud kit standard with enough material in castings to accommodate up to a 0.5 inch fastener\u003c\/li\u003e\n\u003cli\u003eChilled main bearing bulkheads for added strength\u003c\/li\u003e\n\u003cli\u003eOptimized billet main caps \u0026amp; improved windage\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCylinder Bore Diameter\u003c\/strong\u003e: \u003cspan\u003e4.125\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCylinder Quantity\u003c\/strong\u003e: \u003cspan\u003e8\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Height\u003c\/strong\u003e: \u003cspan\u003e9.76\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrade Type\u003c\/strong\u003e: \u003cspan\u003ePerformance\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMain Bearing Cap Bolt Quantity\u003c\/strong\u003e: \u003cspan\u003e6\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003eAluminum\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: \u003cspan\u003eRHS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":51133736648982,"sku":"EDEL-54901U","price":6904.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_1a52817f39b040aa2ab21e607f1b9dcbl_normalized.jpg?v=1776219937","url":"https:\/\/www.cspracing.com\/products\/edelbrock-54901u-ls-aluminum-race-block-tall-deck-4-120-bore","provider":"Complete Street Performance","version":"1.0","type":"link"}