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{"id":10303834095798,"title":"World Products Merlin IV Big-Block Chevy Engine Block Kit – 4.245-Inch Bore, Nodular Caps – 091100","handle":"world-products-merlin-iv-bbc-block-kit-091100","description":"\u003ch2\u003e\u003cspan\u003eAvailability Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product is temporarily out of stock due to production and supply delays associated with a recent foundry ownership transition. World Products is currently experiencing delays in receiving certain engine blocks and cylinder heads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis listing remains available for product information and specifications, but the item cannot be purchased at this time. Metal By Rhody will update the listing and restore online purchasing as inventory becomes available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease contact Metal By Rhody for the latest availability information. Restock dates are not guaranteed and may change without notice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe World Products Merlin IV engine block kit provides a durable foundation for high-performance big-block Chevrolet combinations. The redesigned Merlin IV casting incorporates thicker main webs and cylinder walls, an enlarged priority-main oiling system, and four-bolt splayed main caps for strength in racing and high-output street builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis configuration features a 9.800-inch deck height, 4.245-inch bore, standard BBC camshaft location and cam-bearing bore, standard BBC lifter bores, 454-size main journals, and four-bolt splayed nodular-iron main caps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e World Products\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer Block Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 091100\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eKit Reference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e KITSBK-14\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eEngine Family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Big-Block Chevrolet\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-density cast-iron Merlin IV construction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e9.800-inch deck height\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4.245-inch bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaximum recommended bore of 4.625 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard 2.120-inch BBC cam-bearing bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard camshaft location\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard BBC lifter bores\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e454-size main journals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFour-bolt splayed nodular-iron main caps with dowels and stepped registers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePriority-main oiling with front oil-inlet and restrictor provisions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThicker main webs and cylinder walls\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTwo-piece rear-main-seal configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eClearance for crankshafts with strokes up to 4.375 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAccepts standard big-block Chevrolet components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eKit Contents\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWorld Products Merlin IV engine block\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePerformance main-bearing set\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePerformance rod-bearing set\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard BBC cam-bearing set for a 2.120-inch cam-bearing bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBrass freeze plugs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSteel cam plug\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePipe plugs and dowels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBlock Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-density cast iron\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDeck Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9.800 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.245 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Recommended Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.625 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCam-Bearing Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard 2.120-inch BBC\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCamshaft Location:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLifter Bores:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard BBC\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMain Journal Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 454 mains\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMain Caps:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Four-bolt splayed nodular iron\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRear Main Seal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Two-piece\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Crankshaft Stroke Clearance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.375 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eApproximate Block Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 270 pounds\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One block kit\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRequired Freight Delivery Selection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis engine block ships by truck freight. Before adding it to your cart, you must select the delivery option that accurately reflects the equipment available at the delivery address.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLiftgate Required — No loading dock or forklift available:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Select this option for a residential address or any delivery location that does not have a suitable loading dock, forklift, or other equipment capable of safely unloading the shipment. Liftgate service is included in the price of this delivery option.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNo Liftgate Required — Loading dock or forklift available:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Select this option only when a suitable loading dock, forklift, or equivalent unloading equipment will be available when the carrier arrives. An authorized person must also be present to receive and safely unload the shipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe selected delivery option must be accurate. Metal By Rhody or the supplier may contact you to confirm the delivery location and unloading requirements before shipment. An incorrect selection may delay the order and could result in additional carrier, re-delivery, storage, or address-correction charges for which the customer may be responsible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLiftgate service lowers the packaged shipment from the freight truck to ground level. It does not include unpacking, installation, indoor or garage placement, driveway delivery, or movement beyond the carrier’s standard delivery point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe freight carrier may contact you to arrange a delivery appointment. Please provide an accurate daytime telephone number and complete delivery address during checkout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFree standard freight shipping applies only within the contiguous United States. Shipping is not available for these products to Alaska, Hawaii, Puerto Rico, other U.S. territories, APO\/FPO\/DPO addresses, or international destinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInspect the shipment before accepting delivery. Note any visible damage or missing items on the delivery receipt, photograph the shipment, and contact Metal By Rhody promptly.\u003c\/span\u003e\u003c\/p\u003e","published_at":"2026-10-05T12:36:56-04:00","created_at":"2026-09-21T13:20:46-04:00","vendor":"World Products","type":"Engine Block","tags":[".842 Lifters","4.245 Bore","9.800 Deck","BBC","Big Block Chevy","Cast Iron Block","Chevrolet","Direct Ship","Engine Block","Engine Block Kit","Free Freight Shipping","Liftgate Available","Merlin IV","Nodular Iron Caps","Performance Products","Professional Installation Required","Standard Cam","World Products"],"price":376799,"price_min":376799,"price_max":376799,"available":false,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50491329511606,"title":"Liftgate Required — No loading dock or forklift available","option1":"Liftgate Required — No loading dock or forklift available","option2":null,"option3":null,"sku":"KITSBK-14-LG","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"World Products Merlin IV Big-Block Chevy Engine Block Kit – 4.245-Inch Bore, Nodular Caps – 091100 - Liftgate Required — No loading dock or forklift available","public_title":"Liftgate Required — No loading dock or forklift available","options":["Liftgate Required — No loading dock or forklift available"],"price":376799,"weight":95254,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":50491329544374,"title":"No Liftgate Required — Loading dock or forklift available","option1":"No Liftgate Required — Loading dock or forklift available","option2":null,"option3":null,"sku":"KITSBK-14-NLG","requires_shipping":true,"taxable":true,"featured_image":null,"available":false,"name":"World Products Merlin IV Big-Block Chevy Engine Block Kit – 4.245-Inch Bore, Nodular Caps – 091100 - No Liftgate Required — Loading dock or forklift available","public_title":"No Liftgate Required — Loading dock or forklift available","options":["No Liftgate Required — Loading dock or forklift available"],"price":376799,"weight":95254,"compare_at_price":null,"inventory_management":"shopify","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-1.jpg?v=1791213735","\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-2.jpg?v=1791213735","\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-3.jpg?v=1791213735","\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-4.jpg?v=1791213735"],"featured_image":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-1.jpg?v=1791213735","options":["Delivery Equipment"],"media":[{"alt":null,"id":46409101967542,"position":1,"preview_image":{"aspect_ratio":1.0,"height":750,"width":750,"src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-1.jpg?v=1791213735"},"aspect_ratio":1.0,"height":750,"media_type":"image","src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-1.jpg?v=1791213735","width":750},{"alt":null,"id":46409102000310,"position":2,"preview_image":{"aspect_ratio":1.0,"height":750,"width":750,"src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-2.jpg?v=1791213735"},"aspect_ratio":1.0,"height":750,"media_type":"image","src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-2.jpg?v=1791213735","width":750},{"alt":null,"id":46409102033078,"position":3,"preview_image":{"aspect_ratio":1.0,"height":750,"width":750,"src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-3.jpg?v=1791213735"},"aspect_ratio":1.0,"height":750,"media_type":"image","src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-3.jpg?v=1791213735","width":750},{"alt":null,"id":46409102065846,"position":4,"preview_image":{"aspect_ratio":1.0,"height":750,"width":750,"src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-4.jpg?v=1791213735"},"aspect_ratio":1.0,"height":750,"media_type":"image","src":"\/\/metalbyrhody.com\/cdn\/shop\/files\/091100-4.jpg?v=1791213735","width":750}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch2\u003e\u003cspan\u003eAvailability Notice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis product is temporarily out of stock due to production and supply delays associated with a recent foundry ownership transition. World Products is currently experiencing delays in receiving certain engine blocks and cylinder heads.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis listing remains available for product information and specifications, but the item cannot be purchased at this time. Metal By Rhody will update the listing and restore online purchasing as inventory becomes available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePlease contact Metal By Rhody for the latest availability information. Restock dates are not guaranteed and may change without notice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe World Products Merlin IV engine block kit provides a durable foundation for high-performance big-block Chevrolet combinations. The redesigned Merlin IV casting incorporates thicker main webs and cylinder walls, an enlarged priority-main oiling system, and four-bolt splayed main caps for strength in racing and high-output street builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis configuration features a 9.800-inch deck height, 4.245-inch bore, standard BBC camshaft location and cam-bearing bore, standard BBC lifter bores, 454-size main journals, and four-bolt splayed nodular-iron main caps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e World Products\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eManufacturer Block Part Number:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 091100\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eKit Reference:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e KITSBK-14\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eEngine Family:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Big-Block Chevrolet\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-density cast-iron Merlin IV construction\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e9.800-inch deck height\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e4.245-inch bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaximum recommended bore of 4.625 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard 2.120-inch BBC cam-bearing bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard camshaft location\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard BBC lifter bores\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e454-size main journals\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eFour-bolt splayed nodular-iron main caps with dowels and stepped registers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePriority-main oiling with front oil-inlet and restrictor provisions\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThicker main webs and cylinder walls\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTwo-piece rear-main-seal configuration\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eClearance for crankshafts with strokes up to 4.375 inches\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAccepts standard big-block Chevrolet components\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eKit Contents\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eWorld Products Merlin IV engine block\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePerformance main-bearing set\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePerformance rod-bearing set\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStandard BBC cam-bearing set for a 2.120-inch cam-bearing bore\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBrass freeze plugs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSteel cam plug\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003ePipe plugs and dowels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eBlock Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High-density cast iron\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eDeck Height:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 9.800 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eBore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.245 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Recommended Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.625 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCam-Bearing Bore:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard 2.120-inch BBC\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eCamshaft Location:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eLifter Bores:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Standard BBC\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMain Journal Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 454 mains\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMain Caps:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Four-bolt splayed nodular iron\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eRear Main Seal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Two-piece\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eMaximum Crankshaft Stroke Clearance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.375 inches\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eApproximate Block Weight:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 270 pounds\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eQuantity:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e One block kit\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eRequired Freight Delivery Selection\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThis engine block ships by truck freight. Before adding it to your cart, you must select the delivery option that accurately reflects the equipment available at the delivery address.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLiftgate Required — No loading dock or forklift available:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Select this option for a residential address or any delivery location that does not have a suitable loading dock, forklift, or other equipment capable of safely unloading the shipment. Liftgate service is included in the price of this delivery option.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eNo Liftgate Required — Loading dock or forklift available:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Select this option only when a suitable loading dock, forklift, or equivalent unloading equipment will be available when the carrier arrives. An authorized person must also be present to receive and safely unload the shipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe selected delivery option must be accurate. Metal By Rhody or the supplier may contact you to confirm the delivery location and unloading requirements before shipment. An incorrect selection may delay the order and could result in additional carrier, re-delivery, storage, or address-correction charges for which the customer may be responsible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLiftgate service lowers the packaged shipment from the freight truck to ground level. It does not include unpacking, installation, indoor or garage placement, driveway delivery, or movement beyond the carrier’s standard delivery point.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe freight carrier may contact you to arrange a delivery appointment. Please provide an accurate daytime telephone number and complete delivery address during checkout.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFree standard freight shipping applies only within the contiguous United States. Shipping is not available for these products to Alaska, Hawaii, Puerto Rico, other U.S. territories, APO\/FPO\/DPO addresses, or international destinations.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eInspect the shipment before accepting delivery. Note any visible damage or missing items on the delivery receipt, photograph the shipment, and contact Metal By Rhody promptly.\u003c\/span\u003e\u003c\/p\u003e"}

World Products Merlin IV Big-Block Chevy Engine Block Kit – 4.245-Inch Bore, Nodular Caps – 091100

Product Description

Availability Notice

This product is temporarily out of stock due to production and supply delays associated with a recent foundry ownership transition. World Products is currently experiencing delays in receiving certain engine blocks and cylinder heads.

This listing remains available for product information and specifications, but the item cannot be purchased at this time. Metal By Rhody will update the listing and restore online purchasing as inventory becomes available.

Please contact Metal By Rhody for the latest availability information. Restock dates are not guaranteed and may change without notice.

Product Details

The World Products Merlin IV engine block kit provides a durable foundation for high-performance big-block Chevrolet combinations. The redesigned Merlin IV casting incorporates thicker main webs and cylinder walls, an enlarged priority-main oiling system, and four-bolt splayed main caps for strength in racing and high-output street builds.

This configuration features a 9.800-inch deck height, 4.245-inch bore, standard BBC camshaft location and cam-bearing bore, standard BBC lifter bores, 454-size main journals, and four-bolt splayed nodular-iron main caps.

Manufacturer: World Products
Manufacturer Block Part Number: 091100
Kit Reference: KITSBK-14
Engine Family: Big-Block Chevrolet

Key Features

  • High-density cast-iron Merlin IV construction

  • 9.800-inch deck height

  • 4.245-inch bore

  • Maximum recommended bore of 4.625 inches

  • Standard 2.120-inch BBC cam-bearing bore

  • Standard camshaft location

  • Standard BBC lifter bores

  • 454-size main journals

  • Four-bolt splayed nodular-iron main caps with dowels and stepped registers

  • Priority-main oiling with front oil-inlet and restrictor provisions

  • Thicker main webs and cylinder walls

  • Two-piece rear-main-seal configuration

  • Clearance for crankshafts with strokes up to 4.375 inches

  • Accepts standard big-block Chevrolet components

Kit Contents

  • World Products Merlin IV engine block

  • Performance main-bearing set

  • Performance rod-bearing set

  • Standard BBC cam-bearing set for a 2.120-inch cam-bearing bore

  • Brass freeze plugs

  • Steel cam plug

  • Pipe plugs and dowels

Specifications

Block Material: High-density cast iron
Deck Height: 9.800 inches
Bore: 4.245 inches
Maximum Recommended Bore: 4.625 inches
Cam-Bearing Bore: Standard 2.120-inch BBC
Camshaft Location: Standard
Lifter Bores: Standard BBC
Main Journal Size: 454 mains
Main Caps: Four-bolt splayed nodular iron
Rear Main Seal: Two-piece
Maximum Crankshaft Stroke Clearance: 4.375 inches
Approximate Block Weight: 270 pounds
Quantity: One block kit

Required Freight Delivery Selection

This engine block ships by truck freight. Before adding it to your cart, you must select the delivery option that accurately reflects the equipment available at the delivery address.

  • Liftgate Required — No loading dock or forklift available: Select this option for a residential address or any delivery location that does not have a suitable loading dock, forklift, or other equipment capable of safely unloading the shipment. Liftgate service is included in the price of this delivery option.

  • No Liftgate Required — Loading dock or forklift available: Select this option only when a suitable loading dock, forklift, or equivalent unloading equipment will be available when the carrier arrives. An authorized person must also be present to receive and safely unload the shipment.

The selected delivery option must be accurate. Metal By Rhody or the supplier may contact you to confirm the delivery location and unloading requirements before shipment. An incorrect selection may delay the order and could result in additional carrier, re-delivery, storage, or address-correction charges for which the customer may be responsible.

Liftgate service lowers the packaged shipment from the freight truck to ground level. It does not include unpacking, installation, indoor or garage placement, driveway delivery, or movement beyond the carrier’s standard delivery point.

The freight carrier may contact you to arrange a delivery appointment. Please provide an accurate daytime telephone number and complete delivery address during checkout.

Free standard freight shipping applies only within the contiguous United States. Shipping is not available for these products to Alaska, Hawaii, Puerto Rico, other U.S. territories, APO/FPO/DPO addresses, or international destinations.

Inspect the shipment before accepting delivery. Note any visible damage or missing items on the delivery receipt, photograph the shipment, and contact Metal By Rhody promptly.

$3,767.99
Maximum quantity available reached.

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