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World Products Merlin III Engine Blocks 081101

World Products 081101 - World Products Merlin III Engine Blocks

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Engine Block, Cast Iron, 4-Bolt Iron Splayed Mains, 4.500 in. Dia. Bore, 2-Piece Seal, Chevy, Big Block, Each

Estimated Ship Date: 11/11/2014 (if ordered today) Would you rather pick it up? Select Location

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  • This part is normally shipped directly from the manufacturer / Supplier.

  • Order this item and get free delivery and handling on your entire order! Truck freight fees also waived on this item. Valid on orders shipped in the contiguous United States.

Manufacturer's Part Number: 081101
Summit Racing Part Number: WRL-081101

Main Journal Type: OEM
Engine Block Style: Stock/OEM standard deck
Deck Height (in): 9.800 in.
Cylinder Bore as Shipped: 4.490 in.
Cylinder Bore Diameter: 4.500 in.
Engine Block Material: Cast iron
Engine Block Weight (lbs): 270 lbs.
Main Bolt Style: 4-bolt
Main Caps Included: Yes
Main Cap Material: Nodular iron
Main Cap Fasteners Included: Yes
Main Bearings Included: No
Rear Main Seal Style: 2-piece
Finished Cylinder Bores: No
Raised Cam Location: No
Cam Bearings Included: No
Freeze Plugs Included: No
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

World Products used their 15-plus years of experience manufacturing Merlin blocks for competition to develop these affordable CNC-machined versions that are perfect for marine, ET bracket racing, and street use. These Merlin III blocks incorporate reinforced bulkheads and main webs, thicker decks, and a priority main oiling system.

Specifications are as follows:

* Made from high-density cast iron
* 9.800 in. or 10.200 in. deck heights with .600 in. minimum thickness
* Dry sump valley scavenge lines drilled
* Clearanced for 4.375 in. stroker crankshaft (H-beam steel rods for 9.800 in. deck) or 4.750 in. clearance for 10.200 in. deck
* Integral mount for spin-on oil filter
* Dry sump systems can feed from front or rear of block
* Can be bored to 4.625 in. maximum
* Water jackets expanded for better cooling
* Standard Chevy cam location and cam bearings
* Priority main oiling system for maximum reliability
* Solid pan rails with stock spacing
* OEM starter, fuel pump, and engine mounts (dual)
* Blind tapped head bolt holes for extra integrity
* 100 percent compatible with OEM parts
* Indexed lifter bores
* Integral boss for front-feed oiling systems
* Compatible with all Chevy Mark IV components
* Stepped oiling (.584 in.-.500 in.-.437 in.)
* Extra head bolt bosses in valley to accommodate special racing heads
* Oil drainback in valley lubricates distributor gear
* Blind holes drilled into valley for screen (no risk of cam binding)
* Manufactured to QS-9000 specs on two CNC centers


Some parts are not legal for sale or use in California on any pollution-controlled motor vehicles

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