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World Products Merlin III Engine Blocks 081101

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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: 2/16/2015 (if ordered today) Would you rather pick it up? Select Location

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Brand: World Products

Manufacturer's Part Number: 081101

Part Type: Engines, Bare Blocks

Product Line: World Products Merlin III Engine Blocks

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.

Tool Stroker Combinations

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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