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World Products 426/440 Hemi/Wedge Engine Blocks 088555

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Engine Block, Aluminum, 4-Bolt Mains, 4.490 in. Diameter Bore, 2-Piece Rear Main Seal, Chrysler,Big Block Hemi

  • This part is shipped via truck freight, additional shipping charges will apply. Multiple truck freight parts on an order may increase the shipping amount.

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Manufacturer's Part Number: 088555
Summit Racing Part Number: WRL-088555

Main Journal Type: OEM
Engine Block Style: Aftermarket
Deck Height (in): 10.725 in.
Cylinder Bore as Shipped: 4.490 in.
Cylinder Bore Diameter: 4.530 in.
Engine Block Material: Aluminum
Engine Block Weight (lbs): 142 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: Yes
Quantity: Sold individually.
In-Store Pickup: Choose In-store pick-up (OH, GA, NV) on our web site.

The resurgence in popularity enjoyed by 426 Hemi-powered race cars and street machines has taken another step forward with World Products' refined 426/440 Hemi/Wedge engine blocks. The blocks carry Mopar casting numbers and accommodate all OEM Mopar components. World's engineering team has taken the 426 Hemi into the 21st century through the use of 3D CAD/CAM technology. The refined Hemi/Wedge blocks have superior casting quality and exceptional consistency. They also incorporate a number of features that are a result of collaborating with leading Hemi racers and engine builders. Available in multiple bore sizes, the blocks can accommodate a 4.750 in. stroke crank if an external oil pickup line is employed. The blocks come with standard or 0.250 in. raised cam tunnels, which can be bored to 60mm. Lifter bores can be spread up to 0.100 in. and machined at any angle from 45 to 51 degrees. Another unique feature added by World Products is a dual pattern bellhousing, which can accept both Chrysler and GM transmissions. The blocks feature cross-bolted main caps, including the front main for superior strength.


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

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