WP085012 - WORLD ENGINE BLOCK IRON BILLET SPLAYED 4-BOLT 4.600"B 2PC RMS BBC 454

Engine Block, Cast Iron, Billet Splayed 4-Bolt Mains, 4.600 in. Bore, 2-Piece Rear Main Seal, Chevy, 454, Each

Main Journal Type: Chevy 454

Engine Block Material: Cast iron

Engine Block Style: Aftermarket

Engine Block Deck Height: Standard deck

Deck Height (in.): 9.800 in.

Cylinder Bore as Shipped: 4.590 in.

Cylinder Bore Diameter: 4.600 in.

Engine Block Weight (lbs.): 275 lbs.

Main Bolt Style: 4-bolt

Main Caps Included: Yes

Main Cap Material: Steel

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.

World Products Merlin III Engine Blocks

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