World Products Merlin III Engine Blocks Engine Block - Cast Iron - 4-Bolt Mains - 4.240 in. Diameter Bore - 2-Piece Rear Main Seal - Chevy - 454

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World Products

51 Tradezone Ct.
Ronkonkoma, NY NY

Website: www.worldcastings.com/
Phone: (631) 981-1918

Manufacturer of high performance engines, blocks, heads, and intake manifolds.

Description for World Products part# 081110

A better foundation for your big block. 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