World Products 085511 - World Products BB-Chevy Merlin-X Aluminum Blocks

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World Products has applied the technology of the highly-successful Motown Lite small block to the big block Chevy. Intended for street and Sportsman competition, Merlin-X blocks were designed for 100% compatibility with Chevrolet Mark IV components. Reinforcing ribs on the sides improve overall stability and facilitate cooling.

SPECIFICATIONS

Oil System Features:

Integral boss for front feed, boss for rear scavenge

Rear main cap has provisions for wet sump pump

Drilled for dry sump valley scavenge lines

Crossfeed lines between left and right lifter oil galleys

Filtration: Integral mount for spin-on filter

Oil Pan Rails: Solid stock width (can be clearanced for Strokers)

Crank Clearance: 4.375" for standard deck, 4.750" for tall deck (using H-beam rods, sleeves may require notching)

Main Caps: Splayed billet steel

Mounts: OE starter and oil filter mounts

Motor Mounts: Front and side

Cylinder Head Holes: Blind tapped to prevent leaks

Weight: Approximately 140 lbs with sleeves