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Merlin III Big Block Chevy Iron Block

Merlin III Big Block Chevy Iron Block

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Your Price: $2,175.00
Part Number:08

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Merlin III Big Block Chevy 
Now in its third iteration, World�s continually upgraded MERLIN cast iron block is the perfect foundation for any big block Chevrolet engine assembly. Made of a high density iron and manufactured to QS-9000 specifications on just two fixtures to eliminate tolerance stacking common on production lines, the MERLIN III can be bored to a maximum of 4.625� and is clearanced for a 4.375� crank. With a reinforced bottom end featuring 4-bolt splayed main caps, the MERLIN III can handle serious horsepower with complete reliability. It�s an excellent all-around value too!
 
  • High Density Cast Iron
  • Expanded Water Jackets
  • Priority Main Oiling
  • Maximum Bore 4.625
  • Standard Cam Bearings
  • Fuel Pump: OEM Mount
  • Starter: OEM Mount
  • Stock Camshaft Location
  • Approximately 270lbs

TECHNICAL SPECS

Material: High Density Cast Iron
Deck Height: Standard 9.800 or 10.200"
Deck Thickness: .600" minimum
Cam Bearings: Standard Chevrolet
Main Bearings: Standard Chevrolet
Camshaft Location: Stock
Lifter Bores: Indexed (stock .8437" bore)
Bore: 4.240 (hone to 4.250") or 4.490 (hone to 4.500")
Maximum Bore: 4.600"
Cylinder Wall Thickness: .250" at 4.600" bore
Water Jackets: Expanded for better cooling
Lubrication: Priority main oiling system
Filtration: Integral mount for spin-on filter
Oil Pan Rails: Solid (stock width)
Crank Clearance: 4.375" stroke
Main Caps: 4-bolts splayed, nodular iron or billet steel
Fuel Pump: OEM mount
Starter: OEM mount
Motor Mounts: Dual (front and side)
Cylinder Head Holes: Blind tapped to prevent leaks
Weight: Approximately 270 lbs.

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