New 427 454 Bare Block

427/454 Bare Block Features and Improvements

• New Tooling and New Casting
• 4-Bolt Mains
• 1-Piece Rear Seal
• Deck Surface and Water Jackets Support Mark4, Mark5 and Mark6 Cylinder Head Designs
• Designed for Clearence of Double Row Timing Sets
• Provision for Mechanical Fuel Pump
• Added Material to Key Stress Areas in the Block
• Additional Oil Pressure Ports in Front Timing Cover Area and Oil Filter Pad
• Block Casting #19165955