Dart 31612111 Iron Eagle Gen III Hemi Engine Block 9.250 Deck 3.927 Bore Non-VVT

The Dart 31612111 Iron Eagle engine block represents a clean-slate approach to addressing the limitations of the OEM Gen III Hemi platform. This cast iron block is engineered for hot rodders, drag racers, time attack competitors, drifters, and high-performance street enthusiasts seeking maximum reliability and power potential from their 6.1L Hemi builds.

Key Specifications:

• Cylinder bore: 3.927 inches with 9.250-inch deck height
• Maximum cylinder bore capacity: 4.250 inches
• 4-bolt billet steel main caps with 1-piece rear main seal
• 0.842-inch camshaft lifter bores with brass press-in freeze plugs
• Cast iron construction for superior strength and durability
• Non-VVT (Variable Valve Timing) configuration

What's Included:

• Bare engine block (bare block only)
• Billet steel 4-bolt main caps
• Brass freeze plugs installed

Please Note: For Ram TRX applications, the required differential bracket is not cast on this block and will require an aftermarket solution or modification. This block does not include head dowels, bell housing dowels, cam bearings, or oil filter adapter—these components must be purchased separately.

Designed for 2005-2010 Chrysler 6.1L Hemi engines, this Iron Eagle block provides the foundation for building a reliable high-horsepower engine capable of withstanding extreme performance demands.