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Dart Machinery, LTD. stands behind each product we manufacture 100%. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible.
Iron Eagle GEN VII

Iron Eagle GEN VII

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Product Description

The GM 8.1 liter big block was used in numerous marine and truck applications. Up until now, there have been very limited options for upgrading its performance potential.

Dart has developed a whole new world of performance for the metric 8.1/8.8 liter style big block engine. New Cast Iron cylinder heads with improved high flowing port designs and efficient combustion chambers greatly enhance power and torque output.

Dart’s Cast Iron cylinder heads for the Gen VII 8.1/8.8 liter style engines offer improved ports and chambers as well as added valve train versatility.

We have introduced the only carburetor style intake manifold for these engines currently available. This dual plane Cast Aluminum unit offers new performance possibilities.

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Material: High Nickel 220 BHN Cast Iron

Valve angle: 24°

Intake Port Volume: 320cc

Intake Valve: 2.190”

Exhaust Valve: 1.880”

Chamber Volume: 107cc

Plug Type: Angle

Gen VII (8.1/8.8 liter) Head – Iron

15400170 – Iron 306cc 108cc 2.19/1.88 Bare


Gen VII dual plane Manifold – Aluminum

41616010 – Aluminum Dual Plane 4150 5/16” bolts

8.1L GEN 7 TECH SHEET – H56

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