IRON EAGLE Small Block Ford Iron Block – 4.000-4.125 In. Bore, 8.200-9.500 In. Deck

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Designed for high performance and heavy duty applications, the Sportsman block is ideal for drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts.

Features

• Re-designed casting with 6-Bolt per cylinder head bolt pattern, for maximum cylinder head gasket sealing.
• Siamesed cylinders: Standard 4.000” or 4.125” cylinders can be safely bored to 4.185” diameter, extra thick walls prevent cracking and improve ring seal.
• Extended cylinder barrels for improved piston support.
• Available deck heights: 8.200” (302) and 9.500” (351W) allow increased displacements up to 468 cubic inches.
• Steel 4-bolt main bearing caps are standard. Three center caps have splayed outer bolts for maximum strength.
• Two main bearing diameters: 302 (2.249”) or 351C (2.749”) allow choice of small or large journal crankshaft.
• Upgraded oiling system has been completely redesigned with a low restriction priority main oiling system with rear external oil pump feed.
• Reinforced head bolt bosses are blind tapped to prevent leaks and produce accurate torque readings. Extra thick decks prevent head gasket leaks.
• Parts kit included (Part# 32000048). Parts kits do not include cam bearings.

IRON EAGLE SPECS
Material: 220 BHN Cast Iron
Deck Heights: 8.200” or 9.500”
Cylinder Bores: 4.000” or 4.125”
4.185” (max)
Main Bearings: 302 or 351C
Main Caps: Steel 4-bolt
Lifter Provision: .875" tie bar
Restrictor Provision: Front & rear
Freeze Plugs: Press fi t
Weight: 178-210 lbs.

31394175 302 Iron Eagle Block Gen 2 Steel 302 8.200" 4.000"
31394275 302 Iron Eagle Block Gen 2 Steel 302 8.200" 4.125"
31394135 351 Iron Eagle Block Gen 2 Steel 302 9.500" 4.000"
31394235 351 Iron Eagle Block Gen 2 Steel 302 9.500" 4.125"
31395135 351 Iron Eagle Block Gen 2 Steel 351C 9.500" 4.000"
31395235 351 Iron Eagle Block Gen 2 Steel 351C 9.500" 4.125"