Race Series Ford 351 Windsor Aluminum Block – 4.000 in. Bore, 9.200 in. Deck

Dart Aluminum Small Block Ford Blocks

• Premium alloy: Dart Aluminum blocks are cast from RMR cast Aluminum alloy for superior strength and integrity
• Parts kit included (PN 32000004)
• Extended cylinder barreLS2 for improved piston support
• Four deck heights: 8.200 (302), 8.700 (stroker 302), 9.200 (351C) and 9.500 (351W) allow displacements up to 450 cubic inches
• Siamesed cylinders: Standard 4.000 or 4.125 cylinders can be safely bored to 4.165 diameter. Ductile Iron sleeves and extra thick walLS2 prevent cracking and produce excellent ring seal
• Steel 4-bolt main bearing caps are standard. Three center caps have splayed outer bolts for maximum strength
• rear cap uses standard one piece seal
• Upgraded oiling system has been completely redesigned with a low restriction priority main oiling system with rear external oil pump feed
• Dual crossovers allow oil flow to be metered with restrictors for roller lifter cams and/or roller rocker arms to reduce oil flow and windage
• Reinforced head bolt bosses are blind tapped to prevent leaks and produce accurate torque readings. Extra thick decks prevent head gasket leaks