Dart Engine Block Aluminium 4-Bolt Mains 1-Piece Rear Seal SBF 8.200 31344175
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Notes: Engine Block Aluminium 4-Bolt Mains 1-Piece Rear Seal SBF 8.200 in. Deck 4.000 in. Bore 302
With pressed-in dry sleeves, upgraded oiling and steel 4-bolt main caps, Darts Aluminum blocks have the features that Ford racers need to build powerful and reliable engines. Features: Premium alloy: Dart Aluminum blocks are cast from RMR cast Aluminum alloy for superior strength and integrity. Extended cylinder barrels for improved piston support. Four deck heights: 8.200in. (302), 8.700in. (stroker 302), 9.200in. (351C) and 9.500in. (351W) allow displacements up to 450 cubic inches. Siamesed cylinders: Standard 4.000in. or 4.125in. cylinders can be safely bored to 4.165in. diameter. Ductile Iron sleeves and extra thick walls 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.