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Aluminum Big Block & Timing Chain Cover Special! |
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Buy a raised cam aluminum Chevy big block and get a free raised cam timing chain cover!
With extra strengthening in critical areas, increased displacement capacity, true priority main oiling and precision CNC machining, these 140-pound aluminum big-blocks are the choice for serious competition.
These blocks are manufactured from virgin C355-T61 aerospace aluminum alloy and machined in-house by Dart technicians to ensure absolute quality.
Dart aluminum blocks feature ductile iron sleeves with extra-thick walls that promote excellent ring seal. Reinforcing ribs strengthen the lifter valley and bellhousing flange, and inboard head stud bosses clamp down on head gasket leaks. The priority main oiling system delivers oil directly to the crankshaft bearings to enhance reliability at high engine speeds.
Includes coated cam bearings, freeze plugs and dowels.
The raised cam location provides more clearance for long stroke rotating assemblies and permits the use of shorter, stiffer pushrods for improved valvetrain dynamics. |
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