Dart aluminum big-block V-8s deliver big power in a lightweight package. Based on the Chevrolet big-block V8 design, these new aluminum blocks feature extra strengthening in critical areas, increased displacement capacity, true priority main oiling and precision CNC machining. Conventional configuration that retains all production dimensions for compatability with standard components. Advanced engineering makes Dart aluminum big-blocks the choice for serious competition.

• Premium alloy: Dart aluminum blocks are cast from virgin 355-T6 aerospace alloy for superior strength and integrity
• Ductile iron sleeves with extra-thick walls promote excellent ring seal
• Reinforcing ribs strengthen the lifter valley and bellhousing flange
• Inboard valley head stud bosses improve head gasket sealing
• Priority main oiling system delivers oil directly to the crankshaft bearings to enhance reliability at high engine speeds
• 9.800” or 10.200” Deck Heights
• 4.250”, 4.500” or 4.600” Bore Size
• Standard Cam Bore / Other Options Available
• Std. BBC Lifter Bores / Other Options Available
• Steel 4-Bolt Main Caps, Ductile Iron and Aluminum Caps Optional
• Dual Oil Pan Bolt Patterns
• Average weight 140 lbs.