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Big M Chevorlet Big Block Aluminum Block – 4.600 in. Bore, 9.800 in. Deck

Your Price: $7,209.99

SKU: 31264644

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Dart Big M Aluminum Big Block Chevy Blocks

Based on the Chevrolet big block V8 design, these 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 compatibility with standard components. Advanced engineering makes Dart Aluminum big blocks the choice for serious competition.
Standard 9.800” or 10.200” tall deck heights available for stroker engines; 4.250”, 4.500” or 4.600” bore sizes standard; Ductile Iron sleeves with extra thick cylinder walLS2 promote excellent ring seal; Reinforcing ribs strengthen the lifter valley and bell housing 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; Steel 4-Bolt main caps or Ductile Iron and optional Aluminum caps. Splayed outer bolts for extra strength; Dual bolt patterns for standard BBC and notched oil pans; HIP (Hot Isostatic Pressed) Casting; Parts kit included (PN 32000006)

SKU: 31264644 Categories: , ,

GTIN: 00807051017250



Camshaft Location


Cylinder Bore Diameter

4.600 IN

Deck Height

9.800 IN

Engine Block Weight

136 LBS

Freeze Plug Type


Camshaft Lifter Bore

0.842 IN

Main Bearing Type



RMR Cast Aluminum Alloy

Rear Main Seal Type


Engine Type


Product Type

Engine Block