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
  • HIP (Hot Isostatic Pressed) Casting
  • Parts kit included (PN 32000006)
  • 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

Information:

Dart Big M Aluminum Big Block Chevy Blocks
Attributes
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Camshaft Lifter Bore 0.842
Camshaft Location Standard
Category Engine Blocks and Accessories
Category Hierarchy Blocks>Big Block Chevy>BIG M Blocks
Country of Origin (Primary) US
Cylinder Bore Diameter 4.500
Deck Height 9.800
EBAY Category ID 33613
Emission Code Legal US
Engine Big Block
Engine - Web Big Block
Engine Block Material RMR Cast Aluminum Alloy
Engine Block Series Big M
Engine Block Weight 144
Engine Type ICE
Freeze Plug Type Screw-in
Hazardous Material Code N
Industry Automotive
Life Cycle Status Code Available to Order
Main Bearing Type Standard
Main Cap Type Steel
Make Chevrolet
Make - Web Chevrolet
Material RMR Cast Aluminum Alloy
NAFTA Preference Criterion Code B
Product Type Engine Block
Rear Main Seal 2-Piece
Rear Main Seal Type 2-Piece
SDR Required Flag N
Series BBC Big M Aluminum Engine Blocks
Subcategory Engine Blocks
Title - Web Big M Chevy Big Block Aluminum Block - 4.500 in. Bore, 9.800 in. Deck
Warranty Time 30
GTIN 00807051017199