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Dart Big M Block 10.200 Deck 4.500 Bore PN 31263454

Dart Big M Block 10.200 Deck 4.500 Bore PN 31263454

$ 1557.57

Availability: 100 in stock
  • Custom Bundle: No
  • Surface Finish: Cast Iron
  • Item must be returned within: 14 Days
  • Return shipping will be paid by: Buyer
  • Condition: New
  • Brand: Dart
  • Refund will be given as: Money back or replacement (buyer's choice)
  • Non-Domestic Product: No
  • Manufacturer Part Number: 31263454
  • Returns Accepted: Returns Accepted
  • Restocking Fee: No
  • Country/Region of Manufacture: United States
  • Modified Item: No

    Description

    Dart Big M Big Block Chevy 10.200 Deck 4.500 Bore Ductile Caps PN
    31263454
    Dart engineered the Big M to be the strongest, most reliable and easiest to build big block on the market today. The Big M block is fitted with steel billet 4 bolt main caps and is also available in 9.800 deck and bores ranging from 4.250 to 4.600. We also carry the Big M Sportsman line with ductile main caps, check out our ebay store or send us a message.
    Specs
    • Standard 10.200 deck.
    •
    4.500” with siamesed extra thick cylinder
    walls to resist cracking and improve ring seal (minimum .300” thick with 4.625” bore).
    • Uses +.300” tall Gen VI style lifters. Modification for Gen IV style available.
    • 4-bolt main bearing caps steel billet splayed outer bolts for extra strength.
    • True priority main oil system lubricates the main bearings before the lifters. Our stepped main oil gallery (9/16“ to 1/2“ to 7/16“) increases the flow of oil to the crank at high RPM,
    and our front oil crossover eliminates internal oil leaks around the distributor shaft.
    • Lifter valley head stud bosses prevent blown head gaskets.
    • Dual oil pan bolt patterns fit standard and notched oil pans.
    • Big M Parts kit sold separately (PN 32000002).
    We also carry many other parts, new & used. Dart Blocks, Dart & Brodix Cylinder Heads, Intake manifolds, Crankshafts, Rods, Pistons and everything else under the sun. Call or message us with your needs.
    Albert
    Cobra Power
    305-893-5018
    Freight
    All blocks are shipped via ground freight truck. We recommend having your block shipped to a commercial location with a loading dock and or forklift truck on site. All residential shipments and lift gates will cost extra. Please leave a message with your shipping address for a quote on freight.