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Big M Sportsman Chevy Big Block Iron Block - 4.250 in. Bore, 10.200 in. Deck
Big M Sportsman Chevy Big Block Iron Block - 4.250 in. Bore, 10.200 in. Deck

Big M Sportsman Chevy Big Block Iron Block – 4.250 in. Bore, 10.200 in. Deck

Dart Big M2 Iron Big Block Chevy Blocks

  • Standard 9.800 and tall 10.200 deck heights
  • Standard 4.250, 4.500, 4.560 or 4.600 bore sizes with siamesed extra thick cylinder walLS2 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 in Ductile Iron have splayed outer bolts for extra strength
  • Lifter valley head stud bosses prevent blown head gaskets
  • Dual oil pan bolt patterns fit standard and notched oil pans
  • Parts kit sold separately
  • 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
SKU BGWK-31223354 Category

$ 5,464.51

Dart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. The Dart Big M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf big block components. The Big M2 is cast from premium high strength Iron and beefed up in all the critical areas. A competition oiling system ensures adequate lubrication to the main bearings at high RPM.

Additional Attributes:

GTIN: 00807051045925
Camshaft Lifter Bore: 0.842
Camshaft Location: Standard
Cylinder Bore Diameter: 4.250
Deck Height: 10.200
EBAY Category ID: 33613
Engine – Web: Big Block
Engine Block Material: 220 BHN Cast Iron
Engine Block Series: Big M Sportsman
Engine Block Weight: 250-280
Engine Type: ICE
Engine: Big Block
Freeze Plug Type: Press Fit
Industry: Automotive
Main Bearing Type: Standard
Main Cap Type: Ductile
Make – Web: Chevrolet
Make: Chevrolet
Material: 220 BHN Cast Iron
Product Type: Engine Block
Prop 65 (C, R or CR): CR
Prop 65 Yes/No: Yes
Rear Main Seal Type: 2-Piece
Rear Main Seal: 2-Piece

Extended Information:

Emissions : CARB Eligible
Life Cycle Status: Available To Order

Packaging:

Quantity of Each: 1
Package UOM: EA
Dimension: 22.25 x 20.5 x 15 inches
Weight: 315 PG

Information complémentaire

Poids142.88 kg
Dimensions22.25 × 20.5 × 15 cm

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