Dart® 31223344 - Big M Engine Block

0 reviews|Item # mpn4689770788
Engine Type Specific
Fitment notes:
  • Fits Following Engines: 348 CID Chevy Big Block V8
  • Fits Following Engines: 396 CID Chevy Big Block V8
  • Fits Following Engines: 409 CID Chevy Big Block V8
  • Fits Following Engines: 427 Chevy Big Block V8 (Mark I "Z11")
  • Fits Following Engines: 427 CID Chevy Big Block V8
  • Fits Following Engines: 454 CID Chevy Big Block V8
  • Fits Following Engines: 496 CID Chevy Big Block V8
  • Fits Following Engines: 402 CID Chevy Big Block V8
  • Fits Following Engines: 366 CID Chevy Big Block V8
Notes:
  • This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME.
Authorized Dealer
$4,026.60
In Stock (1) - Ships within 24 hrs
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Vehicle Fitment

This part is universal
  • Fits Following Engines: 348 CID Chevy Big Block V8
  • Fits Following Engines: 396 CID Chevy Big Block V8
  • Fits Following Engines: 409 CID Chevy Big Block V8
  • Fits Following Engines: 427 Chevy Big Block V8 (Mark I "Z11")
  • Fits Following Engines: 427 CID Chevy Big Block V8
  • Fits Following Engines: 454 CID Chevy Big Block V8
  • Fits Following Engines: 496 CID Chevy Big Block V8
  • Fits Following Engines: 402 CID Chevy Big Block V8
  • Fits Following Engines: 366 CID Chevy Big Block V8

Specifications

Main Journal Type
Standard BBC
Engine Block Style
Stock/OEM standard deck
Deck Height (in)
9.800 in.
Cylinder Bore as Shipped
4.240 in.
Cylinder Bore Diameter
4.250 in.
Maximum Bore Diameter
4.625 in.
Engine Block Material
Cast iron
Engine Block Weight (lbs)
280 lbs.
Main Bolt Style
4-bolt
Main Cap Material
Ductile iron
Rear Main Seal Style
2-piece

Includes

  • Engine Block
  • Main Caps
  • Main Cap Fasteners
  • Cam Bearings
  • Freeze Plugs

Features

  • Designed to unlock more performance out of your vehicle
  • Deliver a reasonable balance of strength and durability
  • Premium construction built with unmatched quality standards
  • Ensure smooth, reliable operation and long-lasting service

Product Details

Big M Engine Block (31223344) by Dart®. The Big M block gives you the versatility to build a wide variety of engine combinations. A true priority main oiling system oils the main bearings before the lifters for extra reliability. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get your vehicle back on the road faster and easier.

Brand:
Part Number:
31223344

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