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Dart 31263344 Engine Block

Manufacturer

Dart

<p>Dart is committed to producing the best engine components available. All development, machining and assembly are done at Dart&rsquo;s own facilities in order to maintain the highest standards of quality. State of the art CNC machining centers, a computer controlled dynamometer and the proprietary &ldquo;Speed Flow&rdquo; technology / wet flow bench are among the assets which contribute to &ldquo;the Dart advantage&rdquo;.</p>

Picture for manufacturer Dart 63121202 Valvetrain

Part Number

31263344
14 reviews
04/18/2034 8:56 PM
Sale Price

$2,880.33

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Fitment guaranteed

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Product Details

Dart 31263344 Engine Block

The Big M Sportsman block was designed to be an affordable, powerful engine block. The Sportsman block is fitted with ductile iron 4-bolt main caps, and feaures a redesigned lubrication system that oils all of the main bearings before the lifters for extra reliability. We added two slotted head stud bosses on both sides of the lifter valley so you can use studs instead of hard-to-install bolts to take the place of the "missing" head bolts. Dart blocks are machined in-house on precision CNC equipment to ensure quality and to eliminate the need for expensive "blueprinting". Specifications: Standard main size, 9.800 deck height, 4.250 bore, ductile iron main caps.

  • Made start to finish in the U.S.A.
  • Works with virtually all factory standard parts.
  • Proven technology tested for the race track and for the street.
  • Cast from premium iron alloy.
  • Developed to produce maximum horsepower, strength and reliability.

Products specifications

Cam Bearings Included

Yes

Cyl Bore

4.250in

Cylinder Bore as Shipped

4.250 in.

Deck

9.800in

Deck Height (in)

9.800 in.

Engine Block Material

Cast iron

Engine Block Style

Stock/OEM standard deck

Engine Block Weight (lbs)

280 lbs.

Finished Cylinder Bores

Yes

Freeze Plugs Included

Yes

Main Bearings Included

No

Main Bolt Style

4-bolt

Main Cap Fasteners Included

Yes

Main Cap Material

Steel billet

Main Caps Included

Yes

Main Journal Type

OEM

Maximum Cylinder Bore Diameter

4.625 in.

Quantity

Sold individually.

Raised Cam Location

No

Rear Main Seal Style

2-piece

Tool

Stroker Combinations

Very satisfied

Fast and easy

good price, fast shipping

Satisfied!

Ordering was very easy and user friendly

So far, so good.

Really easy

I'm very satisfied with the product and speedy delivery thanks.

Excellent transaction, ordered on Monday received my goods on Wednesday...

Great Price! Fast Shipping!

I just finished a transaction with this company and decided to write my very first post, based upon my experience with them. To be honest, a few short hours ago I was wary of how this would turn out. There had been a miscommunication with shipping and it started to go down hill. Lo and behold, something happened that is rare today. The company, from top to bottom put all of their efforts together, communicated with me even during a Holiday and rectified the situation. Not only would I recommend Autoplicity to others but implore potential customers to use them confidently. Their work ethics and customer service is top notch and I am very grateful for my renewed trust that there is more than just big box, fast food companies out there. Thank you again!!

Autoplicity saved me over $300 on just one item!!! I can't wait to receive my Borla Atak Exhaust and install it on my new 5.0L F150. Thanks Autoplicity!!!

Great prices and item shipped quick!

Fast / Easy Straightforward

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