Dart engineered the Big M to be the strongest, most reliable and easiest to build big block on the market. With deck heights of 9.800 Inch and 10.200 Inch and bore sizes up to 4.600 Inch, the Big M gives you the versatility to build a wide variety of

Dart 31213454 Engine Block - Bare

click to enlarge

Description

Dart engineered the Big M to be the strongest, most reliable and easiest to build big block on the market. With deck heights of 9.800 Inch and 10.200 Inch and bore sizes up to 4.600 Inch, the Big M gives you the versatility to build a wide variety of engine combinations. The Big M is fitted with Billet Steel 4-bolt main caps for ultimate bottom end strength.



Recommended Use: Performance

Block Type: Chevy Big Block

Finish: Bare

Finished Cylinder Bores: No

Color: Gray

Material: Cast Iron

Journal Type: 454 Main Journal

Cylinder Bore (IN): 4-1/2 Inch

Main Bolt Style: 4-Bolt

Main Cap Material: Billet Steel

Weight (LB): 280 Pound

Rear Main Seal Style: 2-Piece

Includes Freeze Plugs: Yes

Includes Cam Bearings: No

Includes Main Cap Fasteners: Yes

Engine Block - Bare; Big M; Performance; Chevy Big Block; 220 BHN Cast Iron; 4.500 Inch Bore; 10.200 Inch Deck Height; Steel Main Caps; 2 Piece Rear Main Seal; 0.842 Inch Camshaft Lifter Bore; 250 To 280 LBS Engine Block Weight

Cast From Premium High Strength Iron And Beefed Up In All The Critical Areas

Competition Oiling System Ensures Adequate Lubrication To The Main Bearings At High RPM

Features 4-Bolt Main Bearing Caps In Steel Have Splayed Outer Bolts For Extra Strength

True Priority Main Oil System Lubricates The Main Bearings Before The Lifters

Lifter Valley Head Stud Bosses Prevent Blown Head Gaskets

Dual Oil Pan Bolt Patterns Fi T Standard And Notched Oil Pans

Recommended Use:

Performance

Block Type:

Vehicle Fitment Summary

To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in the Compatibility Table. Also review the notes section in the Compatibility Chart for additional specifications about this part.

Years
Make
Model
Submodel
Type
Engine
Engine Type
Engine Size
Engine Size (Cc)
Engine Horsepower
Fuel Type
Transmission
Interchange
Fitment
Vehicles

VISA, MasterCard, PayPal, Discover and American Express through eBay Payments

All orders shipped FREE within the continental US. 

For orders delivered within the continental US where the reason for return isn't a result of a Shop Tucky’s error, the cost of the initial shipping charge and a return fee will be deducted from your refund. If you refuse delivery or the carrier returns a package because you provided an invalid address, the cost of return shipping will be deducted from your refund. A prepaid shipping label(s) will be provided.

30-Day Return Policy

We accept authorized returns within 30 calendar days from the date the product was received by the buyer. All returns must be preapproved and have a Return Merchandise Authorization (RMA) before returning. All authorized returns must be unused and in their original packaging, including all items and components that were included in the original package. We will not accept items that have been disassembled, mounted, modified, or damaged due to incorrect installation or user error.


If your shipment arrived with a damaged or incorrect item, please repackage the item in the original shipping container and refer to our Return Procedure. Upon receiving your order, inspect all packages thoroughly for missing, damaged, or incorrect parts. If you receive missing, damaged, or incorrect parts, please contact us immediately and provide pictures so we can assist you in processing a return for replacement or refund. We are not responsible for missing, damaged, or incorrect parts after 30 calendar days for all products, regardless of the party at fault. Shop Tucky’s will not be held responsible for installation or labor expenses, towing expenses, additional repair expenses, or rental car expenses caused by using the wrong or defective part during installation.

For orders delivered within the continental US where the reason for return isn't a result of a Shop Tucky’s error, the cost of the initial shipping charge and a return fee will be deducted from your refund. If you refuse delivery or the carrier returns a package because you provided an invalid address, the cost of return shipping will be deducted from your refund. A prepaid shipping label(s) will be provided. 

Welcome to Shop Tucky's - Your One-Stop Shop for Automotive, Boating, RV, Sporting Goods, Home & Garden, and Electronics

Shop Tucky's is a premier retail destination located in the vibrant city of Eagan, Minnesota. As an all-encompassing store, we offer a wide range of top-tier products and services designed to cater to the diverse needs of businesses, consumers, and government entities.

At Shop Tucky's, our mission is to provide an exceptional shopping experience that exceeds customer expectations. Whether you are an individual looking to upgrade your car, a business in need of premium supplies, or a government agency seeking reliable procurement partners – we have got you covered!

We take pride in offering an extensive selection of automotive parts and accessories, boating supplies and accessories, recreational vehicle supplies and accessories, sporting goods, home and garden essentials, as well as cutting-edge electronics. Our carefully curated inventory features premium brands known for their excellence and reliability, ensuring that you will find nothing short of the best at Shop Tucky's.

What sets us apart from the competition is not only our top-quality products but also our commitment to exemplary service. Our knowledgeable and friendly team is always ready to assist you in finding precisely what you need and provide expert advice if required. We understand the value of time, which is why we offer quick delivery options so that you can enjoy your purchases without delay.

Furthermore, our hassle-free returns policy ensures that you can shop with confidence, knowing that if you're not completely satisfied with your purchase, we will readily assist you in making returns or exchanges. We believe in building long-lasting customer relationships based on trust and satisfaction.

So, whether you're a car enthusiast, a boating aficionado, an outdoor adventure seeker, or someone who appreciates top-notch electronics – Shop Tucky's is the ultimate destination for all your needs. Join us today and experience the convenience, quality, and reliability that only Shop Tucky's can deliver!

Click Here to contact us