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Guaranteed Fitment
Always the correct part
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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.
- Standard 9.800?, 10.200? and 10.400" 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); Available in .400? raised cam; Uses +.300? tall GEN VI style lifters. Modification for MRK IV style available; 4-bolt main bearing caps in steel or ductile iron have splayed outer bolts for extra strength; Lifter valley head stud bosses help prevent blown head gaskets; Easy to install AN fitting oil gallery plugs
Attributes:
- Brand Name: Dart
- GTIN: 00807051047240
- Camshaft Lifter Bore: 0.842
- Camshaft Location: Raised 0.400 IN
- Cylinder Bore Diameter: 4.250
- Deck Height: 10.400
- Engine: Big Block
- Engine - Web: Big Block
- Engine Block Series: Big M2 Pro
- Engine Type: ICE
- Industry: Automotive
- Main Bearing Type: Standard
- Main Cap Type: Ductile
- Make: Chevrolet
- Make - Web: Chevrolet
- Product Type: Engine Block
Extended Information:
- Country of Origin: US
- Emissions : CARB Eligible
- Life Cycle Status: Available To Order
Packing Information:
- Quantity of Each: 1
- Package UOM: EA
- Dimension: 22.250 x 20.500 x 15.000 inches
- Weight: 315.000 lb
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Shipping + Returns Shipping Policy We aim to provide a seamless shipping experience, ensuring your order arrives on time and in perfect condition. Orders are typically processed within 1-2 business days, and shipping times vary based on your location. You will receive a tracking number as soon as your order is dispatched. We offer both standard and expedited shipping options. Please note, delivery times may be affected by holidays or high demand periods. International Shipping For international orders, shipping costs and delivery times will depend on the destination. Additional customs fees may apply, which are the responsibility of the customer. Returns Policy We want you to be completely satisfied with your purchase. If you need to return an item, please contact us within 30 days of receiving it. To be eligible for a return, items must be unused, in original condition, and with all tags attached. How to Initiate a Return To start a return, contact our customer support team with your order number and reason for return. Once approved, we’ll provide instructions on how and where to send your package. Please note that return shipping costs are the responsibility of the customer, unless the item was damaged or incorrect upon arrival. Refunds Once we receive your returned item, our team will inspect it and process your refund. You’ll receive a confirmation email once your refund is complete, typically within 5-7 business days.