BIG M IRON BIG BLOCK CHEVY BLOCKS-Quality Guarantee

Description

Product

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 Block – Bare; Big M; Performance; Chevy Big Block; 220 BHN Cast Iron; 4.500 Inch Bore; 9.800 Inch Deck Height; Steel Main Caps; 2 Piece Rear Main Seal; 0.842 Inch Camshaft Lifter Bore; 250 To 280 LBS Engine Block Weight

Attributes

• 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
• Cylinder Deck Height (IN): 9.8 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

Features & Benefits

• 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
• Limited 6 Month Warranty