Dart Big M Iron Block 4.500 Bore 10.200 Deck Bare Block — Fits Big Block Chevy

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SKU: BGWK_31213454
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Sale price$4,319.99 Regular price$4,799.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Dart

Dart engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Dart lineup with fast shipping and expert fitment support — order with confidence.

Dart Big M Big Block Chevy Iron Bare Block

When you need to build a powerhouse, the Dart Big M iron bare block is the industry standard for Big Block Chevy performance. This block is specifically designed to handle the massive torque and horsepower demands of serious racing and high-performance street engines. With its superior material quality and precision engineering, the Big M provides a rock-solid foundation for your next engine build.

Technical Specifications

  • 4.500 inch cylinder bore for maximum displacement
  • 10.200 inch tall deck height for long-stroke crankshafts
  • 4-bolt main caps for extreme bottom-end stability
  • 2-piece rear main seal design
  • Heavy-duty iron casting for high-output applications

The Dart Big M is renowned for its thick cylinder walls and improved oiling systems, ensuring your engine stays lubricated and cool under extreme stress. This block is the preferred choice for builders looking to push their Big Block Chevy to the limit without compromising on reliability. Whether you are aiming for a high-revving track engine or a massive displacement street beast, the Big M delivers the performance and durability you need. Trust GGCRACING for your high-performance engine block requirements.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Dart

Dart engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Dart lineup with fast shipping and expert fitment support — order with confidence.

Dart Big M Big Block Chevy Iron Bare Block

When you need to build a powerhouse, the Dart Big M iron bare block is the industry standard for Big Block Chevy performance. This block is specifically designed to handle the massive torque and horsepower demands of serious racing and high-performance street engines. With its superior material quality and precision engineering, the Big M provides a rock-solid foundation for your next engine build.

Technical Specifications

  • 4.500 inch cylinder bore for maximum displacement
  • 10.200 inch tall deck height for long-stroke crankshafts
  • 4-bolt main caps for extreme bottom-end stability
  • 2-piece rear main seal design
  • Heavy-duty iron casting for high-output applications

The Dart Big M is renowned for its thick cylinder walls and improved oiling systems, ensuring your engine stays lubricated and cool under extreme stress. This block is the preferred choice for builders looking to push their Big Block Chevy to the limit without compromising on reliability. Whether you are aiming for a high-revving track engine or a massive displacement street beast, the Big M delivers the performance and durability you need. Trust GGCRACING for your high-performance engine block requirements.

Product Details

Product Description

About Dart

Dart engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Dart lineup with fast shipping and expert fitment support — order with confidence.

Dart Big M Big Block Chevy Iron Bare Block

When you need to build a powerhouse, the Dart Big M iron bare block is the industry standard for Big Block Chevy performance. This block is specifically designed to handle the massive torque and horsepower demands of serious racing and high-performance street engines. With its superior material quality and precision engineering, the Big M provides a rock-solid foundation for your next engine build.

Technical Specifications

  • 4.500 inch cylinder bore for maximum displacement
  • 10.200 inch tall deck height for long-stroke crankshafts
  • 4-bolt main caps for extreme bottom-end stability
  • 2-piece rear main seal design
  • Heavy-duty iron casting for high-output applications

The Dart Big M is renowned for its thick cylinder walls and improved oiling systems, ensuring your engine stays lubricated and cool under extreme stress. This block is the preferred choice for builders looking to push their Big Block Chevy to the limit without compromising on reliability. Whether you are aiming for a high-revving track engine or a massive displacement street beast, the Big M delivers the performance and durability you need. Trust GGCRACING for your high-performance engine block requirements.

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