Chevrolet Performance BBC Gen VI Bare Engine Block — Fits Big Block Chevy

SKU: FMQX_19434240
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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 Chevrolet Performance Parts

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

Watch in action

The Foundation of Power: Gen VI Big Block Bare Engine Block

Start your custom engine build on the right foot with the Chevrolet Performance Gen VI Big Block Bare Engine Block. Engineered for maximum strength and versatility, this iron block is the ideal starting point for high-horsepower builds. Whether you are aiming for a street-strip monster or a dedicated racing engine, this block provides the structural integrity required to handle extreme pressures and high RPMs.

Technical Specifications

  • Generation: Mark IV / Gen VI compatible
  • Bore: 4.500 inches
  • Deck Height: 9.800 inches
  • Main Caps: 4-bolt mains for superior bottom-end stability
  • Rear Main Seal: 1-piece design for improved sealing
  • Material: High-strength cast iron

This bare block is precision-machined to ensure a perfect foundation for your rotating assembly. Its robust design allows for significant displacement increases and power-adder compatibility, making it a favorite among professional engine builders and serious enthusiasts alike. By choosing a genuine Chevrolet Performance block, you ensure compatibility and quality that aftermarket alternatives simply cannot match. Take your engine build to the next level with the professional-grade components available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Chevrolet Performance Parts

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

Watch in action

The Foundation of Power: Gen VI Big Block Bare Engine Block

Start your custom engine build on the right foot with the Chevrolet Performance Gen VI Big Block Bare Engine Block. Engineered for maximum strength and versatility, this iron block is the ideal starting point for high-horsepower builds. Whether you are aiming for a street-strip monster or a dedicated racing engine, this block provides the structural integrity required to handle extreme pressures and high RPMs.

Technical Specifications

  • Generation: Mark IV / Gen VI compatible
  • Bore: 4.500 inches
  • Deck Height: 9.800 inches
  • Main Caps: 4-bolt mains for superior bottom-end stability
  • Rear Main Seal: 1-piece design for improved sealing
  • Material: High-strength cast iron

This bare block is precision-machined to ensure a perfect foundation for your rotating assembly. Its robust design allows for significant displacement increases and power-adder compatibility, making it a favorite among professional engine builders and serious enthusiasts alike. By choosing a genuine Chevrolet Performance block, you ensure compatibility and quality that aftermarket alternatives simply cannot match. Take your engine build to the next level with the professional-grade components available at GGCRACING.

Product Details

Product Description

About Chevrolet Performance Parts

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

Watch in action

The Foundation of Power: Gen VI Big Block Bare Engine Block

Start your custom engine build on the right foot with the Chevrolet Performance Gen VI Big Block Bare Engine Block. Engineered for maximum strength and versatility, this iron block is the ideal starting point for high-horsepower builds. Whether you are aiming for a street-strip monster or a dedicated racing engine, this block provides the structural integrity required to handle extreme pressures and high RPMs.

Technical Specifications

  • Generation: Mark IV / Gen VI compatible
  • Bore: 4.500 inches
  • Deck Height: 9.800 inches
  • Main Caps: 4-bolt mains for superior bottom-end stability
  • Rear Main Seal: 1-piece design for improved sealing
  • Material: High-strength cast iron

This bare block is precision-machined to ensure a perfect foundation for your rotating assembly. Its robust design allows for significant displacement increases and power-adder compatibility, making it a favorite among professional engine builders and serious enthusiasts alike. By choosing a genuine Chevrolet Performance block, you ensure compatibility and quality that aftermarket alternatives simply cannot match. Take your engine build to the next level with the professional-grade components available at GGCRACING.

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