Brodix BB3 Xtra BBC 345cc Aluminum Cylinder Head — Fits Big Block Chevy

SKU: BJBD_2031016
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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 Brodix

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

Watch in action

Unleash Massive Power with Brodix BB3 Xtra

The Brodix BB3 Xtra is the ultimate choice for Big Block Chevy builders demanding extreme airflow and reliability. With a massive 345cc intake runner and a 119cc combustion chamber, this head is designed to support high-horsepower applications where every CFM counts. These heads are precision-engineered to provide exceptional port velocity and cooling, ensuring your engine performs at its peak under heavy load.

Performance Specifications

  • Intake Runner: 345cc
  • Chamber Volume: 119cc
  • Valves: 2.300" Intake / 1.880" Exhaust
  • Springs: 1.645" Diameter
  • Plug Style: Angle Plug
  • Material: Durable Aluminum

Built for the track, the BB3 Xtra series features thick deck surfaces and reinforced wall construction to handle high compression and aggressive camshaft profiles. The assembled configuration includes premium components, allowing for a seamless installation on your race engine. Whether you are drag racing or pulling, these heads provide the structural integrity and airflow necessary to dominate the competition. Upgrade your Big Block Chevy with the best in the industry. For expert advice and quality parts, choose GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Brodix

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

Watch in action

Unleash Massive Power with Brodix BB3 Xtra

The Brodix BB3 Xtra is the ultimate choice for Big Block Chevy builders demanding extreme airflow and reliability. With a massive 345cc intake runner and a 119cc combustion chamber, this head is designed to support high-horsepower applications where every CFM counts. These heads are precision-engineered to provide exceptional port velocity and cooling, ensuring your engine performs at its peak under heavy load.

Performance Specifications

  • Intake Runner: 345cc
  • Chamber Volume: 119cc
  • Valves: 2.300" Intake / 1.880" Exhaust
  • Springs: 1.645" Diameter
  • Plug Style: Angle Plug
  • Material: Durable Aluminum

Built for the track, the BB3 Xtra series features thick deck surfaces and reinforced wall construction to handle high compression and aggressive camshaft profiles. The assembled configuration includes premium components, allowing for a seamless installation on your race engine. Whether you are drag racing or pulling, these heads provide the structural integrity and airflow necessary to dominate the competition. Upgrade your Big Block Chevy with the best in the industry. For expert advice and quality parts, choose GGCRACING.

Product Details

Product Description

About Brodix

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

Watch in action

Unleash Massive Power with Brodix BB3 Xtra

The Brodix BB3 Xtra is the ultimate choice for Big Block Chevy builders demanding extreme airflow and reliability. With a massive 345cc intake runner and a 119cc combustion chamber, this head is designed to support high-horsepower applications where every CFM counts. These heads are precision-engineered to provide exceptional port velocity and cooling, ensuring your engine performs at its peak under heavy load.

Performance Specifications

  • Intake Runner: 345cc
  • Chamber Volume: 119cc
  • Valves: 2.300" Intake / 1.880" Exhaust
  • Springs: 1.645" Diameter
  • Plug Style: Angle Plug
  • Material: Durable Aluminum

Built for the track, the BB3 Xtra series features thick deck surfaces and reinforced wall construction to handle high compression and aggressive camshaft profiles. The assembled configuration includes premium components, allowing for a seamless installation on your race engine. Whether you are drag racing or pulling, these heads provide the structural integrity and airflow necessary to dominate the competition. Upgrade your Big Block Chevy with the best in the industry. For expert advice and quality parts, choose GGCRACING.

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