ATI Performance Crank Hub & Inner Shell Steel 1/4 Keyway — Fits Big Block Chevy

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SKU: BHZJ_916890K
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ATI Performance Crank Hub and Inner Shell for BBCEnsure the ...Read More

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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

ATI Performance Crank Hub and Inner Shell for BBC

Ensure the longevity of your Big Block Chevy engine with the ATI Performance Crank Hub and Inner Shell assembly. This kit is designed to provide a rock-solid foundation for your harmonic balancer, featuring a 1/4-inch keyway to ensure precise timing and prevent slippage under high-load conditions. Manufactured from high-grade steel and finished in a protective black oxide, this assembly is built to withstand the intense vibrations and stresses of high-performance racing engines.

Performance Benefits

  • Application: Big Block Chevy (BBC)
  • Includes: Crank hub and inner shell
  • Keyway: 1/4 inch for secure fitment
  • Material: Heavy-duty steel
  • Finish: Black oxide coating
  • Designed for maximum harmonic dampening efficiency

Proper harmonic balancer installation is the difference between a long-lasting engine and a catastrophic failure. The ATI Performance hub and shell assembly provides the necessary clearance and structural support to keep your balancer functioning optimally. By utilizing a keyed design, you eliminate the risk of the balancer rotating on the crankshaft, which is vital for maintaining accurate ignition timing and protecting your main bearings. This kit is a professional-grade solution for engine builders who refuse to compromise on quality. Whether you are refreshing a classic big block or building a new drag racing powerhouse, this component offers the durability you need. Discover the difference quality parts make for your engine build at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

ATI Performance Crank Hub and Inner Shell for BBC

Ensure the longevity of your Big Block Chevy engine with the ATI Performance Crank Hub and Inner Shell assembly. This kit is designed to provide a rock-solid foundation for your harmonic balancer, featuring a 1/4-inch keyway to ensure precise timing and prevent slippage under high-load conditions. Manufactured from high-grade steel and finished in a protective black oxide, this assembly is built to withstand the intense vibrations and stresses of high-performance racing engines.

Performance Benefits

  • Application: Big Block Chevy (BBC)
  • Includes: Crank hub and inner shell
  • Keyway: 1/4 inch for secure fitment
  • Material: Heavy-duty steel
  • Finish: Black oxide coating
  • Designed for maximum harmonic dampening efficiency

Proper harmonic balancer installation is the difference between a long-lasting engine and a catastrophic failure. The ATI Performance hub and shell assembly provides the necessary clearance and structural support to keep your balancer functioning optimally. By utilizing a keyed design, you eliminate the risk of the balancer rotating on the crankshaft, which is vital for maintaining accurate ignition timing and protecting your main bearings. This kit is a professional-grade solution for engine builders who refuse to compromise on quality. Whether you are refreshing a classic big block or building a new drag racing powerhouse, this component offers the durability you need. Discover the difference quality parts make for your engine build at GGCRACING.

Product Details

Product Description

ATI Performance Crank Hub and Inner Shell for BBC

Ensure the longevity of your Big Block Chevy engine with the ATI Performance Crank Hub and Inner Shell assembly. This kit is designed to provide a rock-solid foundation for your harmonic balancer, featuring a 1/4-inch keyway to ensure precise timing and prevent slippage under high-load conditions. Manufactured from high-grade steel and finished in a protective black oxide, this assembly is built to withstand the intense vibrations and stresses of high-performance racing engines.

Performance Benefits

  • Application: Big Block Chevy (BBC)
  • Includes: Crank hub and inner shell
  • Keyway: 1/4 inch for secure fitment
  • Material: Heavy-duty steel
  • Finish: Black oxide coating
  • Designed for maximum harmonic dampening efficiency

Proper harmonic balancer installation is the difference between a long-lasting engine and a catastrophic failure. The ATI Performance hub and shell assembly provides the necessary clearance and structural support to keep your balancer functioning optimally. By utilizing a keyed design, you eliminate the risk of the balancer rotating on the crankshaft, which is vital for maintaining accurate ignition timing and protecting your main bearings. This kit is a professional-grade solution for engine builders who refuse to compromise on quality. Whether you are refreshing a classic big block or building a new drag racing powerhouse, this component offers the durability you need. Discover the difference quality parts make for your engine build at GGCRACING.

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