Akerly & Childs Piston Ring Compressor 4.155 Bore — Tapered Aluminum Sleeve

SKU: GBRW_AC-RC4155
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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 Akerly & Childs

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

Watch in action

Precision 4.155 Bore Piston Ring Compressor

Engine assembly is a delicate process that requires the right tools to ensure longevity and performance. The Akerly & Childs 4.155-inch tapered piston ring compressor is specifically designed for engines with this bore size, offering a reliable, friction-free way to install pistons. By using a fixed-bore tapered sleeve, you ensure that every ring is compressed to the exact specification required, preventing damage and ensuring a perfect seal every time.

Why Builders Prefer Akerly & Childs

  • Exact Fit: Precision-machined for 4.155-inch cylinder bores.
  • Tapered Geometry: Allows for smooth, damage-free ring compression.
  • Lightweight Aluminum: High-quality material for easy handling.
  • Anodized Finish: Black finish for increased durability and reduced friction.
  • Consistent Results: Eliminates the variability of universal tools.

The tapered design of this compressor acts as a guide, gently compressing the rings as the piston is inserted. This prevents the rings from catching on the cylinder deck, which is a common cause of ring failure and cylinder wall damage. For those building high-performance or racing engines, this tool is indispensable. It provides the consistency needed for professional-grade assembly, ensuring that your engine performs at its peak from the very first start. The durable aluminum construction ensures that this tool will remain a staple in your toolbox for years to come. For all your engine building needs, trust the selection at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Akerly & Childs

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

Watch in action

Precision 4.155 Bore Piston Ring Compressor

Engine assembly is a delicate process that requires the right tools to ensure longevity and performance. The Akerly & Childs 4.155-inch tapered piston ring compressor is specifically designed for engines with this bore size, offering a reliable, friction-free way to install pistons. By using a fixed-bore tapered sleeve, you ensure that every ring is compressed to the exact specification required, preventing damage and ensuring a perfect seal every time.

Why Builders Prefer Akerly & Childs

  • Exact Fit: Precision-machined for 4.155-inch cylinder bores.
  • Tapered Geometry: Allows for smooth, damage-free ring compression.
  • Lightweight Aluminum: High-quality material for easy handling.
  • Anodized Finish: Black finish for increased durability and reduced friction.
  • Consistent Results: Eliminates the variability of universal tools.

The tapered design of this compressor acts as a guide, gently compressing the rings as the piston is inserted. This prevents the rings from catching on the cylinder deck, which is a common cause of ring failure and cylinder wall damage. For those building high-performance or racing engines, this tool is indispensable. It provides the consistency needed for professional-grade assembly, ensuring that your engine performs at its peak from the very first start. The durable aluminum construction ensures that this tool will remain a staple in your toolbox for years to come. For all your engine building needs, trust the selection at GGCRACING.

Product Details

Product Description

About Akerly & Childs

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

Watch in action

Precision 4.155 Bore Piston Ring Compressor

Engine assembly is a delicate process that requires the right tools to ensure longevity and performance. The Akerly & Childs 4.155-inch tapered piston ring compressor is specifically designed for engines with this bore size, offering a reliable, friction-free way to install pistons. By using a fixed-bore tapered sleeve, you ensure that every ring is compressed to the exact specification required, preventing damage and ensuring a perfect seal every time.

Why Builders Prefer Akerly & Childs

  • Exact Fit: Precision-machined for 4.155-inch cylinder bores.
  • Tapered Geometry: Allows for smooth, damage-free ring compression.
  • Lightweight Aluminum: High-quality material for easy handling.
  • Anodized Finish: Black finish for increased durability and reduced friction.
  • Consistent Results: Eliminates the variability of universal tools.

The tapered design of this compressor acts as a guide, gently compressing the rings as the piston is inserted. This prevents the rings from catching on the cylinder deck, which is a common cause of ring failure and cylinder wall damage. For those building high-performance or racing engines, this tool is indispensable. It provides the consistency needed for professional-grade assembly, ensuring that your engine performs at its peak from the very first start. The durable aluminum construction ensures that this tool will remain a staple in your toolbox for years to come. For all your engine building needs, trust the selection at GGCRACING.

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