Auto Racing Products 4.375" Tapered Piston Ring Compressor - Black Anodized Aluminum

SKU: BQDN_900-3750
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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 Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Master Your Engine Build with 4.375" Precision

The **Auto Racing Products 4.375" Tapered Piston Ring Compressor** is the definitive tool for engine builders tackling 4.375-inch bore applications. This meticulously engineered compressor is designed to provide a flawless, damage-free installation of pistons, ensuring that delicate piston rings are compressed uniformly and guided smoothly into the cylinder. It’s an indispensable asset for achieving professional-grade results and safeguarding your investment in high-performance engine components.

Key Advantages & Construction

  • Dedicated 4.375" Bore Fit: Ensures a perfect, snug fit for specific engine bores, preventing ring hang-ups or damage.
  • Optimized Tapered Design: Guides piston rings with consistent, gentle pressure, facilitating smooth and efficient piston insertion.
  • Premium Billet Aluminum: Machined from robust aluminum, offering exceptional durability, lightweight handling, and resistance to deformation.
  • Durable Black Anodized Finish: Provides a hard, low-friction surface that enhances wear resistance and ensures smooth operation over time.
  • Critical Engine Protection: Prevents costly damage to piston rings and cylinder walls during the crucial assembly phase.

The Foundation of a Reliable Engine Build

In the demanding world of performance engine building, the quality of your tools directly impacts the quality of your output. The Auto Racing Products 4.375" Tapered Piston Ring Compressor exemplifies this principle. Its fixed, bore-specific tapered design eliminates the inconsistencies often associated with adjustable compressors. This ensures that every piston ring is compressed evenly and guided precisely into the cylinder, minimizing stress on the rings and preventing potential breakage. The result is a more efficient, reliable, and confidence-inspiring engine assembly process.

Why Invest in a Specialized Tool?

Piston rings are critical for sealing combustion pressure and controlling oil. Any damage during installation can lead to immediate performance issues or long-term engine failure. A specialized, bore-specific tapered compressor like this 4.375" model is a small investment that provides immense value by protecting expensive components and ensuring the foundational integrity of your engine. It’s a testament to building it right the first time.

Technical Specifications

  • Bore Size: 4.375 inches
  • Design: Tapered
  • Material: Billet Aluminum
  • Finish: Black Anodized
  • MPN: 900-3750

Equip your workshop with the precision tools that professional engine builders trust. The Auto Racing Products 4.375" Tapered Piston Ring Compressor is available to elevate your next build, exclusively at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Master Your Engine Build with 4.375" Precision

The **Auto Racing Products 4.375" Tapered Piston Ring Compressor** is the definitive tool for engine builders tackling 4.375-inch bore applications. This meticulously engineered compressor is designed to provide a flawless, damage-free installation of pistons, ensuring that delicate piston rings are compressed uniformly and guided smoothly into the cylinder. It’s an indispensable asset for achieving professional-grade results and safeguarding your investment in high-performance engine components.

Key Advantages & Construction

  • Dedicated 4.375" Bore Fit: Ensures a perfect, snug fit for specific engine bores, preventing ring hang-ups or damage.
  • Optimized Tapered Design: Guides piston rings with consistent, gentle pressure, facilitating smooth and efficient piston insertion.
  • Premium Billet Aluminum: Machined from robust aluminum, offering exceptional durability, lightweight handling, and resistance to deformation.
  • Durable Black Anodized Finish: Provides a hard, low-friction surface that enhances wear resistance and ensures smooth operation over time.
  • Critical Engine Protection: Prevents costly damage to piston rings and cylinder walls during the crucial assembly phase.

The Foundation of a Reliable Engine Build

In the demanding world of performance engine building, the quality of your tools directly impacts the quality of your output. The Auto Racing Products 4.375" Tapered Piston Ring Compressor exemplifies this principle. Its fixed, bore-specific tapered design eliminates the inconsistencies often associated with adjustable compressors. This ensures that every piston ring is compressed evenly and guided precisely into the cylinder, minimizing stress on the rings and preventing potential breakage. The result is a more efficient, reliable, and confidence-inspiring engine assembly process.

Why Invest in a Specialized Tool?

Piston rings are critical for sealing combustion pressure and controlling oil. Any damage during installation can lead to immediate performance issues or long-term engine failure. A specialized, bore-specific tapered compressor like this 4.375" model is a small investment that provides immense value by protecting expensive components and ensuring the foundational integrity of your engine. It’s a testament to building it right the first time.

Technical Specifications

  • Bore Size: 4.375 inches
  • Design: Tapered
  • Material: Billet Aluminum
  • Finish: Black Anodized
  • MPN: 900-3750

Equip your workshop with the precision tools that professional engine builders trust. The Auto Racing Products 4.375" Tapered Piston Ring Compressor is available to elevate your next build, exclusively at GGCRACING.

Product Details

Product Description

About Auto Racing Products

ARP (Automotive Racing Products) makes the strongest fasteners in motorsport — head studs, main studs, rod bolts, and flexplate bolts used by every Formula 1, NHRA, NASCAR, and championship motorsport program. Aerospace-grade alloys, exact-fit machining.

Master Your Engine Build with 4.375" Precision

The **Auto Racing Products 4.375" Tapered Piston Ring Compressor** is the definitive tool for engine builders tackling 4.375-inch bore applications. This meticulously engineered compressor is designed to provide a flawless, damage-free installation of pistons, ensuring that delicate piston rings are compressed uniformly and guided smoothly into the cylinder. It’s an indispensable asset for achieving professional-grade results and safeguarding your investment in high-performance engine components.

Key Advantages & Construction

  • Dedicated 4.375" Bore Fit: Ensures a perfect, snug fit for specific engine bores, preventing ring hang-ups or damage.
  • Optimized Tapered Design: Guides piston rings with consistent, gentle pressure, facilitating smooth and efficient piston insertion.
  • Premium Billet Aluminum: Machined from robust aluminum, offering exceptional durability, lightweight handling, and resistance to deformation.
  • Durable Black Anodized Finish: Provides a hard, low-friction surface that enhances wear resistance and ensures smooth operation over time.
  • Critical Engine Protection: Prevents costly damage to piston rings and cylinder walls during the crucial assembly phase.

The Foundation of a Reliable Engine Build

In the demanding world of performance engine building, the quality of your tools directly impacts the quality of your output. The Auto Racing Products 4.375" Tapered Piston Ring Compressor exemplifies this principle. Its fixed, bore-specific tapered design eliminates the inconsistencies often associated with adjustable compressors. This ensures that every piston ring is compressed evenly and guided precisely into the cylinder, minimizing stress on the rings and preventing potential breakage. The result is a more efficient, reliable, and confidence-inspiring engine assembly process.

Why Invest in a Specialized Tool?

Piston rings are critical for sealing combustion pressure and controlling oil. Any damage during installation can lead to immediate performance issues or long-term engine failure. A specialized, bore-specific tapered compressor like this 4.375" model is a small investment that provides immense value by protecting expensive components and ensuring the foundational integrity of your engine. It’s a testament to building it right the first time.

Technical Specifications

  • Bore Size: 4.375 inches
  • Design: Tapered
  • Material: Billet Aluminum
  • Finish: Black Anodized
  • MPN: 900-3750

Equip your workshop with the precision tools that professional engine builders trust. The Auto Racing Products 4.375" Tapered Piston Ring Compressor is available to elevate your next build, exclusively at GGCRACING.

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