ARP 87.25mm Tapered Piston Ring Compressor — Professional Engine Building Tool

SKU: ARP901-8725
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...Read More

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Sale price$68.99
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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 ARP

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.

Watch in action

Master Your Engine Build with the ARP 87.25mm Compressor

Precision is non-negotiable when building high-performance engines. The ARP 87.25mm Tapered Piston Ring Compressor is engineered to provide the exact fitment required for 87.25mm bores, ensuring that your piston rings are seated correctly every time. By utilizing a tapered entry, this tool allows for a smooth, damage-free installation that protects both your rings and your cylinder walls.

Technical Advantages

  • Engineered for Accuracy: Designed to meet the exact specifications of 87.25mm bore engines.
  • High-Strength Billet: Built from durable aluminum to withstand years of shop use.
  • Smooth Operation: The tapered bore design guides the piston rings into the cylinder without the need for manual adjustment.
  • Reduced Wear: Prevents ring snagging and potential scoring of cylinder liners.

Engine builders know that the difference between a good engine and a great one lies in the details of the assembly. The ARP 87.25mm ring compressor removes the guesswork, providing a consistent, uniform squeeze that is impossible to achieve with standard universal tools. This tool is an investment in the longevity and performance of your engine. It is designed to be easy to use, allowing you to focus on the critical measurements of your build rather than fighting with difficult components. For high-quality engine building tools and performance parts, look no further than the expert selection at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About ARP

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.

Watch in action

Master Your Engine Build with the ARP 87.25mm Compressor

Precision is non-negotiable when building high-performance engines. The ARP 87.25mm Tapered Piston Ring Compressor is engineered to provide the exact fitment required for 87.25mm bores, ensuring that your piston rings are seated correctly every time. By utilizing a tapered entry, this tool allows for a smooth, damage-free installation that protects both your rings and your cylinder walls.

Technical Advantages

  • Engineered for Accuracy: Designed to meet the exact specifications of 87.25mm bore engines.
  • High-Strength Billet: Built from durable aluminum to withstand years of shop use.
  • Smooth Operation: The tapered bore design guides the piston rings into the cylinder without the need for manual adjustment.
  • Reduced Wear: Prevents ring snagging and potential scoring of cylinder liners.

Engine builders know that the difference between a good engine and a great one lies in the details of the assembly. The ARP 87.25mm ring compressor removes the guesswork, providing a consistent, uniform squeeze that is impossible to achieve with standard universal tools. This tool is an investment in the longevity and performance of your engine. It is designed to be easy to use, allowing you to focus on the critical measurements of your build rather than fighting with difficult components. For high-quality engine building tools and performance parts, look no further than the expert selection at GGCRACING.

Product Details

Product Description

About ARP

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.

Watch in action

Master Your Engine Build with the ARP 87.25mm Compressor

Precision is non-negotiable when building high-performance engines. The ARP 87.25mm Tapered Piston Ring Compressor is engineered to provide the exact fitment required for 87.25mm bores, ensuring that your piston rings are seated correctly every time. By utilizing a tapered entry, this tool allows for a smooth, damage-free installation that protects both your rings and your cylinder walls.

Technical Advantages

  • Engineered for Accuracy: Designed to meet the exact specifications of 87.25mm bore engines.
  • High-Strength Billet: Built from durable aluminum to withstand years of shop use.
  • Smooth Operation: The tapered bore design guides the piston rings into the cylinder without the need for manual adjustment.
  • Reduced Wear: Prevents ring snagging and potential scoring of cylinder liners.

Engine builders know that the difference between a good engine and a great one lies in the details of the assembly. The ARP 87.25mm ring compressor removes the guesswork, providing a consistent, uniform squeeze that is impossible to achieve with standard universal tools. This tool is an investment in the longevity and performance of your engine. It is designed to be easy to use, allowing you to focus on the critical measurements of your build rather than fighting with difficult components. For high-quality engine building tools and performance parts, look no further than the expert selection at GGCRACING.

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