ARP 80.5mm Tapered Ring Compressor — Precision Piston Installation Tool

SKU: ARP901-8050
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About ARP ARP (Automotive Racing Products) makes the strongest fasteners ...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

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

Precision Piston Installation for 80.5mm Bores

When working with 80.5mm bore engines, precision is the key to a successful build. The ARP 80.5mm Tapered Ring Compressor is specifically engineered to make piston installation effortless and safe. By using a tapered entry, this tool compresses the piston rings gradually, ensuring they slide into the cylinder bore without snagging or breaking. It is the ultimate tool for engine builders who prioritize accuracy and reliability.

Key Features of the ARP Compressor

  • Optimized Geometry: The 80.5mm tapered bore ensures a perfect fit for specific engine applications.
  • Durable Anodized Aluminum: Lightweight yet incredibly strong, designed to withstand the demands of a busy engine shop.
  • Friction-Free Surface: The smooth, hard-anodized finish allows the piston to glide into the cylinder with minimal force.
  • Prevents Damage: Eliminates the risk of scratching cylinder walls or damaging fragile piston rings.

Traditional ring compressors can be difficult to adjust and often lead to uneven pressure, which can cause ring failure. The ARP tapered design removes the guesswork, providing a consistent, uniform compression that is essential for maintaining proper ring seal. This is particularly important for high-performance engines where every bit of compression counts. By using this professional-grade tool, you ensure that your engine build is completed to the highest standards. Whether you are a professional mechanic or a dedicated enthusiast, this tool will save you time and prevent costly mistakes. Invest in the best tools for your engine assembly and enjoy the peace of mind that comes with using ARP quality. Find this and other essential engine assembly tools 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

Precision Piston Installation for 80.5mm Bores

When working with 80.5mm bore engines, precision is the key to a successful build. The ARP 80.5mm Tapered Ring Compressor is specifically engineered to make piston installation effortless and safe. By using a tapered entry, this tool compresses the piston rings gradually, ensuring they slide into the cylinder bore without snagging or breaking. It is the ultimate tool for engine builders who prioritize accuracy and reliability.

Key Features of the ARP Compressor

  • Optimized Geometry: The 80.5mm tapered bore ensures a perfect fit for specific engine applications.
  • Durable Anodized Aluminum: Lightweight yet incredibly strong, designed to withstand the demands of a busy engine shop.
  • Friction-Free Surface: The smooth, hard-anodized finish allows the piston to glide into the cylinder with minimal force.
  • Prevents Damage: Eliminates the risk of scratching cylinder walls or damaging fragile piston rings.

Traditional ring compressors can be difficult to adjust and often lead to uneven pressure, which can cause ring failure. The ARP tapered design removes the guesswork, providing a consistent, uniform compression that is essential for maintaining proper ring seal. This is particularly important for high-performance engines where every bit of compression counts. By using this professional-grade tool, you ensure that your engine build is completed to the highest standards. Whether you are a professional mechanic or a dedicated enthusiast, this tool will save you time and prevent costly mistakes. Invest in the best tools for your engine assembly and enjoy the peace of mind that comes with using ARP quality. Find this and other essential engine assembly tools 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

Precision Piston Installation for 80.5mm Bores

When working with 80.5mm bore engines, precision is the key to a successful build. The ARP 80.5mm Tapered Ring Compressor is specifically engineered to make piston installation effortless and safe. By using a tapered entry, this tool compresses the piston rings gradually, ensuring they slide into the cylinder bore without snagging or breaking. It is the ultimate tool for engine builders who prioritize accuracy and reliability.

Key Features of the ARP Compressor

  • Optimized Geometry: The 80.5mm tapered bore ensures a perfect fit for specific engine applications.
  • Durable Anodized Aluminum: Lightweight yet incredibly strong, designed to withstand the demands of a busy engine shop.
  • Friction-Free Surface: The smooth, hard-anodized finish allows the piston to glide into the cylinder with minimal force.
  • Prevents Damage: Eliminates the risk of scratching cylinder walls or damaging fragile piston rings.

Traditional ring compressors can be difficult to adjust and often lead to uneven pressure, which can cause ring failure. The ARP tapered design removes the guesswork, providing a consistent, uniform compression that is essential for maintaining proper ring seal. This is particularly important for high-performance engines where every bit of compression counts. By using this professional-grade tool, you ensure that your engine build is completed to the highest standards. Whether you are a professional mechanic or a dedicated enthusiast, this tool will save you time and prevent costly mistakes. Invest in the best tools for your engine assembly and enjoy the peace of mind that comes with using ARP quality. Find this and other essential engine assembly tools at GGCRACING.

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