Auto Racing Products 86.5mm Tapered Piston Ring Compressor — Precision Engine Assembly Tool

SKU: BQDN_901-8650
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About Auto Racing Products ARP (Automotive Racing Products) makes 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

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.

Watch in action

Precision Piston Installation

The Auto Racing Products 86.5mm Tapered Ring Compressor is designed for precision engine builders who require a reliable, accurate method for installing pistons. This tool is specifically machined for 86.5mm bore applications, providing a tapered entry that gently compresses the rings as the piston is inserted. This design is far superior to traditional band-style compressors, as it ensures uniform pressure around the entire circumference of the rings.

Durable and Reliable

Crafted from premium aluminum and finished with a black anodized coating, this compressor is built to last. The smooth interior surface minimizes friction, allowing for a seamless installation that protects your engine's internal components. By eliminating the risk of ring damage during assembly, you can be confident that your engine will have the best possible seal and compression from the moment it is fired up.

  • Bore Size: 86.5mm precision fit
  • Material: Lightweight, high-strength aluminum
  • Finish: Durable black anodized
  • Design: Tapered geometry for smooth insertion
  • Benefit: Ensures perfect ring seating and compression

Proper assembly is the key to engine longevity and performance. Using the correct tools, such as this bore-specific tapered compressor, prevents common assembly errors that can compromise your build. Whether you are performing a routine rebuild or a high-performance upgrade, this tool provides the consistency and quality you need. Trust your engine build to the experts and find this and other essential tools 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.

Watch in action

Precision Piston Installation

The Auto Racing Products 86.5mm Tapered Ring Compressor is designed for precision engine builders who require a reliable, accurate method for installing pistons. This tool is specifically machined for 86.5mm bore applications, providing a tapered entry that gently compresses the rings as the piston is inserted. This design is far superior to traditional band-style compressors, as it ensures uniform pressure around the entire circumference of the rings.

Durable and Reliable

Crafted from premium aluminum and finished with a black anodized coating, this compressor is built to last. The smooth interior surface minimizes friction, allowing for a seamless installation that protects your engine's internal components. By eliminating the risk of ring damage during assembly, you can be confident that your engine will have the best possible seal and compression from the moment it is fired up.

  • Bore Size: 86.5mm precision fit
  • Material: Lightweight, high-strength aluminum
  • Finish: Durable black anodized
  • Design: Tapered geometry for smooth insertion
  • Benefit: Ensures perfect ring seating and compression

Proper assembly is the key to engine longevity and performance. Using the correct tools, such as this bore-specific tapered compressor, prevents common assembly errors that can compromise your build. Whether you are performing a routine rebuild or a high-performance upgrade, this tool provides the consistency and quality you need. Trust your engine build to the experts and find this and other essential tools 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.

Watch in action

Precision Piston Installation

The Auto Racing Products 86.5mm Tapered Ring Compressor is designed for precision engine builders who require a reliable, accurate method for installing pistons. This tool is specifically machined for 86.5mm bore applications, providing a tapered entry that gently compresses the rings as the piston is inserted. This design is far superior to traditional band-style compressors, as it ensures uniform pressure around the entire circumference of the rings.

Durable and Reliable

Crafted from premium aluminum and finished with a black anodized coating, this compressor is built to last. The smooth interior surface minimizes friction, allowing for a seamless installation that protects your engine's internal components. By eliminating the risk of ring damage during assembly, you can be confident that your engine will have the best possible seal and compression from the moment it is fired up.

  • Bore Size: 86.5mm precision fit
  • Material: Lightweight, high-strength aluminum
  • Finish: Durable black anodized
  • Design: Tapered geometry for smooth insertion
  • Benefit: Ensures perfect ring seating and compression

Proper assembly is the key to engine longevity and performance. Using the correct tools, such as this bore-specific tapered compressor, prevents common assembly errors that can compromise your build. Whether you are performing a routine rebuild or a high-performance upgrade, this tool provides the consistency and quality you need. Trust your engine build to the experts and find this and other essential tools at GGCRACING.

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