Supertech 81.5mm Bore High Performance Piston Rings - Gas Nitrided — Fits Universal

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SKU: SPTR81.5-GNH8150
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Sale price$27.75 Regular price$31.88
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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 Supertech

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

Watch in action

Supertech High Performance Gas Nitrided Piston Rings

Optimized for 81.5mm Bore Engines

Achieve peak engine performance and durability with these Supertech High Performance Piston Rings, specifically engineered for an 81.5mm bore. The advanced gas nitriding treatment imbues the rings with exceptional surface hardness, providing outstanding resistance to wear, friction, and scuffing, crucial for high-output engines. The precise dimensions, featuring a 1x3.10mm top ring, a 1.2x3.40mm second ring, and a 2.8x3.10mm oil ring, ensure an impeccable seal against the cylinder walls, maximizing compression and minimizing oil blow-by.

Premium Features:

  • Bore Size: 81.5mm
  • Ring Dimensions: 1x3.10mm (Top), 1.2x3.40mm (Second), 2.8x3.10mm (Oil)
  • Surface Treatment: Gas Nitrided for superior hardness and longevity
  • Material Quality: Constructed from high-grade alloys for robust performance
  • Application: Ideal for performance tuning, racing, and demanding engine builds
  • Performance Gains: Improved power delivery, efficient oil control, and extended engine lifespan

A perfect piston ring seal is vital for optimal engine function, directly impacting power, oil consumption, and emissions. Supertech piston rings are manufactured to exacting standards, guaranteeing a precise fit and reliable performance. Whether you're rebuilding an engine for street use or competition, these gas nitrided piston rings deliver the quality and resilience you demand. Find your essential engine components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Supertech

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

Watch in action

Supertech High Performance Gas Nitrided Piston Rings

Optimized for 81.5mm Bore Engines

Achieve peak engine performance and durability with these Supertech High Performance Piston Rings, specifically engineered for an 81.5mm bore. The advanced gas nitriding treatment imbues the rings with exceptional surface hardness, providing outstanding resistance to wear, friction, and scuffing, crucial for high-output engines. The precise dimensions, featuring a 1x3.10mm top ring, a 1.2x3.40mm second ring, and a 2.8x3.10mm oil ring, ensure an impeccable seal against the cylinder walls, maximizing compression and minimizing oil blow-by.

Premium Features:

  • Bore Size: 81.5mm
  • Ring Dimensions: 1x3.10mm (Top), 1.2x3.40mm (Second), 2.8x3.10mm (Oil)
  • Surface Treatment: Gas Nitrided for superior hardness and longevity
  • Material Quality: Constructed from high-grade alloys for robust performance
  • Application: Ideal for performance tuning, racing, and demanding engine builds
  • Performance Gains: Improved power delivery, efficient oil control, and extended engine lifespan

A perfect piston ring seal is vital for optimal engine function, directly impacting power, oil consumption, and emissions. Supertech piston rings are manufactured to exacting standards, guaranteeing a precise fit and reliable performance. Whether you're rebuilding an engine for street use or competition, these gas nitrided piston rings deliver the quality and resilience you demand. Find your essential engine components at GGCRACING.

Product Details

Product Description

About Supertech

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

Watch in action

Supertech High Performance Gas Nitrided Piston Rings

Optimized for 81.5mm Bore Engines

Achieve peak engine performance and durability with these Supertech High Performance Piston Rings, specifically engineered for an 81.5mm bore. The advanced gas nitriding treatment imbues the rings with exceptional surface hardness, providing outstanding resistance to wear, friction, and scuffing, crucial for high-output engines. The precise dimensions, featuring a 1x3.10mm top ring, a 1.2x3.40mm second ring, and a 2.8x3.10mm oil ring, ensure an impeccable seal against the cylinder walls, maximizing compression and minimizing oil blow-by.

Premium Features:

  • Bore Size: 81.5mm
  • Ring Dimensions: 1x3.10mm (Top), 1.2x3.40mm (Second), 2.8x3.10mm (Oil)
  • Surface Treatment: Gas Nitrided for superior hardness and longevity
  • Material Quality: Constructed from high-grade alloys for robust performance
  • Application: Ideal for performance tuning, racing, and demanding engine builds
  • Performance Gains: Improved power delivery, efficient oil control, and extended engine lifespan

A perfect piston ring seal is vital for optimal engine function, directly impacting power, oil consumption, and emissions. Supertech piston rings are manufactured to exacting standards, guaranteeing a precise fit and reliable performance. Whether you're rebuilding an engine for street use or competition, these gas nitrided piston rings deliver the quality and resilience you demand. Find your essential engine components at GGCRACING.

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