Supertech Forged Piston Set 84mm 9.5:1 CR Dome 2.5cc — Fits Mazda Miata 1.8L

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SKU: SPTP4-MA84-P2
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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.

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Supertech Forged Pistons for Mazda Miata 1.8L - 9.5:1 CR for Boost

Enhance your Mazda Miata 1.8L engine's performance with this set of four Supertech forged pistons. Featuring an 84mm bore and a 2.5cc dome, these pistons achieve a 9.5:1 compression ratio, making them an ideal choice for engines equipped with turbochargers or superchargers. This compression level provides a safe and reliable platform for significant power gains through forced induction.

Key Features & Benefits:

  • Bore Size: 84mm
  • Compression Ratio: 9.5:1
  • Dome Volume: 2.5cc
  • Vehicle Fitment: Mazda Miata 1.8L
  • Material: High-quality forged aluminum alloy
  • Application: Optimized for forced induction builds
  • Set Includes: 4 Pistons (rings sold separately)

These Supertech pistons are manufactured from durable forged aluminum, offering superior strength and heat resistance necessary to withstand the demands of boosted engine operation. The 9.5:1 compression ratio is a popular choice for tuners looking to maximize power output from forced induction systems while maintaining engine reliability. This setup allows for aggressive boost levels and tuning for impressive horsepower figures.

Professional installation is strongly advised to ensure proper engine assembly and performance. Consider complementing these pistons with performance connecting rods and a custom engine tune for the ultimate power upgrade. Find premium engine parts for your Miata 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 Forged Pistons for Mazda Miata 1.8L - 9.5:1 CR for Boost

Enhance your Mazda Miata 1.8L engine's performance with this set of four Supertech forged pistons. Featuring an 84mm bore and a 2.5cc dome, these pistons achieve a 9.5:1 compression ratio, making them an ideal choice for engines equipped with turbochargers or superchargers. This compression level provides a safe and reliable platform for significant power gains through forced induction.

Key Features & Benefits:

  • Bore Size: 84mm
  • Compression Ratio: 9.5:1
  • Dome Volume: 2.5cc
  • Vehicle Fitment: Mazda Miata 1.8L
  • Material: High-quality forged aluminum alloy
  • Application: Optimized for forced induction builds
  • Set Includes: 4 Pistons (rings sold separately)

These Supertech pistons are manufactured from durable forged aluminum, offering superior strength and heat resistance necessary to withstand the demands of boosted engine operation. The 9.5:1 compression ratio is a popular choice for tuners looking to maximize power output from forced induction systems while maintaining engine reliability. This setup allows for aggressive boost levels and tuning for impressive horsepower figures.

Professional installation is strongly advised to ensure proper engine assembly and performance. Consider complementing these pistons with performance connecting rods and a custom engine tune for the ultimate power upgrade. Find premium engine parts for your Miata 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 Forged Pistons for Mazda Miata 1.8L - 9.5:1 CR for Boost

Enhance your Mazda Miata 1.8L engine's performance with this set of four Supertech forged pistons. Featuring an 84mm bore and a 2.5cc dome, these pistons achieve a 9.5:1 compression ratio, making them an ideal choice for engines equipped with turbochargers or superchargers. This compression level provides a safe and reliable platform for significant power gains through forced induction.

Key Features & Benefits:

  • Bore Size: 84mm
  • Compression Ratio: 9.5:1
  • Dome Volume: 2.5cc
  • Vehicle Fitment: Mazda Miata 1.8L
  • Material: High-quality forged aluminum alloy
  • Application: Optimized for forced induction builds
  • Set Includes: 4 Pistons (rings sold separately)

These Supertech pistons are manufactured from durable forged aluminum, offering superior strength and heat resistance necessary to withstand the demands of boosted engine operation. The 9.5:1 compression ratio is a popular choice for tuners looking to maximize power output from forced induction systems while maintaining engine reliability. This setup allows for aggressive boost levels and tuning for impressive horsepower figures.

Professional installation is strongly advised to ensure proper engine assembly and performance. Consider complementing these pistons with performance connecting rods and a custom engine tune for the ultimate power upgrade. Find premium engine parts for your Miata at GGCRACING.

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