Manley 1.8L BP056 DOHC 16 Exhaust 28mm Stainless Race Master Valves — Fits 1994-1997, 1999-2005 Mazda Miata

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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 Manley Performance

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

Manley Performance 28mm Stainless Steel Race Master Exhaust Valves

Elevate your Mazda Miata's engine performance with these premium Manley Race Master Exhaust Valves. Specifically designed for the 1.8L BP056 DOHC 16-valve engine found in 1994-1997 and 1999-2005 models, these valves are engineered for maximum durability and optimal airflow.

Superior Construction and Design

  • High-Quality Stainless Steel: Crafted from robust stainless steel for exceptional resistance to heat and wear, ensuring long-lasting performance.
  • Chrome Stems & Hard Tips: Feature chrome-plated stems and hard tips to further enhance durability and resist valve seat wear.
  • Swirl Polished & Fully Machined: The under-head areas are swirl polished to improve airflow, while the combustion faces are fully machined for precise performance and efficiency.
  • Race Master Series: These valves utilize a straight stem design, optimized for high-performance racing applications.

Performance Benefits

These Manley valves are not just about durability; they are built to perform. The precise machining and polished surfaces contribute to better cylinder filling and exhaust scavenging, leading to noticeable improvements in horsepower and torque. They are also recommended for use in alcohol-fueled engines, demonstrating their ability to withstand extreme conditions.

Whether you're rebuilding your engine for track use or seeking to extract more power from your daily driver, these Manley valves are a critical component for achieving your goals. Ensure your engine breathes freely and reliably with top-tier components.

Invest in the best for your Mazda Miata. Get your Manley 28mm Stainless Steel Race Master Exhaust Valves today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1997 Mazda Miata Base
1999-2005 Mazda Miata Base
2000-2005 Mazda Miata LS

Product Details

Product Description
Part Numbers
Sizing & Fit

About Manley Performance

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

Manley Performance 28mm Stainless Steel Race Master Exhaust Valves

Elevate your Mazda Miata's engine performance with these premium Manley Race Master Exhaust Valves. Specifically designed for the 1.8L BP056 DOHC 16-valve engine found in 1994-1997 and 1999-2005 models, these valves are engineered for maximum durability and optimal airflow.

Superior Construction and Design

  • High-Quality Stainless Steel: Crafted from robust stainless steel for exceptional resistance to heat and wear, ensuring long-lasting performance.
  • Chrome Stems & Hard Tips: Feature chrome-plated stems and hard tips to further enhance durability and resist valve seat wear.
  • Swirl Polished & Fully Machined: The under-head areas are swirl polished to improve airflow, while the combustion faces are fully machined for precise performance and efficiency.
  • Race Master Series: These valves utilize a straight stem design, optimized for high-performance racing applications.

Performance Benefits

These Manley valves are not just about durability; they are built to perform. The precise machining and polished surfaces contribute to better cylinder filling and exhaust scavenging, leading to noticeable improvements in horsepower and torque. They are also recommended for use in alcohol-fueled engines, demonstrating their ability to withstand extreme conditions.

Whether you're rebuilding your engine for track use or seeking to extract more power from your daily driver, these Manley valves are a critical component for achieving your goals. Ensure your engine breathes freely and reliably with top-tier components.

Invest in the best for your Mazda Miata. Get your Manley 28mm Stainless Steel Race Master Exhaust Valves today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1997 Mazda Miata Base
1999-2005 Mazda Miata Base
2000-2005 Mazda Miata LS

Product Details

Product Description

About Manley Performance

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

Manley Performance 28mm Stainless Steel Race Master Exhaust Valves

Elevate your Mazda Miata's engine performance with these premium Manley Race Master Exhaust Valves. Specifically designed for the 1.8L BP056 DOHC 16-valve engine found in 1994-1997 and 1999-2005 models, these valves are engineered for maximum durability and optimal airflow.

Superior Construction and Design

  • High-Quality Stainless Steel: Crafted from robust stainless steel for exceptional resistance to heat and wear, ensuring long-lasting performance.
  • Chrome Stems & Hard Tips: Feature chrome-plated stems and hard tips to further enhance durability and resist valve seat wear.
  • Swirl Polished & Fully Machined: The under-head areas are swirl polished to improve airflow, while the combustion faces are fully machined for precise performance and efficiency.
  • Race Master Series: These valves utilize a straight stem design, optimized for high-performance racing applications.

Performance Benefits

These Manley valves are not just about durability; they are built to perform. The precise machining and polished surfaces contribute to better cylinder filling and exhaust scavenging, leading to noticeable improvements in horsepower and torque. They are also recommended for use in alcohol-fueled engines, demonstrating their ability to withstand extreme conditions.

Whether you're rebuilding your engine for track use or seeking to extract more power from your daily driver, these Manley valves are a critical component for achieving your goals. Ensure your engine breathes freely and reliably with top-tier components.

Invest in the best for your Mazda Miata. Get your Manley 28mm Stainless Steel Race Master Exhaust Valves today at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1994-1997 Mazda Miata Base
1999-2005 Mazda Miata Base
2000-2005 Mazda Miata LS

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