Koyo HH Series Performance Radiator — Fits 1986-1988 Mazda RX-7 FC NA/Turbo (MT)

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SKU: KOYHH060642
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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 Koyo

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

Watch in action

Elevate Your FC RX-7's Cooling with Koyo Performance

Ensure optimal thermal management for your 1986-1988 Mazda RX-7 FC with the Koyo HH Series Performance Radiator. This all-aluminum radiator is meticulously engineered to provide superior cooling capacity for both naturally aspirated (NA) and turbocharged manual transmission models. Whether you're cruising or pushing your rotary engine to its limits, this Koyo radiator helps prevent overheating, maintaining consistent power and extending engine life.

Precision Cooling for Mazda RX-7 FC

  • Enhanced Heat Dissipation: Features Koyo's advanced N-FLO technology and a high-density core for maximum heat transfer, crucial for rotary engines.
  • Direct Fit Replacement: Designed for a seamless, bolt-on installation, fitting various submodels including Base, GXL, GTU, Sport, Convertible, and Turbo.
  • Durable All-Aluminum Construction: Offers exceptional strength and corrosion resistance, far surpassing the reliability of stock plastic end-tank radiators.
  • Versatile Fitment: Compatible with both naturally aspirated and turbocharged 1.3L rotary engines in the Series 4 FC RX-7.

Give your iconic Mazda RX-7 FC the cooling upgrade it deserves with the Koyo HH Series Performance Radiator. Discover this and other premium parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1986-1987 Mazda RX-7 Base
1986-1988 Mazda RX-7 Turbo
1986-1988 Mazda RX-7 GXL
1987 Mazda RX-7 Sport
1987 Mazda RX-7 Base 2+2
1987 Mazda RX-7 LX
1987 Mazda RX-7 LX 2+2
1987-1988 Mazda RX-7 GXL 2+2
1988 Mazda RX-7 10th Anniversary
1988 Mazda RX-7 Convertible
1988 Mazda RX-7 GTU
1988 Mazda RX-7 SE

Product Details

Product Description
Part Numbers
Sizing & Fit

About Koyo

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

Watch in action

Elevate Your FC RX-7's Cooling with Koyo Performance

Ensure optimal thermal management for your 1986-1988 Mazda RX-7 FC with the Koyo HH Series Performance Radiator. This all-aluminum radiator is meticulously engineered to provide superior cooling capacity for both naturally aspirated (NA) and turbocharged manual transmission models. Whether you're cruising or pushing your rotary engine to its limits, this Koyo radiator helps prevent overheating, maintaining consistent power and extending engine life.

Precision Cooling for Mazda RX-7 FC

  • Enhanced Heat Dissipation: Features Koyo's advanced N-FLO technology and a high-density core for maximum heat transfer, crucial for rotary engines.
  • Direct Fit Replacement: Designed for a seamless, bolt-on installation, fitting various submodels including Base, GXL, GTU, Sport, Convertible, and Turbo.
  • Durable All-Aluminum Construction: Offers exceptional strength and corrosion resistance, far surpassing the reliability of stock plastic end-tank radiators.
  • Versatile Fitment: Compatible with both naturally aspirated and turbocharged 1.3L rotary engines in the Series 4 FC RX-7.

Give your iconic Mazda RX-7 FC the cooling upgrade it deserves with the Koyo HH Series Performance Radiator. Discover this and other premium parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1986-1987 Mazda RX-7 Base
1986-1988 Mazda RX-7 Turbo
1986-1988 Mazda RX-7 GXL
1987 Mazda RX-7 Sport
1987 Mazda RX-7 Base 2+2
1987 Mazda RX-7 LX
1987 Mazda RX-7 LX 2+2
1987-1988 Mazda RX-7 GXL 2+2
1988 Mazda RX-7 10th Anniversary
1988 Mazda RX-7 Convertible
1988 Mazda RX-7 GTU
1988 Mazda RX-7 SE

Product Details

Product Description

About Koyo

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

Watch in action

Elevate Your FC RX-7's Cooling with Koyo Performance

Ensure optimal thermal management for your 1986-1988 Mazda RX-7 FC with the Koyo HH Series Performance Radiator. This all-aluminum radiator is meticulously engineered to provide superior cooling capacity for both naturally aspirated (NA) and turbocharged manual transmission models. Whether you're cruising or pushing your rotary engine to its limits, this Koyo radiator helps prevent overheating, maintaining consistent power and extending engine life.

Precision Cooling for Mazda RX-7 FC

  • Enhanced Heat Dissipation: Features Koyo's advanced N-FLO technology and a high-density core for maximum heat transfer, crucial for rotary engines.
  • Direct Fit Replacement: Designed for a seamless, bolt-on installation, fitting various submodels including Base, GXL, GTU, Sport, Convertible, and Turbo.
  • Durable All-Aluminum Construction: Offers exceptional strength and corrosion resistance, far surpassing the reliability of stock plastic end-tank radiators.
  • Versatile Fitment: Compatible with both naturally aspirated and turbocharged 1.3L rotary engines in the Series 4 FC RX-7.

Give your iconic Mazda RX-7 FC the cooling upgrade it deserves with the Koyo HH Series Performance Radiator. Discover this and other premium parts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1986-1987 Mazda RX-7 Base
1986-1988 Mazda RX-7 Turbo
1986-1988 Mazda RX-7 GXL
1987 Mazda RX-7 Sport
1987 Mazda RX-7 Base 2+2
1987 Mazda RX-7 LX
1987 Mazda RX-7 LX 2+2
1987-1988 Mazda RX-7 GXL 2+2
1988 Mazda RX-7 10th Anniversary
1988 Mazda RX-7 Convertible
1988 Mazda RX-7 GTU
1988 Mazda RX-7 SE

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