Koyo All-Aluminum Radiator — Fits 88-91 Honda Civic/CRX EF w/B-Series (Manual)

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SKU: KOYKH080146
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Sale price$362.99 Regular price$422.20
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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

Koyo All-Aluminum Radiator for 1988-1991 Honda Civic & CRX (EF Chassis)

Boost your Honda Civic or CRX's cooling performance with this premium all-aluminum radiator from Koyo. Specifically designed for the EF chassis (1988-1991) equipped with B-Series engines and manual transmissions, this radiator offers superior heat dissipation and durability.

Engineered for Performance:

  • All-Aluminum Construction: Lightweight and highly efficient at transferring heat away from the engine coolant.
  • B-Series Engine Compatibility: Precision-engineered to fit B-Series engine swaps in the EF chassis.
  • Manual Transmission Specific: Designed to work seamlessly with manual transmission setups.
  • Direct Fit Design: Ensures straightforward installation, replacing your stock radiator without modification.
  • Enhanced Durability: Koyo's reputation for quality means this radiator is built to last, providing reliable cooling for daily driving and spirited performance.

Vehicle Fitment:

This Koyo radiator is compatible with the following 1988-1991 Honda Civic and CRX models (EF Chassis) with B-Series engines and manual transmissions:

  • Civic Base
  • Civic DX
  • Civic EX
  • Civic LX
  • Civic RT 4WD
  • Civic Si
  • Civic Wagovan

Keep your classic Honda running cool and performing at its best. Choose the reliability and performance of a Koyo radiator from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1989 Honda Civic Wagovan
1988-1991 Honda Civic Base
1988-1991 Honda Civic DX
1988-1991 Honda Civic LX
1988-1991 Honda Civic RT 4WD
1989-1991 Honda Civic Si
1990-1991 Honda Civic EX

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

Koyo All-Aluminum Radiator for 1988-1991 Honda Civic & CRX (EF Chassis)

Boost your Honda Civic or CRX's cooling performance with this premium all-aluminum radiator from Koyo. Specifically designed for the EF chassis (1988-1991) equipped with B-Series engines and manual transmissions, this radiator offers superior heat dissipation and durability.

Engineered for Performance:

  • All-Aluminum Construction: Lightweight and highly efficient at transferring heat away from the engine coolant.
  • B-Series Engine Compatibility: Precision-engineered to fit B-Series engine swaps in the EF chassis.
  • Manual Transmission Specific: Designed to work seamlessly with manual transmission setups.
  • Direct Fit Design: Ensures straightforward installation, replacing your stock radiator without modification.
  • Enhanced Durability: Koyo's reputation for quality means this radiator is built to last, providing reliable cooling for daily driving and spirited performance.

Vehicle Fitment:

This Koyo radiator is compatible with the following 1988-1991 Honda Civic and CRX models (EF Chassis) with B-Series engines and manual transmissions:

  • Civic Base
  • Civic DX
  • Civic EX
  • Civic LX
  • Civic RT 4WD
  • Civic Si
  • Civic Wagovan

Keep your classic Honda running cool and performing at its best. Choose the reliability and performance of a Koyo radiator from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1989 Honda Civic Wagovan
1988-1991 Honda Civic Base
1988-1991 Honda Civic DX
1988-1991 Honda Civic LX
1988-1991 Honda Civic RT 4WD
1989-1991 Honda Civic Si
1990-1991 Honda Civic EX

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

Koyo All-Aluminum Radiator for 1988-1991 Honda Civic & CRX (EF Chassis)

Boost your Honda Civic or CRX's cooling performance with this premium all-aluminum radiator from Koyo. Specifically designed for the EF chassis (1988-1991) equipped with B-Series engines and manual transmissions, this radiator offers superior heat dissipation and durability.

Engineered for Performance:

  • All-Aluminum Construction: Lightweight and highly efficient at transferring heat away from the engine coolant.
  • B-Series Engine Compatibility: Precision-engineered to fit B-Series engine swaps in the EF chassis.
  • Manual Transmission Specific: Designed to work seamlessly with manual transmission setups.
  • Direct Fit Design: Ensures straightforward installation, replacing your stock radiator without modification.
  • Enhanced Durability: Koyo's reputation for quality means this radiator is built to last, providing reliable cooling for daily driving and spirited performance.

Vehicle Fitment:

This Koyo radiator is compatible with the following 1988-1991 Honda Civic and CRX models (EF Chassis) with B-Series engines and manual transmissions:

  • Civic Base
  • Civic DX
  • Civic EX
  • Civic LX
  • Civic RT 4WD
  • Civic Si
  • Civic Wagovan

Keep your classic Honda running cool and performing at its best. Choose the reliability and performance of a Koyo radiator from GGCRACING.

Vehicle Fitment

Years Make Model Trim
1988-1989 Honda Civic Wagovan
1988-1991 Honda Civic Base
1988-1991 Honda Civic DX
1988-1991 Honda Civic LX
1988-1991 Honda Civic RT 4WD
1989-1991 Honda Civic Si
1990-1991 Honda Civic EX

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