Koyo

We are a proud seller of Koyo All Aluminum Racing Radiators. These products have proven themselves on tracks all around the globe for decades. 

Koyo's racing catalog includes their R Series, V Series, and Hyper V Series radiators. The beauty of all these performance radiators is that they are direct drop in products. No modification is required to install any of Koyo's products. 

We offer free shipping on all Koyo products above $250 in the USA. 

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SOLD OUT
Koyo Koyo 08-09 Mitsubishi Evolution X (AT/MT) / Ralliart Turbo Radiator
$450.00
$450.00
SOLD OUT
Koyo Koyo 06-11 Honda Civic Si 2.0L Coupe/Sedan (MT) Radiator
$406.80
$406.80
Koyo Koyo 03-07 Infiniti G35 Coupe / 03-06 G35 Sedan VQ35DE (MT) Radiator
$493.20
$493.20
Koyo Koyo 02-05 Honda Civic Si 2.0L EP3 (MT) Radiator
$435.60
$435.60
SOLD OUT
Koyo Koyo 02-06 Acura RSX Base/Type-S (MT) Radiator (Req. Non-OEM Rad. Cap)
$435.60
$435.60
SOLD OUT
Koyo Koyo 01-05 Lexus IS300 (MT) Radiator
$464.40
$464.40
SOLD OUT
Koyo Koyo 91-05 Acura NSX 3.0/3.2L (MT) Radiator
$614.40
$614.40
Koyo Koyo 94-01 Acura Integra (MT w/ Showa/Denso OEM) Radiator
$406.80
$406.80
Koyo Koyo 94-01 Acura Integra w/ K-Series Swaps (2.0/2.4L) Radiator
$450.00
$450.00
Koyo Koyo Honda Universal Pocket Radiator
$478.80
$478.80
Koyo Koyo 70-78 Datsun 240/260/280Z (MT) Radiator
$529.20
$529.20
Koyo Koyo 08-15 Subaru WRX/STI / 05-09 Legacy GT 13mm Coolant Reservoir Adapter (For Part# VH091662)
$20.40
$20.40
Koyo Koyo 08-15 Subaru WRX/STI 8mm Coolant Reservoir Adapter (For Part# VH091662)
$20.40
$20.40
Koyo Koyo Dual Pass Universal Heat Exchanger (Radiator) - Turbocharged & Supercharged Applications
$493.20
$493.20
SOLD OUT
Koyo Koyo 12-15 Honda Civic SI 2.4L (MT) Radiator
$464.40
$464.40
SOLD OUT
Koyo Koyo 04-08 Acura TSX 2.4L (MT) Racing Radiator - 25MM CORE
$505.20
$505.20
Koyo Koyo 88-91 Honda Civic / CRX EF Chassis w/B-Series (Manual Transmission) All-Aluminum Radiator
$362.40
$362.40
SOLD OUT
Koyo Koyo 2016 Mazda MX-5 Miata 2.0L I4 (MT) Aluminum Radiator
$522.00
$522.00
Koyo Koyo 06-13 Lexus IS250/IS350 2.5L/3.5L (6MT/AT) Radiator
$507.60
$507.60
Koyo Koyo 2020 Toyota Supra 3.0L Turbo Radiator
$870.00
$870.00
Koyo Koyo 01-06 BMW E46 M3 3.2L I6 Radiator
$746.40
$746.40
SOLD OUT
Koyo Koyo 88-99 BMW 3-Series inc. E36 M3 (MT / 6 Cyl. ONLY) Radiator
$421.20
$421.20
Koyo Koyo 08-13 BMW M3 E90/E92/E93 4.0L (MT/DCT) Radiator
$812.40
$812.40
Koyo Koyo 2017 Honda Civic Type-R Radiator
$562.80
$562.80
Koyo Koyo Honda 92-00 Civic/93-97 Del Sol 1.6L w/ 32mm Inlet/Outlet Pipes MT Radiator
$362.40
$362.40
Koyo Koyo 92-00 Honda Civic Si/Del Sol (MT / w/ 28mm Hoses) Radiator
$348.00
$348.00
Koyo Koyo 83-85 Mazda RX-7 fits 1.1/1.3L MT (Includes GSL-SE Trim)
$439.20
$439.20
Koyo Koyo 93-95 Mazda RX-7 1.3L Turbo N-FLO (Dual Pass) Radiator
$512.40
$512.40