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Koyo

Maximize your engine's potential and prevent overheating with the full line of Koyo performance aluminum radiatorsand cooling components, proudly offered in Canada by Straight Six Imports. As an authorized Canadian dealer, we stock the genuine Koyorad products you need for your JDM, import, and performance vehicle, ensuring maximum cooling efficiency for the street, track, or drift course.

Koyorad is the global leader in high-performance cooling, trusted by racers and tuners for their superior design, quality materials, and precision OEM-fitment. Shop our extensive inventory of Koyo radiators including the robust R-Core (53mm), the versatile Hyper V-Core (36mm), and the popular HH-Series. Each radiator is Nocolok-brazed and TIG-welded for unmatched durability and heat dissipation.

Upgrade your cooling system with a Koyo aluminum radiator for your Subaru WRX/STI, Toyota GR86/BRZ/FR-S, Honda Civic/S2000, Nissan 350Z/370Z, Mitsubishi Evo, and more. We also carry Koyo oil coolers, filler necks, radiator caps, and intercooler cores. Get a direct bolt-in replacement that eliminates fitment headaches and provides optimal temperature control for your modified or high-power engine.

Protect your investment with genuine Koyo technology. Shop Canada's top source for Koyorad parts—Straight Six Imports.

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Koyo 2022 Honda Civic 1.5L Turbo (MT and CVT) / 2023 Acura Integra All Aluminum Radiator $826.60 CAD ~~$1,123.08 CAD~~

Koyorad HH Series All-Aluminum Racing Radiator - Toyota Tundra / Sequoia V8 (P/N: HH012076) *Requires SK-C13* $599.99 CAD ~~$957.60 CAD~~

Koyorad HH Series N-Flo Aluminum Racing Radiator - Mazda RX-7 FC3S M/T (P/N: HH060643N) $450.00 CAD ~~$787.08 CAD~~

Koyo 2022+ Toyota GR86 and Subaru BRZ Competition All-Aluminum Radiator $654.47 CAD ~~$889.28 CAD~~

Koyo 05-13 Chevrolet Corvette C6 Racing Radiator $855.64 CAD ~~$1,162.56 CAD~~

Koyo 23+ Honda Civic Type R (FL5) All Aluminum Radiator $655.08 CAD ~~$890.12 CAD~~

Koyo 35 Row Oil Cooler 11.25in x 11in x 2in (-10AN ORB provisions) $516.24 CAD ~~$701.40 CAD~~

Koyo 25 Row Oil Cooler 11.25in x 7.5in x 2in (AN-10 ORB provisions) $333.60 CAD ~~$453.32 CAD~~

Koyo 19 Row Oil Cooler 11.25in x 5.75in x 2in (AN-10 ORB provisions) $306.40 CAD ~~$416.36 CAD~~

Koyo 10 Row Oil Cooler 11.25in x 3in x 2in (AN-10 ORB provisions) $185.85 CAD ~~$252.56 CAD~~

Koyo 99-05 BMW E46 (Non M3) M/T ONLY Radiator $511.90 CAD ~~$695.52 CAD~~

Koyo 14-19 Ford Fiesta ST 36mm Hyper Core + NFLO Triple Pass Radiator $766.37 CAD ~~$1,041.32 CAD~~

Koyo 13-17 Ford Focus ST 2.0L I4 Turbo Racing Radiator $756.35 CAD ~~$1,027.60 CAD~~

Koyo 04-08 Subaru Forester XT 2.5L Turbo (MT) Radiator $613.04 CAD ~~$833.00 CAD~~

Koyo 17-22 Subaru Impreza 2.0L Non-Turbo / 18-22 Crosstrek 2.0/2.5L Non-Turbo Aluminum Radiator $649.53 CAD ~~$882.56 CAD~~

Koyo 03-07 Subaru Impreza WRX/STI (MT / w/ Filler Neck) Radiator $554.57 CAD ~~$753.48 CAD~~

Koyo 08-15 Subaru WRX / STI 05-09 Subaru Legacy GT 2.5L (MT / w/ Filler Neck) Radiator $582.76 CAD ~~$791.84 CAD~~

Koyo 99-01 Subaru Impreza RS / Outback 99-02 Subaru Forester 2.5L Performance Radiator $583.62 CAD ~~$792.96 CAD~~

Koyo 2002 Subaru Impreza WRX 2.0L Turbo Radiator $572.11 CAD ~~$777.28 CAD~~

Koyo 91-94 Subaru Legacy 2.2L Turbo (MT) Radiator $496.69 CAD ~~$674.80 CAD~~

Koyo 2016-2018 Honda Civic 1.5L Radiator (Excl. Type R) $566.94 CAD ~~$770.28 CAD~~

Koyo 00-09 Honda S2000 2.0/2.2L (MT) Radiator $560.75 CAD ~~$761.88 CAD~~

Koyo 06-08 Mazdaspeed 6 2.3L Turbo Radiator $566.06 CAD ~~$769.16 CAD~~

Koyo 06-13 Mazda MX-5 Miata (MT) Radiator $602.79 CAD ~~$819.00 CAD~~

Koyo 99-05 Mazda MX-5 Miata 1.8L (MT) Radiator $484.45 CAD ~~$658.28 CAD~~

Koyo 89-97 Mazda MX-5 Miata 1.6/1.8L (MT) Radiator $484.45 CAD ~~$658.28 CAD~~

Koyo 09-17 Nissan 370Z 6MT Radiator (Eliminates AC Condenser) $785.54 CAD ~~$1,067.36 CAD~~

Koyo 03-06 Nissan 350Z VQ35DE (MT) Cross Flow Radiator $639.26 CAD ~~$868.56 CAD~~

Koyo 90-96 Nissan 300ZX 3.0L Non Turbo MT Radiator $506.35 CAD ~~$687.96 CAD~~

Koyo 71-74 Toyota Corolla 1.6L TE27/TE28/TS21 Manual Radiator $511.90 CAD ~~$695.52 CAD~~

Koyorad 01-05 Lexus IS300 (w/ Manual Transmission) Racing Radiator $631.84 CAD ~~$858.48 CAD~~

Koyo 00-05 Toyota MR2 Spyder 1.8L I4 MT (Manual Transmission) All-Aluminum Radiator $574.35 CAD ~~$780.36 CAD~~

Koyo 84-87 Toyota Corolla RWD w/ 3SGE BEAMS 2.0L Engine Swap Manual Radiator $571.63 CAD ~~$776.72 CAD~~

Koyo 96-02 Toyota 4Runner 2.7L / 3.4L w/ 5MT Radiator (Requires Cap PN SK-C13) $658.06 CAD ~~$894.04 CAD~~

Koyo 89-92 Toyota Cressida 3.0L I6 Manual Only $576.58 CAD ~~$783.44 CAD~~

Koyo 07-08 Nissan 350Z VQ35HR (MT) Radiator $573.73 CAD ~~$779.52 CAD~~

Koyo 08-09 Mitsubishi Evolution X (AT/MT) / Ralliart Turbo Radiator $526.74 CAD ~~$715.68 CAD~~

Koyo 06-11 Honda Civic Si 2.0L Coupe/Sedan (MT) Radiator $475.79 CAD ~~$646.52 CAD~~

Koyo 04-08 Mazda RX-8 1.3L (MT) Radiator $510.06 CAD ~~$693.00 CAD~~

Koyo 03-07 Infiniti G35 Coupe / 03-06 G35 Sedan VQ35DE (MT) Radiator $570.64 CAD ~~$775.32 CAD~~

Koyo 02-05 Honda Civic Si 2.0L EP3 (MT) Radiator $505.34 CAD ~~$686.56 CAD~~

Koyo 02-06 Acura RSX Base/Type-S (MT) Radiator (Req. Non-OEM Rad. Cap) $505.72 CAD ~~$687.12 CAD~~

Koyo 03-05 Dodge SRT-4 2.4L Turbo (MT) Radiator $495.22 CAD ~~$672.84 CAD~~

Koyo 01-05 Lexus IS300 (MT) Radiator $536.26 CAD ~~$728.56 CAD~~

Koyo 91-05 Acura NSX 3.0/3.2L (MT) Radiator $689.35 CAD ~~$936.60 CAD~~

Koyo 94-01 Acura Integra (MT w/ Showa/Denso OEM) Radiator $478.52 CAD ~~$650.16 CAD~~

Koyo 94-01 Acura Integra w/ K-Series Swaps (2.0/2.4L) Radiator $525.50 CAD ~~$714.00 CAD~~

Koyo Hyper Radiator Cap - Shallow Plunger Style - Blue Label $50.70 CAD ~~$68.88 CAD~~

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