Enhance Your JDM Drivetrain Efficiency With Koyo Performance Parts
Optimize your drivetrain with the Koyo collection at HD Werks, featuring genuine, high-performance components engineered for racing and aftermarket tuning. These original parts deliver custom upgrades that enhance engine reliability and transmission efficiency. Designed with Japanese precision, Koyo products offer authentic quality and robust performance for aggressive driving. Experience improved power transfer and dynamic control with parts built for superior performance enhancements. Shop our Koyo range for original components that transform your drivetrain into a powerhouse of reliability and efficiency.
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Vendor:KoyoKoyo 92-96 Toyota Chaser/Mark II/Cresta (JZX90) 2.5L Turbo (M/T) Radiator (JDM Only)
Regular price $616.99Regular price -
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Vendor:KoyoKoyo 16-22 Infiniti Q50 / Q60 3.0L Twin Turbo (Includes Red Sport) Aluminum Heat Exchanger
Regular price $902.99Regular price$828.00Sale price $902.99 -
Vendor:KoyoKoyo 2022 Toyota GR86/ Subaru BRZ Aluminum Filler Neck
Regular price $98.99Regular price$90.00Sale price $98.99 -
Vendor:Koyo
Koyo 13-16 Scion FR-S / Subaru BRZ Aluminum Filler Neck
Regular price $98.99Regular price$90.00Sale price $98.99 -
Vendor:KoyoKoyo 06-11 Honda Civic Aluminum Filler Neck
Regular price $97.99Regular price$90.00Sale price $97.99 -
Vendor:KoyoKoyo Universal Aluminum HyperCore Intercooler Core (24in. X 10in. X 2.5in.)
Regular price $450.99Regular price -
Vendor:KoyoKoyo Universal Aluminum HyperCore Intercooler Core (22in. X 14in. X 2.5in.)
Regular price $414.99Regular price -
Vendor:KoyoKoyo Universal Aluminum HyperCore Intercooler Core (18in. X 5in. X 2.5in.)
Regular price $300.99Regular price -
Vendor:KoyoKoyo Universal Aluminum HyperCore Intercooler Core (28in. X 10in. X 4in.)
Regular price $520.99Regular price -
Vendor:KoyoKoyo Universal Aluminum HyperCore Intercooler Core (23in. X 11in. X 4in.)
Regular price $514.99Regular price -
Vendor:KoyoKoyo 00-05 Toyota MR2 Spyder 1.8L I4 MT (Manual Transmission) All-Aluminum Radiator
Regular price $557.99Regular price -
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Vendor:KoyoKoyo 93-98 Toyota Supra NA/Turbo (MT) Radiator
Regular price $602.99Regular price$603.00-$0.01 Sale price $602.99 -
Vendor:KoyoKoyo 86-92 Toyota Supra NA/Turbo MT Only (USDM Vehicles Req. M16x1.5 Plug) Radiator
Regular price $547.99Regular price$486.00Sale price $547.99 -
Vendor:KoyoKoyo 2020 Toyota Supra 3.0L Turbo Radiator
Regular price $1,008.99Regular price$870.00Sale price $1,008.99 -
Vendor:KoyoKoyo 09-17 Nissan 370Z 6MT Radiator (Eliminates AC Condenser)
Regular price $762.99Regular price$696.00Sale price $762.99 -
Vendor:KoyoKoyo 03-06 Nissan 350Z VQ35DE (MT) Cross Flow Radiator
Regular price $620.99Regular price$558.00Sale price $620.99 -
Vendor:KoyoKoyo 07-08 Nissan 350Z VQ35HR (MT) Radiator
Regular price $556.99Regular price -
Vendor:KoyoKoyo 08-09 Mitsubishi Evolution X (AT/MT) / Ralliart Turbo Radiator
Regular price $511.99Regular price$450.00Sale price $511.99 -
Vendor:KoyoKoyo 03-07 Mitsubishi Evolution 7/8/9 Turbo (MT) Half-Size RACE Radiator
Regular price $492.99Regular price -
Vendor:KoyoKoyo 03-07 Mitsubishi Evolution 8/9 2.0L Turbo (MT) Radiator
Regular price $558.99Regular price -
Vendor:KoyoKoyo 09-13 Nissan GT-R 3.8L (AT) Radiator
Regular price $821.99Regular price -
Vendor:KoyoKoyo 03-06 Nissan 350Z 3.5L V6 Radiator
Regular price $542.99Regular price
