Revamp Your JDM Exhaust & Engine With GReddy Tuning Solutions
Experience next-level performance with the GReddy collection at HD Werks, featuring genuine, high-performance components for engine and exhaust upgrades. These original parts, designed for racing and aftermarket tuning, deliver custom solutions that boost power delivery and dynamic control. Engineered with Japanese precision, GReddy products provide authentic quality and durability for both competitive track use and daily driving. Experience innovative enhancements with parts built for aggressive tuning and exceptional performance. Shop our GReddy range for original components that make your ride stand out.
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Vendor:GReddy
GReddy X TRS Shoulder Pads 75mm - Red
Regular price $52.99Regular price$55.00-$2.01 Sale price $52.99 -
Vendor:GReddy
GReddy X TRS Shoulder Pads 75mm - Blue
Regular price $52.99Regular price$55.00-$2.01 Sale price $52.99 -
Vendor:GReddy
GReddy 95-98 Nissan Skyline BNR34 Genuine Leather Brake Boot
Regular price $175.99Regular price$185.00-$9.01 Sale price $175.99 -
Vendor:GReddy
GReddy 99-02 Nissan Skyline BNR34 Genuine Leather Brake Boot
Regular price $175.99Regular price$185.00-$9.01 Sale price $175.99 -
Vendor:GReddy
GReddy Brake Boot 89-94 Nissan Skyline GT-R BNR32 Genuine Leather
Regular price $175.99Regular price$185.00-$9.01 Sale price $175.99 -
Vendor:GReddy
GReddy 95-98 Nissan Skyline BCNR33 Genuine Leather Brake Boot
Regular price $175.99Regular price$185.00-$9.01 Sale price $175.99 -
Vendor:GReddy
GReddy 99-02 Nissan Skyline R34 Genuine Leather Shift Boot
Regular price $175.99Regular price$185.00-$9.01 Sale price $175.99 -
Vendor:GReddy
GReddy Shift Boot 89-94 Nissan Skyline GT-R BNR32 Genuine Leather
Regular price $175.99Regular price$185.00-$9.01 Sale price $175.99 -
Vendor:GReddy
GReddy Sirius Water / Oil Temperature Sensor & Harness Set (Sirius Vision / Meter)
Regular price $114.99Regular price$120.97-$5.98 Sale price $114.99 -
Vendor:GReddy
GReddy Sirius Oil/Fuel Pressure Sensor & Harness Set (Sirius Vision / Meter)
Regular price $189.99Regular price$199.60-$9.61 Sale price $189.99 -
Vendor:GReddy
GReddy Sirius Turbo Boost Pressure Sensor & Harness Set (Sirius Vision / Meter)
Regular price $166.99Regular price$175.40-$8.41 Sale price $166.99 -
Vendor:GReddy
GReddy Sirius OBDII ISO CAN Communication Harness
Regular price $137.99Regular price$145.16-$7.17 Sale price $137.99 -
Vendor:GReddy
GReddy Sirius Temperature Sensor Harness
Regular price $40.99Regular price$42.34-$1.35 Sale price $40.99 -
Vendor:GReddy
GReddy Sirius Pressure Sensor Set (Turbo/Oil/Fuel Pressure) Replacement Sensor Harness ONLY
Regular price $40.99Regular price$42.34-$1.35 Sale price $40.99 -
Vendor:GReddy
GReddy FR-S / BRZ Upper Water Temperature Adapter
Regular price $266.99Regular price$280.00-$13.01 Sale price $266.99 -
Vendor:GReddy
GReddy 40mm Radiator Hose Temp Sensor / Water Pressure Adapter
Regular price $57.99Regular price$60.00-$2.01 Sale price $57.99 -
Vendor:GReddy
GReddy 38mm Radiator Hose Temp Sender Adapter
Regular price $57.99Regular price$60.00-$2.01 Sale price $57.99 -
Vendor:GReddy
GReddy 36mm Radiator Hose Temp Sender Adapter
Regular price $57.99Regular price$60.00-$2.01 Sale price $57.99 -
Vendor:GReddy
GReddy 34mm Radiator Hose Temp Sender Adapter
Regular price $57.99Regular price$60.00-$2.01 Sale price $57.99 -
Vendor:GReddy
GReddy 32mm Radiator Hose Temp Sender Adapter
Regular price $57.99Regular price$60.00-$2.01 Sale price $57.99 -
Vendor:GReddy
GReddy Mazda Miata 4AG BP/B6 Radiator Hose 30mm Upper Water Temperature Adapter
Regular price $57.99Regular price$60.00-$2.01 Sale price $57.99 -
Vendor:GReddy
GReddy Sirius Pressure Sensor Harness Extension
Regular price $28.99Regular price$30.24-$1.25 Sale price $28.99 -
Vendor:GReddy
GReddy Sirius Temperature Sensor Harness Extension
Regular price $28.99Regular price$30.24-$1.25 Sale price $28.99 -
Vendor:GReddy
GReddy A/F Gauge Sensor Harness 2.5M
Regular price $45.99Regular price$48.00-$2.01 Sale price $45.99 -
Vendor:GReddy
GReddy Oil and Water Temp Sensor
Regular price $90.99Regular price$95.00-$4.01 Sale price $90.99 -
Vendor:GReddy
GReddy Oil Pressure Sender Electronic & Warning Gauges
Regular price $171.99Regular price$180.00-$8.01 Sale price $171.99 -
Vendor:GReddy
GReddy M18 Warning Oil Temp Sensor Fitting
Regular price $12.99Regular price$13.50-$0.51 Sale price $12.99 -
Vendor:GReddy
GReddy Boost Gauge Harness 2.0MM
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
Vendor:GReddy
GReddy Sirius OBD Set (Water Unify) - 74mm
Regular price $1,045.99Regular price$1,100.81-$54.82 Sale price $1,045.99 -
Vendor:GReddy
GReddy Sirius OBD Set (Turbo Unify) - 74mm
Regular price $1,091.99Regular price$1,149.19-$57.20 Sale price $1,091.99 -
Vendor:GReddy
GReddy Sirius OBD Set (Water Temperature Meter) - 74mm
Regular price $517.99Regular price$544.35-$26.36 Sale price $517.99 -
Vendor:GReddy
GReddy Sirius OBD Set (Turbo Meter)
Regular price $528.99Regular price$556.45-$27.46 Sale price $528.99 -
Vendor:GReddy
GReddy Sirius OBD Set (Vision)
Regular price $827.99Regular price$870.97-$42.98 Sale price $827.99 -
Vendor:GReddy
GReddy Sirius Unify Fuel Pressure Gauge Set (Sirius Meter w/Fuel Press Sensor Set & Vision Disp)
Regular price $850.99Regular price$895.16-$44.17 Sale price $850.99 -
Vendor:GReddy
GReddy Sirius Unify Oil Pressure Gauge Set (Sirius Meter w/Oil Press Sensor Set & Vision Disp)
Regular price $850.99Regular price$895.16-$44.17 Sale price $850.99