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 Sirius Unify Oil Temperature Gauge Set (Sirius Meter w/Oil Temp Sensor Set & Vision Disp)
Regular price $769.99Regular price$810.48-$40.49 Sale price $769.99 -
Vendor:GReddy
GReddy Sirius Unify Water Temperature Gauge Set (Sirius Meter w/Water Temp Sensor Set & Vision Disp)
Regular price $769.99Regular price$810.48-$40.49 Sale price $769.99 -
Vendor:GReddy
GReddy Sirius Unify Turbo Boost Gauge Set (Sirius Meter w/Boost Pressure Sensor Set & Vision Displ)
Regular price $850.99Regular price$895.16-$44.17 Sale price $850.99 -
Vendor:GReddy
GReddy Sirius Meter - Fuel Pressure 0/6.0kPa 74mm Analog Gauge (w/Fuel Press Sensor & Harness Set)
Regular price $373.99Regular price$393.15-$19.16 Sale price $373.99 -
Vendor:GReddy
GReddy Sirius Meter - Oil Pressure 0/10.0kPa 74mm Analog Gauge (w/Oil Press Sensor & Harness Set)
Regular price $373.99Regular price$393.15-$19.16 Sale price $373.99 -
Vendor:GReddy
GReddy Sirius Meter - Oil Temp 20/140 (Deg.C) 74mm Analog Gauge (w/Oil Temp Sensor & Harness Set)
Regular price $275.99Regular price$290.32-$14.33 Sale price $275.99 -
Vendor:GReddy
GReddy Sirius Meter - Water Temp 0/120 (Deg.C) 74mm Analog Gauge (w/Water Temp Sensor & Harness Set)
Regular price $275.99Regular price$290.32-$14.33 Sale price $275.99 -
Vendor:GReddy
GReddy Sirius Meter - Turbo Boost 74mm Analog Display Gauge (w/Boost Sensor & Harness Set)
Regular price $373.99Regular price$393.15-$19.16 Sale price $373.99 -
Vendor:GReddy
GReddy Sirius Control Unit (REQUIRED For Vision/Meter Gauges & Unify Sets)
Regular price $195.99Regular price$205.65-$9.66 Sale price $195.99 -
Vendor:GReddy
GReddy Sirius Vision Display (Turbo / Press / Temp / Voltage) 68mm Clear Thin-Film EL Display Gauge
Regular price $551.99Regular price$580.65-$28.66 Sale price $551.99 -
Vendor:GReddy
GReddy GReddy Profec OLED Electronic Boost Controller Harness
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
Vendor:GReddy
GReddy Profec B Spec 2 4mm In-Line Filter
Regular price $5.99Regular price$6.00-$0.01 Sale price $5.99 -
Vendor:GReddy
GReddy PRofec Electronic Boost Controller - Amber OLED
Regular price $451.99Regular price$475.00-$23.01 Sale price $451.99 -
Vendor:GReddy
GReddy PRofec Electronic Boost Controller
Regular price $408.99Regular price$430.00-$21.01 Sale price $408.99 -
Vendor:GReddy
GReddy Honda S2000 Version 2 High Capacity Differential Cover
Regular price $836.99Regular price$880.00-$43.01 Sale price $836.99 -
Vendor:GReddy
Greddy 93+ Mazda RX-7 FD3S Differential Cover
Regular price $437.99Regular price$460.00-$22.01 Sale price $437.99 -
Vendor:GReddy
Greddy R32 / R33 / R34 Rear Diff Cover
Regular price $437.99Regular price$460.00-$22.01 Sale price $437.99 -
Vendor:GReddy
Greddy RB26 Front Diff Cover
Regular price $418.99Regular price$440.00-$21.01 Sale price $418.99 -
Vendor:GReddy
Greddy Nissan S14/S15 Differential Cover
Regular price $437.99Regular price$460.00-$22.01 Sale price $437.99 -
Vendor:GReddy
GReddy 13+ Scion FR-S / 13+ Subaru BRZ / 13+ Toyota 86 Differential Cover
Regular price $570.99Regular price$600.00-$29.01 Sale price $570.99 -
Vendor:GReddy
GReddy M8x1.25 INSERT FOR TYPE A/ A01/ A02 SHIFT KNOBS
Regular price $33.99Regular price$35.00-$1.01 Sale price $33.99 -
Vendor:GReddy
Greddy Shift Knob A02 - Low Type (Compatible w/ Reverse Lockout) - Black Out
Regular price $94.99Regular price$99.00-$4.01 Sale price $94.99 -
Vendor:GReddy
Greddy Shift Knob A01- High Type - Black Out
Regular price $94.99Regular price$99.00-$4.01 Sale price $94.99 -
Vendor:GReddy
Greddy Shift Knob A02 - Low Type w/ Reverse Lockout Lever
Regular price $90.99Regular price$95.00-$4.01 Sale price $90.99 -
Vendor:GReddy
Greddy Shift Knob A01- High Type
Regular price $90.99Regular price$95.00-$4.01 Sale price $90.99 -
Vendor:GReddy
GReddy 2017+ Honda Civic Type-R FK8 Competition Only Front Bumper Bar
Regular price $361.99Regular price$380.00-$18.01 Sale price $361.99 -
Vendor:GReddy
GReddy Nissan Skyline GTR RB26DETT BNR32/BCNR33/BNR34 Fuel Delivery Tube 11mm Black
Regular price $285.99Regular price$300.00-$14.01 Sale price $285.99 -
Vendor:GReddy
GReddy Nissan Skyline GTR RB26DETT BNR32/BCNR33/BNR34 Fuel Delivery Tube 11mm Blue
Regular price $285.99Regular price$300.00-$14.01 Sale price $285.99 -
Vendor:GReddy
GReddy Nissan ECR33 Throttle Adapter
Regular price $142.99Regular price$150.00-$7.01 Sale price $142.99 -
Vendor:GReddy
GReddy Nissan S13 SR20DET Tank Pipe Set - Adapts S13 Plenum to GReddy I/C Kit w/Pulsar Throttle Body
Regular price $190.99Regular price$200.00-$9.01 Sale price $190.99 -
Vendor:GReddy
GReddy Nissan S13 Surge Tank Pipe Set (Standard)
Regular price $199.99Regular price$210.00-$10.01 Sale price $199.99 -
Vendor:GReddy
GReddy Nissan S14/S15 SR20DET Surge Tank Pipe Set
Regular price $285.99Regular price$300.00-$14.01 Sale price $285.99 -
Vendor:GReddy
GReddy Type-S No Relief Radiator Cap Most Nissan/Subaru/Mazda/Mitsubishi/Some Toyota - Polished
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
Vendor:GReddy
GReddy Type-N No Relief Radiator Cap Most Honda / Some Toyota - Polished
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99 -
Vendor:GReddy
GReddy Type-S No Relief Radiator Cap Most Nissan / Subaru / Mazda / Mitsubishi / Some Toyota - Black
Regular price $17.99Regular price$18.00-$0.01 Sale price $17.99