Upgrade Your Car with Supertech Performance Parts
Revitalize your vehicle with our Supertech collection, offering high-performance parts engineered for racing excellence. Crafted with original quality and genuine Japanese design, these components provide authentic aftermarket upgrades that improve engine dynamics and overall performance. Supertech parts are built for durability and innovative performance enhancements, making them ideal for enthusiasts who demand original quality. With a focus on precise engineering and cutting-edge design, our collection delivers true racing performance. Shop at HD Werks for premium Supertech products that set new standards in performance and quality.
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Vendor:SupertechSupertech Renault FR4 RS 2.0L 16V Dual Valve Spring Kit
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
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Vendor:SupertechSupertech GM ECOTEC 2.0L Dual Valve Spring Kit
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
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Vendor:SupertechSupertech Toyota Supra 2JZ-GE/2JZ-GTE Conical Single Valve Spring Kit
Regular price $816.99Regular price$1,019.88-$202.89 Sale price $816.99 -
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Vendor:SupertechSupertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit
Regular price $638.99Regular price$797.71-$158.72 Sale price $638.99 -
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Vendor:SupertechSupertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit
Regular price $638.99Regular price$797.71-$158.72 Sale price $638.99 -
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Vendor:SupertechSupertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit
Regular price $638.99Regular price$797.71-$158.72 Sale price $638.99 -
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Vendor:SupertechSupertech Toyota 2JZ Dual Valve Spring Kit
Regular price $816.99Regular price$1,020.10-$203.11 Sale price $816.99 -
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Vendor:SupertechSupertech Nissan 300ZX VG30D Dual Valve Spring Kit
Regular price $878.99Regular price$1,097.29-$218.30 Sale price $878.99 -
-$218.30
Vendor:SupertechSupertech Toyota 2JZ Dual Valve Spring Kit
Regular price $878.99Regular price$1,097.29-$218.30 Sale price $878.99 -
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Vendor:SupertechSupertech Opel/Vauxhall Z20LET 16V Dual Valve Spring Kit
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
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Vendor:SupertechSupertech Opel Z16/Z18 LER/ A18XER 16V Dual Valve Spring Kit (Use Factory Seat)
Regular price $609.99Regular price$762.06-$152.07 Sale price $609.99 -
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Vendor:SupertechSupertech Toyota 1GR-FE 4.0L V6 24V Dual Valve Spring Kit
Regular price $944.99Regular price$1,180.03-$235.04 Sale price $944.99 -
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Supertech Subaru EJ20/25 58lbs/36mm Dual Spring Kit
Regular price $615.99Regular price$768.62-$152.63 Sale price $615.99 -
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Supertech Polaris XP900 Dual Valve Spring Kit
Regular price $264.99Regular price$330.85-$65.86 Sale price $264.99 -
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Vendor:SupertechSupertech Nissan CA18DET 16V Dual Valve Spring Kit
Regular price $585.99Regular price$731.56-$145.57 Sale price $585.99 -
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Vendor:SupertechSupertech Nissan VK56 Dual Valve Spring Kit
Regular price $1,257.99Regular price$1,571.46-$313.47 Sale price $1,257.99 -
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Vendor:SupertechSupertech Nissan VQ35DET Dual Valve Spring Kit
Regular price $878.99Regular price$1,097.29-$218.30 Sale price $878.99 -
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Vendor:SupertechSupertech Nissan VR38DETT 3.8L 24V Beehive Valve Spring Kit
Regular price $944.99Regular price$1,180.03-$235.04 Sale price $944.99 -
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Vendor:SupertechSupertech Nissan GTR VR38DETT 24V Dual Valve Spring Kit
Regular price $944.99Regular price$1,180.03-$235.04 Sale price $944.99 -
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Vendor:SupertechSupertech Ford ECOBOOST 2.0L/2.3L Dual Valve Spring Kit (Use with OEM seal)
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
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Vendor:SupertechSupertech Renault FR4 RS 2.0L 16V Dual Valve Spring Kit
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
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Vendor:SupertechSupertech GM ECOTEC 2.0L Dual Valve Spring Kit
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
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Vendor:SupertechSupertech Opel/Vauxhall C20XE 16V Dual Valve Spring Kit
Regular price $364.99Regular price$455.85-$90.86 Sale price $364.99 -
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Vendor:SupertechSupertech Toyota 2JZ Dual Valve Spring Kit
Regular price $816.99Regular price$1,020.10-$203.11 Sale price $816.99 -
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Vendor:SupertechSupertech Nissan 300ZX VG30D Dual Valve Spring Kit
Regular price $878.99Regular price$1,097.29-$218.30 Sale price $878.99 -
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Vendor:SupertechSupertech Toyota 2JZ Dual Valve Spring Kit
Regular price $878.99Regular price$1,097.29-$218.30 Sale price $878.99 -
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Vendor:SupertechSupertech Toyota 2JZ Dual Valve Spring Kit- (24)SPR-TS1009 + (24)RET-TS60/T1-2
Regular price $860.99Regular price$1,075.24-$214.25 Sale price $860.99 -
-$140.84
Vendor:SupertechSupertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm
Regular price $564.99Regular price$705.83-$140.84 Sale price $564.99 -
-$156.69
Vendor:SupertechSupertech 05-15 Ford Focus 2.0L Dual Valve Spring Kit
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
-$156.69
Vendor:SupertechSupertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit
Regular price $629.99Regular price$786.68-$156.69 Sale price $629.99 -
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Vendor:SupertechSupertech Ford/Mazda DURATEC 2.0L/2.3L Single Beehive Valve Spring Kit
Regular price $637.99Regular price$797.00-$159.01 Sale price $637.99 -
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Vendor:SupertechSupertech Ford/Mazda DURATEC 2.0L/2.3L Single Beehive Valve Spring Kit
Regular price $638.99Regular price$797.71-$158.72 Sale price $638.99 -
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Vendor:SupertechSupertech Ford Duratec 2.0L/2.3L Beehive Valve Spring Kit
Regular price $638.99Regular price$797.71-$158.72 Sale price $638.99 -
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Vendor:SupertechSupertech Toyota 7MGTE 24V Single Valve Spring Kit
Regular price $701.99Regular price$876.74-$174.75 Sale price $701.99 -
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Vendor:SupertechSupertech Toyota 4AGE 16V Single Valve Spring Kit
Regular price $467.99Regular price$584.50-$116.51 Sale price $467.99