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 LS1 SB Chevy 2.060inx.3138x4.895in Blk Nitride Intake Valve - Single (Drop Ship Only)
Regular price $21.99Regular price$26.37-$4.38 Sale price $21.99 -
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Vendor:SupertechSupertech LS1 SB Chevy 2.020x.3138x4.895in Blk Nitride Intake Valve - Single (Drop Ship Only)
Regular price $20.99Regular price$25.67-$4.68 Sale price $20.99 -
Vendor:SupertechSupertech Valve Spring Shim 1.140in OD .570in ID .030in Thick (Drop Ship Only)
Regular price $1.99Regular priceSale price $1.99 -
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Vendor:SupertechSupertech Spring Seat Locator OD 20.10mm ID 13.60mm 2.50mm - Single (Drop Ship Only)
Regular price $6.99Regular price$8.58-$1.59 Sale price $6.99 -
Vendor:SupertechSupertech Valve Spring Shim .515in OD .796in ID .030in Thick (Drop Ship Only)
Regular price $1.99Regular priceSale price $1.99 -
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Vendor:SupertechSupertech Exhaust Spring Seat Nissan RB25 OD 28mm ID 19.80mm 3.9mm Thick - Set of 12
Regular price $83.99Regular price$104.40-$20.41 Sale price $83.99 -
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Vendor:SupertechSupertech Exhaust Spring Seat Nissan RB25 OD 28mm ID 19.80mm 3.9mm Thick
Regular price $6.99Regular price$8.58-$1.59 Sale price $6.99 -
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Vendor:SupertechSupertech Spring Seat Locator OD 28mm ID 19.80mm 2.20mm - Set of 24
Regular price $164.99Regular price$206.04-$41.05 Sale price $164.99 -
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Vendor:SupertechSupertech Spring Seat Locator OD 28mm ID 19.80mm 2.20mm - Set of 12
Regular price $82.99Regular price$103.03-$20.04 Sale price $82.99 -
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Vendor:SupertechSupertech Spring Seat Locator OD 28mm ID 19.80mm 2.20mm - Single (Drop Ship Only)
Regular price $6.99Regular price$8.58-$1.59 Sale price $6.99 -
Sold outVendor:Supertech
Supertech Yamaha YXZ1000/TR1 21.45mm OD 15.25mm ID 47lbs/34.7mm Single Valve Spring Kit
Regular price $314.99Regular price$392.64-$77.65 Sale price $314.99 -
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Vendor:SupertechSupertech VW 2.0L/1.8 16V/2.2L 5cyl 20V Dual Valve Spring Kit
Regular price $683.99Regular price$854.60-$170.61 Sale price $683.99 -
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Vendor:SupertechSupertech VW 2.0L/1.8L 16V Dual Valve Spring Kit
Regular price $547.99Regular price$683.71-$135.72 Sale price $547.99 -
-$89.35
Vendor:SupertechSupertech VW VR6 12V Dual Valve Spring Kit
Regular price $358.99Regular price$448.34-$89.35 Sale price $358.99 -
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Vendor:SupertechSupertech VW 1.8L/2.0L 8V 8mm stem Dual Valve Spring Kit
Regular price $294.99Regular price$367.62-$72.63 Sale price $294.99 -
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Vendor:SupertechSupertech VW 1.8L/2.0L 8V 7mm stem Dual Valve Spring Kit
Regular price $294.99Regular price$367.62-$72.63 Sale price $294.99 -
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Vendor:SupertechSupertech VW 1.8L/2.0L 8V 8mm Stem (Race Only) Dual Valve Spring Kit (8mm Stem)
Regular price $273.99Regular price$341.84-$67.85 Sale price $273.99 -
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Vendor:SupertechSupertech VW 1.8L/2.0L 8V 7mm Stem (Race Only) Dual Valve Spring Kit (7mm stem)
Regular price $273.99Regular price$341.84-$67.85 Sale price $273.99 -
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Vendor:SupertechSupertech Toyota 2UZ-FE V8 32V Single Valve Spring Kit
Regular price $835.99Regular price$1,044.43-$208.44 Sale price $835.99 -
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Vendor:SupertechSupertech Toyota 1ZZ-FE Single Valve Spring Kit
Regular price $527.99Regular price$659.66-$131.67 Sale price $527.99 -
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Vendor:SupertechSupertech Nissan CA18DE Single Valve Spring Ki
Regular price $450.99Regular price$563.42-$112.43 Sale price $450.99 -
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Vendor:SupertechSupertech Nissan VQ35DE 24V/VK56 32V Single Valve Spring Kit
Regular price $626.99Regular price$783.31-$156.32 Sale price $626.99 -
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Vendor:SupertechSupertech Honda Integra LS B18A/B Single Valve Spring Kit
Regular price $527.99Regular price$659.66-$131.67 Sale price $527.99 -
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Vendor:SupertechSupertech Opel/Vauxhall Z20LET 16V Dual Valve Spring Kit
Regular price $588.99Regular price$735.22-$146.23 Sale price $588.99 -
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Vendor:SupertechSupertech Nissan VG30 Dual Valve Spring Kit
Regular price $742.99Regular price$927.62-$184.63 Sale price $742.99 -
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Vendor:SupertechSupertech Toyota 1ZZ-FE Dual Valve Spring Kit
Regular price $588.99Regular price$735.22-$146.23 Sale price $588.99 -
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Vendor:SupertechSupertech Toyota 1GR-FE 24V Dual Valve Spring Kit
Regular price $882.99Regular price$1,102.84-$219.85 Sale price $882.99 -
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Vendor:SupertechSupertech Subaru EJ20/25 64lbs/36mm Dual Spring Kit
Regular price $547.99Regular price$683.71-$135.72 Sale price $547.99 -
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Vendor:SupertechSupertech Subaru EJ20/25 64lbs/36mm Dual Spring Kit
Regular price $588.99Regular price$735.22-$146.23 Sale price $588.99 -
Sold outVendor:Supertech
Supertech Subaru EJ20/25 70lbs/35.5mm Dual Valve Spring - Single (Drop Ship Only)
Regular price $547.99Regular price$683.71-$135.72 Sale price $547.99 -
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Vendor:SupertechSupertech Subaru EZ30 (1st Gen) Dual Valve Spring Kit
Regular price $820.99Regular price$1,025.51-$204.52 Sale price $820.99 -
-$146.23
Vendor:SupertechSupertech Subaru Impreza EJ25 Dual Valve Spring Kit
Regular price $588.99Regular price$735.22-$146.23 Sale price $588.99 -
-$135.72
Vendor:SupertechSupertech Subaru WRX/STi 16V Dual Valve Spring Kit
Regular price $547.99Regular price$683.71-$135.72 Sale price $547.99 -
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Vendor:SupertechSupertech Subaru WRX/STi 16V Dual Valve Spring Kit
Regular price $547.99Regular price$683.71-$135.72 Sale price $547.99 -
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Vendor:SupertechSupertech Subaru EJ20/25 70lbs/35.5mm Dual Valve Spring Kit (w/Steel Retainers)
Regular price $529.99Regular price$661.54-$131.55 Sale price $529.99