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 Subaru WRX 2.0L/2.5L Black Nitrided +1mm Head Diam Exhaust Valve - Set of 8
Regular price $186.99Regular price$233.47-$46.48 Sale price $186.99 -
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Vendor:SupertechSupertech Subaru WRX 2.0L 33x5.96x104.20mm +1mm Dia Blk Nitride Exhaust Valve - Single (D/S Only)
Regular price $23.99Regular price$29.28-$5.29 Sale price $23.99 -
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Vendor:SupertechSupertech Subaru EJ20/EJ25 Black Nitrided Exhaust Valve - +0.5mm Oversize - Set of 8
Regular price $185.99Regular price$231.43-$45.44 Sale price $185.99 -
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Vendor:SupertechSupertech Subaru EJ25 Turbo DOHC Black Nitride Exhaust Valve - +0.5mm OS 104.2mm Length - Set of 8
Regular price $185.99Regular price$231.47-$45.48 Sale price $185.99 -
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Vendor:SupertechSupertech Subaru EJ20/EJ25 Black Nitrided Exhaust Valve - +0.5mm Oversize - Single
Regular price $23.99Regular price$28.92-$4.93 Sale price $23.99 -
-$45.22
Vendor:SupertechSupertech Subaru EJ20/EJ25 Black Nitrided Exhaust Valve - Set of 8
Regular price $185.99Regular price$231.21-$45.22 Sale price $185.99 -
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Vendor:SupertechSupertech Subaru EJ20/EJ25 Black Nitrided Exhaust Valve - Single (Drop Ship Only)
Regular price $23.99Regular price$28.90-$4.91 Sale price $23.99 -
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Vendor:SupertechSupertech Subaru EG33 H6 24V Black Nitrided Inconel Exhaust Valve - Set of 12
Regular price $474.99Regular price$592.82-$117.83 Sale price $474.99 -
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Vendor:SupertechSupertech Subaru EG33 H6 24V Black Nitrided Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $39.99Regular price$49.54-$9.55 Sale price $39.99 -
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Vendor:SupertechSupertech Subaru BRZ/FRS Exhaust valve 30 (+1) x 5.45 x 97.7mm INCONEL- Set of 8
Regular price $323.99Regular price$403.81-$79.82 Sale price $323.99 -
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Vendor:SupertechSupertech Subaru BRZ/FRS Exhaust valve 30 (+1) x 5.45 x 97.7mm INCONEL
Regular price $40.99Regular price$50.47-$9.48 Sale price $40.99 -
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Vendor:SupertechSupertech Subaru BRZ/Scion FR-S 2.0L 30x5.45x95.15mm Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $36.99Regular price$45.10-$8.11 Sale price $36.99 -
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Vendor:SupertechSupertech Subaru/Toyota FA20 Inconel Exhaust Valve - Set of 8
Regular price $282.99Regular price$352.81-$69.82 Sale price $282.99 -
-$71.90
Vendor:SupertechSupertech Toyota FRS / Subaru BRZ Inconel Exhaust Valve - Set of 8
Regular price $288.99Regular price$360.89-$71.90 Sale price $288.99 -
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Vendor:SupertechSupertech Toyota FRS / Subaru BRZ Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $36.99Regular price$45.10-$8.11 Sale price $36.99 -
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Vendor:SupertechSupertech Subaru/Toyota FA20 Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $35.99Regular price$44.11-$8.12 Sale price $35.99 -
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Vendor:SupertechSupertech Subaru H6 (w/Variable Intake Lift) Inconel Exhaust Valve - Set of 12
Regular price $515.99Regular price$644.69-$128.70 Sale price $515.99 -
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Vendor:SupertechSupertech Subaru H6 (w/Variable Intake Lift) Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $42.99Regular price$53.73-$10.74 Sale price $42.99 -
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Vendor:SupertechSupertech Subaru EZ30 H6 (2nd Gen) 30.5mm Head Diameter Inconel Exhaust Valve - Set of 12
Regular price $510.99Regular price$637.81-$126.82 Sale price $510.99 -
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Vendor:SupertechSupertech Subaru EZ30D H6 (w/Variable Intake Lift) Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $42.99Regular price$53.16-$10.17 Sale price $42.99 -
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Vendor:SupertechSupertech Subaru EZ36 Inconel 32mmx5.45mmx103.50mm Exhaust Valve - Single (Drop Ship Only)
Regular price $47.99Regular price$58.91-$10.92 Sale price $47.99 -
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Vendor:SupertechSupertech Subaru H6 32mm (+1.5mm)x5.45x103.25mm Inconel Dish Exhaust Valve - Single (Drop Ship Only)
Regular price $60.99Regular price$75.20-$14.21 Sale price $60.99 -
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Vendor:SupertechSupertech Subaru H6 31.5x5.45x103.25mm Blk Nitride Dish Exhaust Valve - Single (Drop Ship Only)
Regular price $42.99Regular price$53.16-$10.17 Sale price $42.99 -
-$67.88
Vendor:SupertechSupertech Subaru EJ25 Non Turbo SOHC Inconel Exhaust Valve - +1mm Oversize - Set of 8
Regular price $273.99Regular price$341.87-$67.88 Sale price $273.99 -
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Vendor:SupertechSupertech Subaru EJ25 Non Turbo SOHC Inconel Exhaust Valve - +1mm Oversize - Single (Drop Ship Only)
Regular price $34.99Regular price$42.74-$7.75 Sale price $34.99 -
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Vendor:SupertechSupertech Subaru 2.5L SOHC 32x5.95x121.70mm Tip 5mm Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $48.99Regular price$60.15-$11.16 Sale price $48.99 -
-$69.82
Vendor:SupertechSupertech Subaru EJ25 Inconel Exhaust Valve - Set of 8
Regular price $282.99Regular price$352.81-$69.82 Sale price $282.99 -
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Vendor:SupertechSupertech Subaru EJ25 Inconel Exhaust Valve - Single (Drop Ship Only)
Regular price $35.99Regular price$44.11-$8.12 Sale price $35.99 -
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Vendor:SupertechSupertech Subaru EJ25 2.5L Inconel Exhaust Valve - +1mm Oversize - Set of 8
Regular price $356.99Regular price$444.99-$88.00 Sale price $356.99 -
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Vendor:SupertechSupertech Subaru EJ25 2.5L Inconel Exhaust Valve - +1mm Oversize - Single (Drop Ship Only)
Regular price $44.99Regular price$55.63-$10.64 Sale price $44.99 -
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Vendor:SupertechSupertech Subaru EJ20/EJ25 Sodium Filled Inconel Exhaust Valve - +1mm Oversize - Set of 8
Regular price $453.99Regular price$567.10-$113.11 Sale price $453.99 -
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Vendor:SupertechSupertech Subaru EJ20/EJ25 Sodium Filled Inconel Exhaust Valve - +1mm Oversize - Single (D/S Only)
Regular price $56.99Regular price$70.90-$13.91 Sale price $56.99 -
-$69.82
Vendor:SupertechSupertech Subaru EJ20/EJ25 Inconel Exhaust Valve - +1mm Oversize - Set of 8
Regular price $282.99Regular price$352.81-$69.82 Sale price $282.99 -
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Vendor:SupertechSupertech Subaru WRX 2.0L/2.5L 33x5.96x104.20mm +1mm Head Dia Inconel Exhaust Valve - Set of 8
Regular price $282.99Regular price$352.76-$69.77 Sale price $282.99 -
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Vendor:SupertechSupertech Subaru WRX 2.0L/2.5L 33.0x5.96x104.20mm Inconel + 1mm Dia Exhaust Valve- Single (D/S Only)
Regular price $35.99Regular price$44.11-$8.12 Sale price $35.99