Empower Your JDM Engine With GSC Power Division Components
Discover the GSC Power Division collection at HD Werks, offering genuine, high-performance components engineered for superior engine and powertrain upgrades. These original parts, designed for racing and aftermarket tuning, deliver custom solutions that optimize power output and dynamic control. Crafted with Japanese innovation, GSC products provide authentic quality and robust performance for both track and street use. Experience the perfect blend of original design and aggressive performance. Shop our GSC Power Division range for original components that transform your vehicleís dynamics.
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-$2.59
Vendor:GSC Power DivisionGSC P-D Subaru/Scion FA20 BRZ/FRS/FT86 2014+ 23-8N Chrome Polished Exhaust Valve 29mm STD - 1
Regular price $20.99Regular price$23.58-$2.59 Sale price $20.99 -
-$26.23
Vendor:GSC Power DivisionGSC P-D 12-13 Subaru/Scion BRZ/FR-S 21-4N Chrome Polished Intake Valve - 36mm Head (+1mm) - SET 8
Regular price $149.99Regular price$176.22-$26.23 Sale price $149.99 -
-$39.58
Vendor:GSC Power DivisionGSC P-D 12-13 Subaru/Scion BRZ/FR-S Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8
Regular price $228.99Regular price$268.57-$39.58 Sale price $228.99 -
-$25.60
Vendor:GSC Power DivisionGSC P-D 12-13 Subaru/Scion BRZ/FR-S 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8
Regular price $146.99Regular price$172.59-$25.60 Sale price $146.99 -
-$38.93
Vendor:GSC Power DivisionGSC P-D 12-13 Subaru/Scion BRZ/FR-S Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
Regular price $223.99Regular price$262.92-$38.93 Sale price $223.99 -
-$49.83
Vendor:GSC Power DivisionGSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished 30.1mm Head Intake Valve - Set of 12
Regular price $285.99Regular price$335.82-$49.83 Sale price $285.99 -
-$4.17
Vendor:GSC Power DivisionGSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished Intake Valve 30.1mm Head - Single
Regular price $24.99Regular price$29.16-$4.17 Sale price $24.99 -
-$71.74
Vendor:GSC Power DivisionGSC P-D Toyota Supra/BMW B58 / BMW M3/M4 S58 Chrome Polished 28.5mm Head Exhaust Valve - Set of 12
Regular price $407.99Regular price$479.73-$71.74 Sale price $407.99 -
-$5.66
Vendor:GSC Power DivisionGSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished 28.5mm Head Exhaust Valve - Single
Regular price $35.99Regular price$41.65-$5.66 Sale price $35.99 -
-$44.63
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE 21-4N Chrome Polished Intake Valve - 39.50mm head (+1mm) - SET of 12
Regular price $255.99Regular price$300.62-$44.63 Sale price $255.99 -
-$3.11
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE 21-4N Chrome Polished Intake Valve - 39.50mm head (+1mm) - Single
Regular price $22.99Regular price$26.10-$3.11 Sale price $22.99 -
-$42.53
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Exhaust Valve 34.50mm Head (+1mm) - Set of 12
Regular price $245.99Regular price$288.52-$42.53 Sale price $245.99 -
-$3.06
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Exhaust Valve 34.50mm Head (+1mm) - Single
Regular price $21.99Regular price$25.05-$3.06 Sale price $21.99 -
-$44.63
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Intake Valve 38.50mm Head (STD) - Set of 12
Regular price $255.99Regular price$300.62-$44.63 Sale price $255.99 -
-$3.11
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE Stainless Steel Intake Valve 38.50mm Head (STD) - Single
Regular price $22.99Regular price$26.10-$3.11 Sale price $22.99 -
-$42.53
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE 23-8N Chrome Polished Exhaust Valve - 33.50mm Head (STD) - SET 12
Regular price $245.99Regular price$288.52-$42.53 Sale price $245.99 -
-$3.06
Vendor:GSC Power DivisionGSC P-D Nissan TB48DE 23-8N Chrome Polished Exhaust Valve - 33.50mm Head (STD) - Single
Regular price $21.99Regular price$25.05-$3.06 Sale price $21.99 -
-$24.79
Vendor:GSC Power DivisionGSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - SET 8
Regular price $146.99Regular price$171.78-$24.79 Sale price $146.99 -
-$2.38Vendor:GSC Power Division
GSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Single
Regular price $19.99Regular price$22.37-$2.38 Sale price $19.99 -
-$25.82
Vendor:GSC Power DivisionGSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8
Regular price $149.99Regular price$175.81-$25.82 Sale price $149.99 -
-$2.91Vendor:GSC Power Division
GSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - Single
Regular price $19.99Regular price$22.90-$2.91 Sale price $19.99 -
-$24.98
Vendor:GSC Power DivisionGSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - SET 8
Regular price $145.99Regular price$170.97-$24.98 Sale price $145.99 -
-$3.28Vendor:GSC Power Division
GSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - Single
Regular price $18.99Regular price$22.27-$3.28 Sale price $18.99 -
-$25.61
Vendor:GSC Power DivisionGSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
Regular price $148.99Regular price$174.60-$25.61 Sale price $148.99 -
-$2.75Vendor:GSC Power Division
GSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - Single
Regular price $19.99Regular price$22.74-$2.75 Sale price $19.99 -
-$66.41
Vendor:GSC Power DivisionGSC P-D Toyota 2JZ Chrome Alloy Polished Exhaust Valve - 30.0mm Head (+1mm) 6.6mm Stem - Set of 12
Regular price $379.99Regular price$446.40-$66.41 Sale price $379.99 -
-$65.99Vendor:GSC Power Division
GSC P-D Toyota 2JZ Super Alloy Chrome Polished Exhaust Valve - 30.0mm Head (+1mm) - Set of 12
Regular price $377.99Regular price$443.98-$65.99 Sale price $377.99 -
-$5.55Vendor:GSC Power Division
GSC P-D Toyota 2JZ Super Alloy Chrome Polished Exhaust Valve - 30.0mm Head (+1mm) - Single
Regular price $32.99Regular price$38.54-$5.55 Sale price $32.99 -
-$65.34Vendor:GSC Power Division
GSC P-D Toyota 2JZ-GTE Chrome Polished Super Alloy Exhaust Valve - 29mm Head (STD) - SET 12
Regular price $371.99Regular price$437.33-$65.34 Sale price $371.99 -
-$4.98Vendor:GSC Power Division
GSC P-D Toyota 2JZ-GTE Chrome Polished Super Alloy Exhaust Valve - 29mm Head (STD) - Single
Regular price $32.99Regular price$37.97-$4.98 Sale price $32.99 -
-$41.01Vendor:GSC Power Division
GSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Set of 12
Regular price $232.99Regular price$274.00-$41.01 Sale price $232.99 -
-$2.80Vendor:GSC Power Division
GSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Single
Regular price $20.99Regular price$23.79-$2.80 Sale price $20.99 -
-$41.01Vendor:GSC Power Division
GSC P-D Toyota 2JZ-GTE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 12
Regular price $232.99Regular price$274.00-$41.01 Sale price $232.99 -
-$2.80Vendor:GSC Power Division
GSC P-D Toyota 2JZ-GTE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - Single
Regular price $20.99Regular price$23.79-$2.80 Sale price $20.99 -
-$40.41Vendor:GSC Power Division
GSC P-D Toyota 2JZ-GTE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - SET 12
Regular price $232.99Regular price$273.40-$40.41 Sale price $232.99
