GSC

Founded in the 1990s, GSC Power-Division has established itself as a trusted name in the performance aftermarket, serving a wide range of enthusiasts, engine builders, and racing teams. GSC Power’s commitment to quality and innovation makes it a popular choice for tuners and builders looking to maximize engine performance, especially in the import and turbocharged vehicle markets.

GSC Power products are designed and tested to meet the extreme demands of both street and track environments, ensuring reliable performance under the harshest conditions.

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GSC P-D Toyota 2JZ Chrome Alloy Polished Exhaust Valve - 30.0mm Head (+1mm) 6.6mm Stem - Set of 12
-15%
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 $446.40 Sale price $379.44
GSC P-D Nissan VR38DETT 21-4N Chrome Polished Intake Valve - 37.15mm Head STD - SET OF 12
-15%
Vendor: GSC Power DivisionGSC P-D Nissan VR38DETT 21-4N Chrome Polished Intake Valve - 37.15mm Head STD - SET OF 12
Regular price $368.56 Sale price $313.28
GSC P-D Honda K Series Vtec K20/K24 Chrome Polished Intake Valve - 35mm Head (STD) - Set of 8
-15%
Vendor: GSC Power DivisionGSC P-D Honda K Series Vtec K20/K24 Chrome Polished Intake Valve - 35mm Head (STD) - Set of 8
Regular price $208.88 Sale price $177.55
GSC P-D Honda K Series Vtec K20/K24 Chrome Polished Exhaust Valve - 30mm Head (STD) - Set of 8
-15%
Vendor: GSC Power DivisionGSC P-D Honda K Series Vtec K20/K24 Chrome Polished Exhaust Valve - 30mm Head (STD) - Set of 8
Regular price $212.51 Sale price $180.63
GSC P-D Honda B Series Vtec B16A/B17A/B18C Chrome Polished Intake Valve - 34mm Head (+1mm) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D Honda B Series Vtec B16A/B17A/B18C Chrome Polished Intake Valve - 34mm Head (+1mm) - SET 8
Regular price $151.37 Sale price $128.66
GSC P-D Honda B Series Vtec B16A/B17A/B18C Chrome Polished Intake Valve - 33mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D Honda B Series Vtec B16A/B17A/B18C Chrome Polished Intake Valve - 33mm Head (STD) - SET 8
Regular price $180.25 Sale price $153.21
GSC P-D Honda B Series Vtec B16A/B17A/B18C Chrome Polished Exhaust Valve - 28mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D Honda B Series Vtec B16A/B17A/B18C Chrome Polished Exhaust Valve - 28mm Head (STD) - SET 8
Regular price $186.26 Sale price $158.32
GSC P-D 4B11T Chrome Polished Super Alloy Exhaust Valve - 30mm Head (+1mm) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 4B11T Chrome Polished Super Alloy Exhaust Valve - 30mm Head (+1mm) - SET 8
Regular price $270.58 Sale price $229.99
GSC P-D 4B11T 21-4N Chrome Polished Intake Valve - 36mm Head (+1mm) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 4B11T 21-4N Chrome Polished Intake Valve - 36mm Head (+1mm) - SET 8
Regular price $181.86 Sale price $154.58
GSC P-D 4B11T 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 4B11T 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8
Regular price $168.96 Sale price $143.62
GSC P-D 4B11T 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 4B11T 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
Regular price $167.75 Sale price $142.59
GSC P-D EJ series EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve-32mm Head(STD) -SET 8
-15%
Vendor: GSC Power DivisionGSC P-D EJ series EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve-32mm Head(STD) -SET 8
Regular price $308.09 Sale price $261.88
GSC P-D Ford Mustang 5.0L Gen 3 Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32
-15%
Vendor: GSC Power DivisionGSC P-D Ford Mustang 5.0L Gen 3 Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32
Regular price $70.00 Sale price $59.50
GSC P-D Ford Mustang 5.0L Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32
-15%
Vendor: GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Valve Stem Seal w/Integrated Spring Seat - Set of 32
Regular price $70.00 Sale price $59.50
GSC P-D Toyota Supra/BMW B58/N54/S55/S58 Viton Intake Valve Stem Seals - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Toyota Supra/BMW B58/N54/S55/S58 Viton Intake Valve Stem Seals - Set of 12
Regular price $30.80 Sale price $26.18
GSC P-D Toyota Supra/BMW B58/N54/S55/S58 Viton Exhaust Valve Stem Seals - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Toyota Supra/BMW B58/N54/S55/S58 Viton Exhaust Valve Stem Seals - Set of 12
Regular price $30.80 Sale price $26.18
GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT 1mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 2JZ-GTE / Nissan VR38DETT 1mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)
Regular price $24.00 Sale price $20.40
GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT .5mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 2JZ-GTE / Nissan VR38DETT .5mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24)
Regular price $24.00 Sale price $20.40
GSC P-D Nissan TB48DE Valve Stem Viton 7mm Seal - SET OF 24 GSC P-D Nissan TB48DE Valve Stem Viton 7mm Seal - SET OF 24
-15%
Vendor: GSC Power DivisionGSC P-D Nissan TB48DE Valve Stem Viton 7mm Seal - SET OF 24
Regular price $24.84 Sale price $21.11
GSC P-D SR20DET Valve Stem Seal Set
-15%
Vendor: GSC Power DivisionGSC P-D SR20DET Valve Stem Seal Set
Regular price $15.60 Sale price $13.26
GSC P-D Honda B/K/H Series Viton 5.5mm Valve Stem Seal - Set of 16
-15%
Vendor: GSC Power DivisionGSC P-D Honda B/K/H Series Viton 5.5mm Valve Stem Seal - Set of 16
Regular price $16.75 Sale price $14.24
GSC P-D Honda B/K/H Viton 6mm Exhaust Valve Stem Seal Set
-15%
Vendor: GSC Power DivisionGSC P-D Honda B/K/H Viton 6mm Exhaust Valve Stem Seal Set
Regular price $8.38 Sale price $7.12
GSC P-D Toyota GR Corolla/GR Yaris G16E-GTS Viton 5.5mm Valve Stem Seal Set - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Toyota GR Corolla/GR Yaris G16E-GTS Viton 5.5mm Valve Stem Seal Set - Set of 12
Regular price $15.60 Sale price $13.26
GSC P-D Toyota 2JZ Viton 6mm Valve Stem Seal Set
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 2JZ Viton 6mm Valve Stem Seal Set
Regular price $24.84 Sale price $21.11
GSC P-D Subaru FA20 Viton 6mm Valve Stem Seal Set
-15%
Vendor: GSC Power DivisionGSC P-D Subaru FA20 Viton 6mm Valve Stem Seal Set
Regular price $16.75 Sale price $14.24