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 4G63 Manganese Bronze Exhaust Valve Guide Stopper Style- Set 8
-15%
Vendor: GSC Power DivisionGSC P-D 4G63 Manganese Bronze Exhaust Valve Guide Stopper Style- Set 8
Regular price $51.69 Sale price $43.93
User 1
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Vendor: GSC Power DivisionGSC P-D 4G63 Manganese Bronze Exhaust Valve Guide - Set 8
Regular price $51.69 Sale price $43.93
User 1
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Vendor: GSC Power DivisionGSC P-D Audi V10 5.2L/DAZA 2.5L 33.8mm Head STD 104.4mm Long Chrome Polished Intake Valve- Set of 10
Regular price $317.52 Sale price $269.89
User 1
-15%
Vendor: GSC Power DivisionGSC P-D Audi V10 5.2L 27mm Head STD 101.8mm Long Chrome Polished Alloy Exhaust Valve - Set of 10
Regular price $383.18 Sale price $325.70
GSC P-D 12-13 Subaru/Scion BRZ/FR-S Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 12-13 Subaru/Scion BRZ/FR-S Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
Regular price $262.92 Sale price $223.48
GSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - SET 8
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Vendor: GSC Power DivisionGSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - SET 8
Regular price $170.97 Sale price $145.32
GSC P-D Toyota 2JZ-GTE Chrome Polished Super Alloy Exhaust Valve - 29mm Head (STD) - SET 12
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Vendor: GSC Power DivisionGSC P-D Toyota 2JZ-GTE Chrome Polished Super Alloy Exhaust Valve - 29mm Head (STD) - SET 12
Regular price $437.33 Sale price $371.73
GSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Set of 12
Regular price $274.00 Sale price $232.90
GSC P-D Toyota 2JZ-GTE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - Single
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 2JZ-GTE 21-4N Chrome Polished Intake Valve - 33.6mm Head (STD) - Single
Regular price $23.74 Sale price $20.18
GSC P-D Nissan VR38DETT Chrome Polished Super Alloy Exhaust Valve - 32.15mm Head (STD) - SET 12
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Vendor: GSC Power DivisionGSC P-D Nissan VR38DETT Chrome Polished Super Alloy Exhaust Valve - 32.15mm Head (STD) - SET 12
Regular price $472.50 Sale price $401.63
User 1
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Vendor: GSC Power DivisionGSC P-D Honda B-Series B16A/B17A/B18C Chrome Alloy Exhaust Valve 28mm Head - 6mm Stem - Set of 8
Regular price $292.36 Sale price $248.51
GSC P-D 4B11T Chrome Polished Super Alloy Exhaust Valve - 29mm Head (STD) - SET 8
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Vendor: GSC Power DivisionGSC P-D 4B11T Chrome Polished Super Alloy Exhaust Valve - 29mm Head (STD) - SET 8
Regular price $264.53 Sale price $224.85
GSC P-D 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8
Regular price $180.25 Sale price $153.21
GSC P-D Mitsubishi 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - Single
-15%
Vendor: GSC Power DivisionGSC P-D Mitsubishi 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - Single
Regular price $23.47 Sale price $19.95
GSC P-D EJ series EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve-33mm Head(+1mm)-SET 8
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Vendor: GSC Power DivisionGSC P-D EJ series EJ205/EJ207/EJ257 Chrome Polished Super Alloy Exhaust Valve-33mm Head(+1mm)-SET 8
Regular price $311.72 Sale price $264.96
GSC P-D Subaru EJ20/EJ257 Turbo Chrome Polished Super Alloy Exhaust Valve - 33mm Head (+1mm) -Single
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Vendor: GSC Power DivisionGSC P-D Subaru EJ20/EJ257 Turbo Chrome Polished Super Alloy Exhaust Valve - 33mm Head (+1mm) -Single
Regular price $40.59 Sale price $34.50
GSC P-D Subaru EJ Series EJ205/EJ207/EJ257 37mm Head (+1mm) Chrome Polished Intake Valve - Set of 8
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Vendor: GSC Power DivisionGSC P-D Subaru EJ Series EJ205/EJ207/EJ257 37mm Head (+1mm) Chrome Polished Intake Valve - Set of 8
Regular price $173.39 Sale price $147.38
GSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single
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Vendor: GSC Power DivisionGSC P-D Subaru EJ205/EJ207/EJ257 Chrome Polished Intake Valve - 37mm Head (+1mm) - Single
Regular price $22.58 Sale price $19.19
GSC P-D Subaru EJ Series EJ205/EJ207/EJ257 33mm Head (+1mm) Chrome Polished Exhaust Valve - Set of 8
-15%
Vendor: GSC Power DivisionGSC P-D Subaru EJ Series EJ205/EJ207/EJ257 33mm Head (+1mm) Chrome Polished Exhaust Valve - Set of 8
Regular price $173.80 Sale price $147.73
GSC P-D 4G63T Evo1-9/DSM 90-98 Chrome Polished Super Alloy Exhaust Valve - 31.5mm Head(+1mm) -SET 8
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Vendor: GSC Power DivisionGSC P-D 4G63T Evo1-9/DSM 90-98 Chrome Polished Super Alloy Exhaust Valve - 31.5mm Head(+1mm) -SET 8
Regular price $284.29 Sale price $241.65
GSC P-D 4G63T Evo1-9/DSM 90-98 Chrome Polished Super Alloy Exhaust Valve - 30.5mm Head(STD) - SET 8
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Vendor: GSC Power DivisionGSC P-D 4G63T Evo1-9/DSM 90-98 Chrome Polished Super Alloy Exhaust Valve - 30.5mm Head(STD) - SET 8
Regular price $284.29 Sale price $241.65
GSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Intake Valve - 35mm Head (+1mm) - SET 8
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Vendor: GSC Power DivisionGSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Intake Valve - 35mm Head (+1mm) - SET 8
Regular price $177.83 Sale price $151.16
GSC P-D Mitsubishi 4G63T Evo 1-9 Chrome Polished Intake Valve - 34mm Head (STD) - Single
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Vendor: GSC Power DivisionGSC P-D Mitsubishi 4G63T Evo 1-9 Chrome Polished Intake Valve - 34mm Head (STD) - Single
Regular price $23.05 Sale price $19.59
GSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Exhaust Valve - 30.5mm Head (STD) - SET 8
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Vendor: GSC Power DivisionGSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Exhaust Valve - 30.5mm Head (STD) - SET 8
Regular price $175.01 Sale price $148.76
GSC P-D Mitsubishi 4G63T Evo 1-9 Chrome Polished Exhaust Valve - 30.5mm Head (STD) - Single
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Vendor: GSC Power DivisionGSC P-D Mitsubishi 4G63T Evo 1-9 Chrome Polished Exhaust Valve - 30.5mm Head (STD) - Single
Regular price $22.79 Sale price $19.37