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 Mitsubishi 4B11T 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - Single
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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
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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
User 1
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Vendor: GSC Power DivisionGSC P-D Toyota 2JZ / Nissan VR38DETT 0.060in Thick 1.085in OD 0.725in ID Spring Seat Kit (Set of 24)
Regular price $39.60 Sale price $33.66
User 1
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Vendor: GSC Power DivisionGSC P-D Nissan RB26DETT Valve Stem Seal - Set of 24
Regular price $25.12 Sale price $21.36
User 1
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Vendor: GSC Power DivisionGSC P-D Nissan VQ35DE Viton 5.5mm Valve Stem Seal Set
Regular price $24.84 Sale price $21.11
User 1
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Vendor: GSC Power DivisionGSC P-D D16/B18-21/ H23 Viton 6.6mm Seal Valve Stem Seal Kit
Regular price $16.75 Sale price $14.24
User 1
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Vendor: GSC Power DivisionGSC P-D Toyota MR-2 3SGTE Viton 6mm Valve Stem Seal Set
Regular price $16.75 Sale price $14.24
User 1
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Vendor: GSC Power DivisionGSC P-D Toyota 2JZ Viton 6.6mm Exhaust Valve Guide Seal Kit Set of 12
Regular price $12.43 Sale price $10.57
User 1
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Vendor: GSC Power DivisionGSC P-D Toyota 2JZ Viton 6mm Valve Seal Kit Set of 12
Regular price $12.43 Sale price $10.57
GSC P-D Mitsubishi Evo X 4B11T Valve Stem Seal Set (Set of 16) GSC P-D Mitsubishi Evo X 4B11T Valve Stem Seal Set (Set of 16)
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Vendor: GSC Power DivisionGSC P-D Mitsubishi Evo X 4B11T Valve Stem Seal Set (Set of 16)
Regular price $69.30 Sale price $58.91
User 1
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Vendor: GSC Power DivisionGSC P-D 4G63T Valve Seat OEM Replacement (Set of 16)
Regular price $26.40 Sale price $22.44
User 1
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Vendor: GSC Power DivisionGSC P-D Toyota 3SGTE High Pressure Conical Valve Spring Kit w/Ti Retainer for Shimless/Shim-Over
Regular price $553.85 Sale price $470.77
GSC P-D BMW N63/S63 Intake/Exhaust Valve Guide (Set of 8)
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Vendor: GSC Power DivisionGSC P-D BMW N63/S63 Intake/Exhaust Valve Guide (Set of 8)
Regular price $51.69 Sale price $43.94
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GSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Single
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Vendor: GSC Power DivisionGSC P-D Toyota 2JZ 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - Single
Regular price $23.79 Sale price $20.22
GSC P-D Mitsubishi 4G63T Evo 1-9 Polished Super Alloy Exhaust Valve - 31.5mm Head (+1mm) - Single
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Vendor: GSC Power DivisionGSC P-D Mitsubishi 4G63T Evo 1-9 Polished Super Alloy Exhaust Valve - 31.5mm Head (+1mm) - Single
Regular price $37.02 Sale price $31.47