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 Nissan VR38DETT Manganese Bronze Exhaust Valve Guide - Set 12
-15%
Vendor: GSC Power DivisionGSC P-D Nissan VR38DETT Manganese Bronze Exhaust Valve Guide - Set 12
Regular price $77.53 Sale price $65.90
User 1
-15%
Vendor: GSC Power DivisionGSC P-D Nissan RB26DETT Manganese Bronze Intake Valve Guide - Set of 12
Regular price $77.53 Sale price $65.90
User 1 User 1
-15%
Vendor: GSC Power DivisionGSC P-D Nissan RB26DEETT Manganese Bronze Exhaust Valve Guide - Set 12
Regular price $77.53 Sale price $65.90
GSC P-D Toyota 3SGTE Manganese Bronze Intake Valve Guide - Set 8
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 3SGTE Manganese Bronze Intake Valve Guide - Set 8
Regular price $51.69 Sale price $43.93
GSC P-D EJ Series EJ205/EJ207/EJ264 Manganese Bronze Intake Valve Guide Traditional - Set 8
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Vendor: GSC Power DivisionGSC P-D EJ Series EJ205/EJ207/EJ264 Manganese Bronze Intake Valve Guide Traditional - Set 8
Regular price $51.69 Sale price $43.93
GSC P-D EJ Series EJ205/EJ207/EJ262 Manganese Bronze Exhaust Valve Guide Traditional - Set 8
-15%
Vendor: GSC Power DivisionGSC P-D EJ Series EJ205/EJ207/EJ262 Manganese Bronze Exhaust Valve Guide Traditional - Set 8
Regular price $51.69 Sale price $43.93
User 1
-15%
Vendor: GSC Power DivisionGSC P-D Subaru EJ205/EJ207/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Single
Regular price $6.71 Sale price $5.70
User 1
-15%Sold out
Vendor: GSC Power DivisionGSC P-D Mitsubishi 4B11T Exhaust Valve Guide - Set of 8
Regular price $51.69 Sale price $43.93
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GSC P-D 4B11T Manganese Bronze Intake Valve Guide - Set 8
-15%
Vendor: GSC Power DivisionGSC P-D 4B11T Manganese Bronze Intake Valve Guide - Set 8
Regular price $51.69 Sale price $43.93
GSC P-D 4B11T Manganese Bronze Exhaust Valve Guide - Set 8
-15%
Vendor: GSC Power DivisionGSC P-D 4B11T Manganese Bronze Exhaust Valve Guide - Set 8
Regular price $51.69 Sale price $43.93
GSC P-D 4G63 Manganese Bronze Exhaust Valve Guide Shorty Stopper- Set 8
-15%
Vendor: GSC Power DivisionGSC P-D 4G63 Manganese Bronze Exhaust Valve Guide Shorty Stopper- Set 8
Regular price $51.69 Sale price $43.93
User 1
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Vendor: GSC Power DivisionGSC P-D Mitsubishi 4G63T Manganese Bronze Exhaust Valve Guide Stopper Style +.001in OD - Single
Regular price $6.71 Sale price $5.70
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
-15%
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
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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
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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
-15%Sold out
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
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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
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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
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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
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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