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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User 1
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Vendor: GSC Power DivisionGSC P-D Toyota 2JZ-GTE Single Conical Valve Spring and Ti Retainer Kit
Regular price $830.78 Sale price $706.16
User 1
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Vendor: GSC Power DivisionGSC P-D Mitsubishi 4B11T High Pressure Single Conical Valve Spring and Ti Retainer Kit
Regular price $581.55 Sale price $494.32
GSC P-D Honda B-Series Vtec Dual Spring Set and Titanium Retainer
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Vendor: GSC Power DivisionGSC P-D Honda B-Series Vtec Dual Spring Set and Titanium Retainer
Regular price $394.78 Sale price $335.56
GSC P-D 2JZ Beehive Valve Springs w/ Titanium Retainer Valvetrain Kit (Use factory spring seats)
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Vendor: GSC Power DivisionGSC P-D 2JZ Beehive Valve Springs w/ Titanium Retainer Valvetrain Kit (Use factory spring seats)
Regular price $703.02 Sale price $597.57
GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit
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Vendor: GSC Power DivisionGSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit
Regular price $470.49 Sale price $399.92
GSC P-D 4G63T .035in over OEM Chromoly CNC Spring Seat for Mitsubishi - Set of 16
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Vendor: GSC Power DivisionGSC P-D 4G63T .035in over OEM Chromoly CNC Spring Seat for Mitsubishi - Set of 16
Regular price $57.60 Sale price $48.96
User 1
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Vendor: GSC Power DivisionGSC Subaru FA20/BRZ (STD) Stopper Exhaust Valve Guide - Set of 8
Regular price $51.69 Sale price $43.93
User 1 User 1
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Vendor: GSC Power DivisionGSC P-D Ford Coyote 5.0L Manganese Bronze Intake/Exhaust Valve Guide Set - Set of 16
Regular price $103.37 Sale price $87.87
User 1
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Vendor: GSC Power DivisionGSC P-D GM LS7 Intake/Exhaust Valve Guide - Set of 8
Regular price $80.90 Sale price $68.76
User 1
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Vendor: GSC Power DivisionGSC P-D Honda D16 1.872in L x .2360in ID x .4360in OD Intake/Exhaust Valve Guide - SET OF 8
Regular price $51.69 Sale price $43.93
GSC P-D B-series Vtec B16A/B17A/B18C Manganese Bronze Intake Valve Guide - Set 8
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Vendor: GSC Power DivisionGSC P-D B-series Vtec B16A/B17A/B18C Manganese Bronze Intake Valve Guide - Set 8
Regular price $51.69 Sale price $43.93
User 1
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Vendor: GSC Power DivisionGSC P-D Honda B16A/B17A/B18C VTEC Exhuast Valve Guide 6mm Valve Stem - Set of 8
Regular price $51.69 Sale price $43.93
GSC P-D Nissan VR38DETT Manganese Bronze Exhaust Valve Guide - Set 12
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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
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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
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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
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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
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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
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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 User 1
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Vendor: GSC Power DivisionGSC P-D Subaru EJ205/EJ207/EJ257 Manganese Bronze Exhaust Valve Guide Stopper Style - Single
Regular price $6.71 Sale price $5.70
User 1
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Vendor: GSC Power DivisionGSC P-D Mitsubishi 4B11T Exhaust Valve Guide - Set of 8
Regular price $51.69 Sale price $43.93
GSC P-D 4B11T Manganese Bronze Intake Valve Guide - Set 8
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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
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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
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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