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 Dodge Neon SRT-4 & 420A Manganese Bronze Exhaust Valve Guide - SET OF 8
-15%
Vendor: GSC Power DivisionGSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Exhaust Valve Guide - SET OF 8
Regular price $51.69 Sale price $43.93
GSC P-D Mazda Miata 1.6L/1.8L Intake/Exhaust Valve Guide Set - Set of 8
-15%
Vendor: GSC Power DivisionGSC P-D Mazda Miata 1.6L/1.8L Intake/Exhaust Valve Guide Set - Set of 8
Regular price $51.69 Sale price $43.93
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12
-15%
Vendor: GSC Power DivisionGSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12
Regular price $77.53 Sale price $65.90
GSC P-D Toyota 2JZ Manganese Bronze Exhaust Valve Guide - Single
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 2JZ Manganese Bronze Exhaust Valve Guide - Single
Regular price $6.71 Sale price $5.70
GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8
-15%
Vendor: GSC Power DivisionGSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8
Regular price $51.69 Sale price $43.93
GSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8
-15%
Vendor: GSC Power DivisionGSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8
Regular price $51.69 Sale price $43.93
GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - SET OF 8
-15%
Vendor: GSC Power DivisionGSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - SET OF 8
Regular price $51.69 Sale price $43.93
GSC P-D EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 12
-15%
Vendor: GSC Power DivisionGSC P-D EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 12
Regular price $77.53 Sale price $65.90
GSC P-D Mitsubishi 4B11T Intake Valve Guide Stopper Style - Set 8
-15%
Vendor: GSC Power DivisionGSC P-D Mitsubishi 4B11T Intake Valve Guide Stopper Style - Set 8
Regular price $51.69 Sale price $43.93
GSC P-D 2015+ Subaru Impreza WRX +1mm (35mm) Intake Valve Set Stainless Alloy 21-4N Chrome Polished
-15%
Vendor: GSC Power DivisionGSC P-D 2015+ Subaru Impreza WRX +1mm (35mm) Intake Valve Set Stainless Alloy 21-4N Chrome Polished
Regular price $179.04 Sale price $152.18
GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8)
-15%
Vendor: GSC Power DivisionGSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8)
Regular price $181.06 Sale price $153.90
GSC P-D 2015+ Subaru WRX FA20F 21-4N Stainless Intake Valve - 34mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 2015+ Subaru WRX FA20F 21-4N Stainless Intake Valve - 34mm Head (STD) - SET 8
Regular price $178.23 Sale price $151.50
GSC P-D 2015+ Subaru WRX FA20F Exhaust Valve - 29mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 2015+ Subaru WRX FA20F Exhaust Valve - 29mm Head (STD) - SET 8
Regular price $179.44 Sale price $152.52
GSC P-D Ford Mustang 5.0L Coyote Gen 3 37.6mm Head (STD) Chrome Polished Intake Valve - Set of 8
-15%
Vendor: GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 3 37.6mm Head (STD) Chrome Polished Intake Valve - Set of 8
Regular price $225.22 Sale price $191.44
GSC P-D Ford Mustang 5.0L Coyote Gen 1/2 31.75mm Head (STD) Super Alloy Exhaust Valve - Set of 8
-15%
Vendor: GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Gen 1/2 31.75mm Head (STD) Super Alloy Exhaust Valve - Set of 8
Regular price $340.40 Sale price $289.34
GSC P-D Nissan RB26DETT 30.15mm Head STD 103.24mm Long +1.5mm Tip Exhaust Valve - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Nissan RB26DETT 30.15mm Head STD 103.24mm Long +1.5mm Tip Exhaust Valve - Set of 12
Regular price $550.58 Sale price $467.99
GSC P-D Nissan RB26DETT 34.65mm Head STD 103.8mm Long +1.5mm Tip Intake Valve - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Nissan RB26DETT 34.65mm Head STD 103.8mm Long +1.5mm Tip Intake Valve - Set of 12
Regular price $288.62 Sale price $245.33
GSC P-D Nissan RB26DETT 30.15mm Head STD 101.74mm Long Exhaust Valve - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Nissan RB26DETT 30.15mm Head STD 101.74mm Long Exhaust Valve - Set of 12
Regular price $546.99 Sale price $464.94
GSC P-D Nissan RB26DETT 34.65mm Head STD 102.4mm Long Intake Valve - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Nissan RB26DETT 34.65mm Head STD 102.4mm Long Intake Valve - Set of 12
Regular price $288.11 Sale price $244.89
GSC P-D 2014+ Subaru/Scion FA20 BRZ/FRS/FT86 23-8N Chrome Polished Exhaust Valve 29mm STD - 8 QTY
-15%
Vendor: GSC Power DivisionGSC P-D 2014+ Subaru/Scion FA20 BRZ/FRS/FT86 23-8N Chrome Polished Exhaust Valve 29mm STD - 8 QTY
Regular price $181.06 Sale price $153.90
GSC P-D 12-13 Subaru/Scion BRZ/FR-S 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D 12-13 Subaru/Scion BRZ/FR-S 21-4N Chrome Polished Intake Valve - 35mm Head (STD) - SET 8
Regular price $172.59 Sale price $146.70
GSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished 30.1mm Head Intake Valve - Set of 12
-15%
Vendor: GSC Power DivisionGSC P-D Toyota Supra/BMW Z4 B58 / BMW M3/M4 S58 Chrome Polished 30.1mm Head Intake Valve - Set of 12
Regular price $335.82 Sale price $285.45
GSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 3STGE 21-4N Chrome Polished Intake Valve - 34.6mm Head (+1mm) - SET 8
Regular price $171.78 Sale price $146.01
GSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 30mm Head (+1mm) - SET 8
Regular price $175.81 Sale price $149.44
GSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
-15%
Vendor: GSC Power DivisionGSC P-D Toyota 3STGE 23-8N Chrome Polished Exhaust Valve - 29mm Head (STD) - SET 8
Regular price $174.60 Sale price $148.41