Empower Your JDM Engine With GSC Power Division Components
Discover the GSC Power Division collection at HD Werks, offering genuine, high-performance components engineered for superior engine and powertrain upgrades. These original parts, designed for racing and aftermarket tuning, deliver custom solutions that optimize power output and dynamic control. Crafted with Japanese innovation, GSC products provide authentic quality and robust performance for both track and street use. Experience the perfect blend of original design and aggressive performance. Shop our GSC Power Division range for original components that transform your vehicleís dynamics.
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-$0.72
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Exhaust Valve Guide Standard Style +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Exhaust Valve Guide Standard Style +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$7.70
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Manganese Bronze STD Style Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D GM LS7 Manganese Bronze Intake/Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D GM LS7 Manganese Bronze Intake/Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$11.91
Vendor:GSC Power DivisionGSC P-D GM LS7 Intake/Exhaust Valve Guide - Set of 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99 -
-$1.50Vendor:GSC Power Division
GSC P-D GM LS7 Intake/Exhaust Valve Guide - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.25in L x .3415in ID x .502in OD +.003in .35in Taper- Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.25in L x .3415in ID x .502in OD +.001in .35in Taper- Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$11.91
Vendor:GSC Power DivisionGSC P-D GM 2.25in L x .341in ID x .5022in OD .35 TAPER Mngns Brnz Intake/Exhaust Valve Guide - SET 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D GM 2.25in L x .341in ID x .5022in OD .35in Taper Intake/Exhaust Valve Guide -Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.1in L x .3415in ID x .502in OD +.003in .35in Taper - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.1in L x .3415in ID x .502in OD +.001in .35in Taper - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$11.91
Vendor:GSC Power DivisionGSC P-D GM 2.1in L x .341in ID x .5022in OD .35 TAPER Mngns Brnz Intake/Exhaust Valve Guide - SET 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D GM 2.1in L x .341in ID x .5022in OD .35in Taper Intake/Exhaust Valve Guide - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 Manganese Bronze Exhaust Valve Guide +.001in Oversize - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$19.22
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 / Lamborghini Gallardo V10 Manganese Bronze Exhaust Valve Guide - Set Of 20
Regular price $109.99Regular price$129.21-$19.22 Sale price $109.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 / Lamborghini Gallardo V10 Manganese Bronze Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$19.22
Vendor:GSC Power DivisionGSC P-D Audi R8 V10/Lamorghini Gallardo V10 Manganese Bronze Intake Valve Guide - Set Of 20
Regular price $109.99Regular price$129.21-$19.22 Sale price $109.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Audi R8 V10/Lamborghini Gallardo V10 Manganese Bronze Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Manganese Bronze Int/Exh Valve Guide 1.95in L x .3415in ID x .502in OD +.003in - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D SBC Manganese Bronze Int/Exh Valve Guide 1.95in L x .3415in ID x .502in OD +.001in - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$11.91
Vendor:GSC Power DivisionGSC P-D GM 1.95in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - SET OF 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D GM 1.95in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D Ford Mustang 4.6L SOHC 2-Valve Intake Valve Guide Stoper Style +.003in OD - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D Ford Mustang 4.6L SOHC 2-Valve Intake Valve Guide Stoper Style +.001in Oversize OD - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$11.91
Vendor:GSC Power DivisionGSC P-D Ford Mustang 4.6L SOHC 2-Valve Manganese Bronze Stopper Style Intake Valve Guide - SET OF 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99 -
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Vendor:GSC Power DivisionGSC P-D Ford Mustang 4.6L SOHC 2-Valve Manganese Bronze Stopper Style Intake Valve Guide - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$1.50
Vendor:GSC Power DivisionGSC P-D Ford Mustang 4.6L SOHC 2-Valve Exhaust Valve Guide Stoper Style +.003in OD - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
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Vendor:GSC Power DivisionGSC P-D Ford Mustang 4.6L SOHC 2-Valve Exhaust Valve Guide Stopper Style +.001in Oversize - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
-$11.91
Vendor:GSC Power DivisionGSC P-D Ford Mustang 4.6L SOHC 2-Valve Manganese Bronze Stopper Style Exhaust Valve Guide - SET OF 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99
