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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-$7.70
Vendor:GSC Power DivisionGSC Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
-$0.72
Vendor:GSC Power DivisionGSC Subaru FA20/BRZ +.003in Oversize Stopper Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC Subaru FA20/BRZ +.001in Oversize Stopper Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$7.70
Vendor:GSC Power DivisionGSC Subaru FA20/BRZ (STD) Stopper Exhaust Valve Guide - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Sold outVendor:GSC Power Division
GSC P-D Porsche 992 GT3/CUP Manganese Bronze Intake/Exhaust Standard Style Valve Guide - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Manganese Bronze Intake/Exhaust Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
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Vendor:GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Intake/Exhaust Valve Guide Oversized +.001in OD - Set of 16
Regular price $87.99Regular price$103.37-$15.38 Sale price $87.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Ford Mustang 5.0L Coyote Intake/Exhaust Valve Guide Oversized +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$15.38
Vendor:GSC Power DivisionGSC P-D Ford Coyote 5.0L Manganese Bronze Intake/Exhaust Valve Guide Set - Set of 16
Regular price $87.99Regular price$103.37-$15.38 Sale price $87.99 -
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Vendor:GSC Power DivisionGSC P-D 03-04 Ford Cobra Intake/Exhaust Valve Guide Oversize +.001in - Single
Regular price $7.99Regular price$9.21-$1.22 Sale price $7.99 -
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Vendor:GSC Power DivisionGSC P-D 03-04 Ford Cobra Smooth Style Intake/Exhaust Valve Guide Set - Set of 16
Regular price $120.99Regular price$142.02-$21.03 Sale price $120.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Ford Mustang GT 5.4L DOHC 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 Ford Mustang GT 5.4L DOHC Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$15.38
Vendor:GSC Power DivisionGSC P-D Ford Mustang GT/GT500 5.4L DOHC Manganese Bronze Intake Valve Guide - Set of 16
Regular price $87.99Regular price$103.37-$15.38 Sale price $87.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Ford Mustang GT 5.4L DOHC 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 Ford Mustang GT 5.4L DOHC Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$15.38
Vendor:GSC Power DivisionGSC P-D Ford Mustang GT/GT500 5.4L Manganese Bronze Exhaust Valve Guide - Set 16
Regular price $87.99Regular price$103.37-$15.38 Sale price $87.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
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Vendor:GSC Power DivisionGSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$11.54
Vendor:GSC Power DivisionGSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide - Set of 8
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Toyota 1JZ 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 Toyota 1JZ Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$11.54
Vendor:GSC Power DivisionGSC P-D Toyota 1JZ Manganese Bronze Exhaust Valve Guide - SET OF 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D Toyota 1JZ 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 BMW 335i E92 L6 Manganese Bronze Intake Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D BMW 335i E92 L6 Manganese Bronze Intake Valve Guide +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$11.54
Vendor:GSC Power DivisionGSC P-D BMW E92 335i Inline 6 Manganese Bronze Intake Valve Guide - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D BMW E92 335i Inline 6 Manganese Bronze Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D BMW 335i E92 L6 Manganese Bronze Exhaust Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC P-D BMW 335i E92 L6 Manganese Bronze Exhaust Valve Guide +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$11.54
Vendor:GSC Power DivisionGSC P-D BMW E92 335i Inline 6 Manganese Bronze Exhaust Valve Guide - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D BMW E92 335i Inline 6 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 00-09 Honda S2000 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 99-09 Honda S2000 +.001in OD Manganese Bronze Intake Valve Guide - ONE
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$7.70
Vendor:GSC Power DivisionGSC P-D 99-09 Honda S2000 Manganese Bronze Intake Valve Guide - Set 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99
