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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Vendor:GSC Power Division
GSC P-D BMW/Toyota B58 / BMW S58 Manganese Bronze Exhaust Valve Guide w/Stopper - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Ford 5.0L Coyote Gen 1/Gen 2 Int/Exh Valve Guide w/Stopper +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Ford 5.0L Coyote Gen 1/Gen 2 Int/Exh Valve Guide w/Stopper +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Ford 5.0L Coyote Gen 1/Gen 2 (STD) Intake/Exhaust Valve Guide w/Stopper - Set of 16
Regular price $87.99Regular price$103.37-$15.38 Sale price $87.99 -
Vendor:GSC Power Division
GSC P-D Ford 5.0L Coyote Gen 1/Gen 2 (STD) Intake/Exhaust Valve Guide w/Stopper - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET/RB26 Exhaust Valve Guide w/Stopper +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET/RB26 Exhaust Valve Guide w/Stopper +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET (STD) Exhaust Valve Guide w/Stopper - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC P-D Nissan RB26 (STD) Exhaust Valve Guide w/Stopper - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET/RB26 Exhaust Valve Guide w/Stopper - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET/RB26 Intake Valve Guide w/Stopper +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET/RB26 Intake Valve Guide w/Stopper +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET (STD) Intake Valve Guide w/Stopper - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC P-D Nissan RB26 (STD) Intake Valve Guide w/Stopper - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Nissan SR20DET/RB26 STD Intake Valve Guide w/Stopper - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ2 1.75in Len .34in Protrusion +.003 OS Exh Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ2 1.75in Len .34in Protrusion +.001 OS Exh Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 2 1.75in Len .34in Protrusion Exhaust Valve Guide Stopper Style - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 2 1.75in Length .34in Protrusion Exhaust Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 2 1.34in Len .345in Protrusion +.003 Int Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 2 1.34in Len .345in Protrusion +.001 Int Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 2 1.34in Len .345in Protrusion Intake Valve Guide Stopper Style - Set of 12
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 2 1.34in Len .345in Protrusion Intake Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Exhaust Valve Guide Stopper Style OVERSIZE +.003 - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Exhaust Valve Guide Stopper Style OVERSIZE +.001 - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Exhaust Valve Guide Stopper Style - Set
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Exhaust Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Intake Valve Guide Stopper Style OVERSIZE +.003 - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Intake Valve Guide Stopper Style OVERSIZE +.001 - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Intake Valve Guide Stopper Style - Set
Regular price $65.99Regular price$77.53-$11.54 Sale price $65.99 -
Vendor:GSC Power Division
GSC P-D Subaru EZ30 PHZ 1 Intake Valve Guide Stopper Style - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC Honda K20C1 CTR Exhaust Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC Honda K20C1 CTR Exhaust Valve Guide +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC Honda K20C1 CTR (STD) Exhaust Valve Guide - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC Honda K20C1 CTR (STD) Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99