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.
Skip to product grid
-
Sold outVendor:GSC Power Division
GSC P-D Toyota/BMW B58 Intake Titanium Retainer - Set of 12
Regular price $158.99Regular price$186.60-$27.61 Sale price $158.99 -
Sold outVendor:GSC Power Division
GSC P-D Ford Raptor 3.5L EcoBoost +.001in Oversize Stopper Intake/Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Sold outVendor:GSC Power Division
GSC P-D Subaru EJ25 SOHC Intake/Exhaust Valve Guide Stopper Style - Set of 240
Regular price $1,281.99Regular price$1,507.92-$225.93 Sale price $1,281.99 -
-$0.72Vendor:GSC Power Division
GSC P-D Ford Raptor 3.5L Ecoboost +.003in Oversize Intake/Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$43.31
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru FA24F 29mm Head STD 96.5mm Long Alloy Chrome Polished Exhaust Valve - Set of 8
Regular price $246.99Regular price$290.30-$43.31 Sale price $246.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru FA24F 29mm Head STD 96.5mm Long Alloy Chrome Polished Exhaust Valve - Single
Regular price $32.99Regular price$37.80-$4.81 Sale price $32.99 -
-$27.71
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F 36mm Head (STD) 104.8mm Long Chrome Polished Intake Valve - Set of 8
Regular price $160.99Regular price$188.70-$27.71 Sale price $160.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F 36mm Head (STD) 104.8mm Long Chrome Polished Intake Valve - Single
Regular price $20.99Regular price$24.57-$3.58 Sale price $20.99 -
-$28.24
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru FA24F 29mm Head STD 96.5mm Long 23-8N Chrome Polished Exhaust Valve - Set of 8
Regular price $165.99Regular price$194.23-$28.24 Sale price $165.99 -
-$3.30
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru FA24F 29mm Head (STD) 96.5mm Long 23-8N Chrome Polished Exhaust Valve - Single
Regular price $21.99Regular price$25.29-$3.30 Sale price $21.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Toyota G16E-GTS 32mm Head (STD) 117.1mm Long Alloy Chrome Polished Exhaust Valve - Single
Regular price $32.99Regular price$38.07-$5.08 Sale price $32.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Toyota G16E-GTS 32.8mm Head (STD) 113.7mm Long Chrome Polished Intake Valve - Single
Regular price $24.99Regular price$29.12-$4.13 Sale price $24.99 -
Sold outVendor:GSC Power Division
GSC P-D BMW B58 Gen 1 S3 Camshafts 292/300 Billet (Use w/Turbo Upgrade & Ported Head)
Regular price $1,190.99Regular price$1,400.00-$209.01 Sale price $1,190.99 -
Sold outVendor:GSC Power Division
GSC P-D BMW B58 Gen 1 S2 Camshafts 284/288 Billet (Use w/Turbo Upgrade & Ported Head)
Regular price $1,190.99Regular price$1,400.00-$209.01 Sale price $1,190.99 -
Sold outVendor:GSC Power Division
GSC P-D BMW B58 Gen 1 S1 Camshafts 272/272 Billet (Use w/Turbo Upgrade & Ported Head)
Regular price $1,190.99Regular price$1,400.00-$209.01 Sale price $1,190.99 -
Sold outVendor:GSC Power Division
GSC P-D Ford Raptor/Platinum/Limited Ecoboost 3.5L H.O. Conical Valve Spring and Ti Retainer Kit
Regular price $620.99Regular price$730.00-$109.01 Sale price $620.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Ford 5.2L Voodoo/Predator Conical Spring & Ti Retainer Kit
Regular price $782.99Regular price$920.00-$137.01 Sale price $782.99 -
-$47.53
Vendor:GSC Power DivisionGSC P-D Audi DAZA 33.9mm Head STD 104mm Long Chrome Polished Intake Valve - Set of 10
Regular price $269.99Regular price$317.52-$47.53 Sale price $269.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Audi DAZA 33.9mm Head STD 104mm Long Chrome Polished Intake Valve - Single
Regular price $28.99Regular price$33.08-$4.09 Sale price $28.99 -
-$54.20
Vendor:GSC Power DivisionGSC P-D Ford Voodoo/Predator 32.5mm Head STD 109.8mm Long Chrm Super Alloy Exhaust Valve - Set of 8
Regular price $307.99Regular price$362.19-$54.20 Sale price $307.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Ford Voodoo/Predator 32.5mm Head STD 109.8mm Long Chrome Super Alloy Exhaust Valve - Single
Regular price $40.99Regular price$47.16-$6.17 Sale price $40.99 -
-$35.58
Vendor:GSC Power DivisionGSC P-D Ford Voodoo/Predator 38.26mm Head STD 121.13mm Long Chrome Polished Intake Valve - Set of 8
Regular price $205.99Regular price$241.57-$35.58 Sale price $205.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Ford Voodoo/Predator 38.26mm Head (STD) 121.13mm Long Chrome Polished Intake Valve - Single
Regular price $26.99Regular price$31.46-$4.47 Sale price $26.99 -
-$24.71
Vendor:GSC Power DivisionGSC P-D Toyota G16E-GTS 32.8mm Head (STD) Chrome Polished Intake Valves - Set of 6
Regular price $142.99Regular price$167.70-$24.71 Sale price $142.99 -
-$32.29
Vendor:GSC Power DivisionGSC P-D Toyota G16E-GTS 32mm Head (STD) Chrome Polished Exhaust Valve - Set of 6
Regular price $186.99Regular price$219.28-$32.29 Sale price $186.99 -
-$60.76Vendor:GSC Power Division
GSC P-D Mitsubishi 4G63T Evo 9 Mivec S2 Cam 274/274 Billet Intake Cam
Regular price $348.99Regular price$409.75-$60.76 Sale price $348.99 -
-$50.76Vendor:GSC Power Division
GSC P-D Subaru EJ20 JDM / Euro Spec STi S2 RH Intake Cam
Regular price $292.99Regular price$343.75-$50.76 Sale price $292.99 -
Sold outVendor:GSC Power Division
GSC P-D Subaru EJ20 JDM / Euro Spec STi S2 LH Intake Cam
Regular price $292.99Regular price$343.75-$50.76 Sale price $292.99 -
-$0.72
Vendor:GSC Power DivisionGSC Toyota/BMW B58 Oversize +.001 OD Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$0.72
Vendor:GSC Power DivisionGSC Toyota/BMW B58/S58 .003in Oversize Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
-$87.01
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F High Pressure Conical Valve Spring and Ti Retainer Kit
Regular price $496.99Regular price$584.00-$87.01 Sale price $496.99 -
-$87.01
Vendor:GSC Power DivisionGSC P-D 2022+ Subaru WRX FA24F Conical Valve Spring and Ti Retainer Kit
Regular price $496.99Regular price$584.00-$87.01 Sale price $496.99 -
-$35.85Vendor:GSC Power Division
GSC P-D Mitsubishi 4G63 Conical Titanium Retainer Set
Regular price $203.99Regular price$239.84-$35.85 Sale price $203.99 -
-$57.76Vendor:GSC Power Division
GSC P-D 4G63T EVO 1-3/ DSM 90-99 S2 Intake Cam
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
-$114.51Vendor:GSC Power Division
GSC P-D Mitsubishi Evolution 9 4G63T 260/268 Billet R1R Rally Camshafts
Regular price $653.99Regular price$768.50-$114.51 Sale price $653.99
