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 out
Vendor:GSC Power DivisionGSC P-D 06-07 Subaru WRX 2.5L/ 04-07 Subaru STI S1 Cam - Right Intake Only
Regular price $280.99Regular price$330.00-$49.01 Sale price $280.99 -
-$42.76
Vendor:GSC Power DivisionGSC P-D 2006-2007 2.5L Subaru WRX / 2004-2007 Subaru STi S1 Cams 272 Billet (Right Exhaust Cam Only)
Regular price $245.99Regular price$288.75-$42.76 Sale price $245.99 -
-$49.01
Vendor:GSC Power DivisionGSC P-D 06-07 Subaru WRX 2.5L/ 04-07 Subaru STi S1 Cam - Left Intake Only
Regular price $280.99Regular price$330.00-$49.01 Sale price $280.99 -
-$42.76
Vendor:GSC Power DivisionGSC P-D 06-07 Subaru WRX 2.5L/ 04-07 Subaru STI S1 Cam - Left Exhaust Only
Regular price $245.99Regular price$288.75-$42.76 Sale price $245.99 -
Sold outVendor:GSC Power Division
GSC P-D Subaru EJ25 Single AVCS (w/RH Intake Oil Pump Scavenger Drive) S2 Cams 272/272 Billet
Regular price $1,043.99Regular price$1,227.88-$183.89 Sale price $1,043.99 -
-$183.89Vendor:GSC Power Division
GSC P-D Subaru EJ25 Single AVCS (w/RH Intake Oil Pump Scavenger Drive) 264/264 S1 Billet Camshaft
Regular price $1,043.99Regular price$1,227.88-$183.89 Sale price $1,043.99 -
-$164.26
Vendor:GSC Power DivisionGSC P-D 02-05 Subaru WRX EJ205 S3 Billet Cams 280/280
Regular price $932.99Regular price$1,097.25-$164.26 Sale price $932.99 -
-$63.06
Vendor:GSC Power DivisionGSC P-D Mitsubishi Evo X 4B11T S3 Cams 280/280 Billet **EXHAUST CAM ONLY**
Regular price $360.99Regular price$424.05-$63.06 Sale price $360.99 -
-$122.51
Vendor:GSC Power DivisionGSC P-D 08-16 Mitsubishi Evo X 4B11T S3 Cams 280/280 Billet
Regular price $698.99Regular price$821.50-$122.51 Sale price $698.99 -
-$63.06
Vendor:GSC Power DivisionGSC P-D 2008+ Mitsubishi Evo 10 4B11T Dual Mivec S2 Cams 274/274 Billet (Intake Cam Only)
Regular price $360.99Regular price$424.05-$63.06 Sale price $360.99 -
-$63.06
Vendor:GSC Power DivisionGSC P-D 4B11T 08+ Evo 10 Dual Mivec S2 Cams 274/274 Billet **EXHAUST CAM ONLY**
Regular price $360.99Regular price$424.05-$63.06 Sale price $360.99 -
-$63.06
Vendor:GSC Power DivisionGSC P-D 4B11T 08+ Evo 10 Dual Mivec S1 Cams 264/264 Billet (Intake Cam Only)
Regular price $360.99Regular price$424.05-$63.06 Sale price $360.99 -
-$63.06
Vendor:GSC Power DivisionGSC Mitsubishi 4B11T S1 Camshaft Exhaust Billet
Regular price $360.99Regular price$424.05-$63.06 Sale price $360.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D 4G63T Evo 9 Mivec S3 Intake Cam 280/280 Billet
Regular price $348.99Regular price$409.75-$60.76 Sale price $348.99 -
-$57.76
Vendor:GSC Power DivisionGSC P-D 4G63T Evo 9 Mivec S3 Exhaust Cam 280/280 Billet
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Mitsubishi 4G63T Evo 9 Mivec S2 Cam 274/274 Billet Exhaust Cam
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Mitsubishi 4G63T Evo 4-8 S3 Cam 280/280 Billet Intake Cam Only
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Mitsubishi 4G63T Evo 4-8 S3 Cam 280/280 Billet Exhaust Cam Only
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
-$57.76
Vendor:GSC Power DivisionGSC P-D Mitsubishi 4G63 EVO 4-8 S2 Intake Cam Billet
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Mitsubishi Evo 4-8 4G63T 274/272 S2 Billet Exhaust Side Camshaft (Exhaust Cam Only)
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
-$111.31
Vendor:GSC Power DivisionGSC P-D Mitsubishi Evolution 4-8 4G63T Stroker R3 Camshafts Billet
Regular price $635.99Regular price$747.30-$111.31 Sale price $635.99 -
-$111.31
Vendor:GSC Power DivisionGSC Mitsubishi Evolution 4-8 4G63T Billet R1 Camshafts 268/268
Regular price $635.99Regular price$747.30-$111.31 Sale price $635.99 -
-$111.31
Vendor:GSC Power DivisionGSC P-D Mitsubishi EVO 8 4G63 L3 Billet Camshaft Set
Regular price $635.99Regular price$747.30-$111.31 Sale price $635.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D 4G63T EVO 1-3/ DSM 90-98 Billet Cams 280/280 Exhaust Cam Only
Regular price $329.99Regular price$387.75-$57.76 Sale price $329.99 -
-$111.31
Vendor:GSC Power DivisionGSC P-D Mitsubishi Evo 1-3 4G63T R2 Stroker Cams 274/274 Billet (Beehive Spring/Retainer Kit Req)
Regular price $635.99Regular price$747.30-$111.31 Sale price $635.99 -
-$111.82
Vendor:GSC Power DivisionGSC P-D Nissan RB26DETT/RB26 Cylindrical Valve Spring Kit
Regular price $636.99Regular price$748.81-$111.82 Sale price $636.99 -
-$82.64
Vendor:GSC Power DivisionGSC P-D Subaru EZ36 Valve Spring Seat and Titanium Retainer Kit
Regular price $468.99Regular price$551.63-$82.64 Sale price $468.99 -
-$49.32
Vendor:GSC Power DivisionGSC P-D 3SGTE Spring and Titanium Retainer Kit for Shim Under Bucket
Regular price $282.99Regular price$332.31-$49.32 Sale price $282.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D 3SGTE Spring and Titanium Retainer Kit for Shimless and Shimover Bucket
Regular price $282.99Regular price$332.31-$49.32 Sale price $282.99 -
-$74.48
Vendor:GSC Power DivisionGSC P-D Toyota 2JZGTE/2JZGE/VVTI Variants Valve Spring Kit (set of 24)
Regular price $423.99Regular price$498.47-$74.48 Sale price $423.99 -
-$177.03
Vendor:GSC Power DivisionGSC P-D Toyota 2JZ Dual Valve Spring and Ti Retainer Kit
Regular price $1,006.99Regular price$1,184.02-$177.03 Sale price $1,006.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Subaru FA20 WRX/BRZ/FRS Dual Cylindrical Valve Spring Kit
Regular price $449.99Regular price$528.94-$78.95 Sale price $449.99 -
-$97.01
Vendor:GSC Power DivisionGSC P-D 2017+ Audi RS3 DAZA Beehive Valve Spring and Ti Retainer Kit (60PSI Max Boost)
Regular price $552.99Regular price$650.00-$97.01 Sale price $552.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Porsche 991 Turbo Conical Spring Set
Regular price $981.99Regular price$1,155.00-$173.01 Sale price $981.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Porsche GT3/GT3 (991) Single Conical Valve Spring Ti Retainer Steel Spring Seat Kit
Regular price $981.99Regular price$1,155.00-$173.01 Sale price $981.99