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GSC SWAG
Categories
- BMW
- Audi
- Toyota
- Subaru
- Mitsubishi
- Nissan
- Honda
- Ford
- Hyundai Genesis
- CAN-AM
- Mazda
- Dodge
- Porsche
- GM
- Lamborghini
- GSC SWAG
- BMW
- Audi
- Toyota
- Subaru
- Mitsubishi
- Nissan
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- CAN-AM
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GSC SWAG
GSC Power Division Porsche Performance Camshafts & Valves
9 products




GSC Power-Division Porsche 996/997/991 GT3 Cup S Camshaft Exhaust Set
GSC6977EX
Regular price £1,254.00 Sale price £1,097.78 Save £156.22GSC Power-Division Porsche 996/997/991 GT3 Cup Camshaft set. Designed as a factory replacement for the GT3 Cup S camshafts GSC Power Division Porche camshaft exhaust.
Porsche part numbers
Exhaust: 996.105.245.92
Intake : 996.105.236.97
These can also be used in standard GT3 Cup cars with 3.8L or 4.0L engine rebuilds needing more air flow for increased power (PCA GTA class type cars).
OEM Cup Dual springs ok to use when set up and checked for coil bind and seat pressure. GSC Power Division Porche camshaft exhaust
ORDER OPTIONS
"FULL SET" CONSISTS OF 2 EXHAUST CAMS AND 2 INTAKE CAMS
"EXHAUST SET" IS ONLY A PAIR OF 2 EXHAUST CAMS
"INTAKE SET" IS ONLY A PAIR OF 2 INTAKE CAMS

GSC Power-Division Intake Valve Guide STD for Porsche 996/997 Turbo 911
GSC3058-12
Regular price £76.43 Sale price £66.91 Save £9.52GSC Power-Division Intake Valve Guide for Porsche 996/997 Turbo 911 GSC Power Division Valve Guide Porsche
- Standard sized sold as set of 12 or individually
- Oversized sold individually as +0.001" and +0.003"
GSC3058 | Standard (in/mm) |
Total Length | 1.450 / 36.83 |
Outer Diameter | 0.4157 / 10.56 |
Valve Stem Diameter | 6mm |

GSC Power-Division Exhaust Valve Guide for Porsche 996/997 Turbo 911
GSC3057-12
Regular price £71.79 Sale price £62.84 Save £8.95GSC Power-Division Exhaust Valve Guide for Porsche 996/997 Turbo 911 GSC Power Division Intake Guide Porsche
- Standard sized sold as set of 12 or individually
- Oversized sold individually as +0.001" and +0.003"
GSC3057 | Standard (in/mm) |
Total Length | 1.690 / 42.93 |
Outer Diameter | 0.4157 / 10.56 |
Valve Stem Diameter | 6mm |

GSC Power-Division Intake or Exhaust Valve Guide for Porsche 996/997 GT3 Cup
GSC3997-12
Regular price £72.11 Sale price £63.13 Save £8.98GSC Power-Division Intake or Exhaust Valve Guide for Porsche 996/997 GT3 Cup - 2 sets needed for complete engine
- Standard sized sold as set of 12 or individually
- Oversized sold individually as +0.001" and +0.003"
GSC3997 | Standard (in/mm) |
Total Length | 1.673 / 42.49 |
Outer Diameter | 0.4160 / 10.57 |
Valve Stem Diameter | 6mm |

GSC Power-Division Conical Spring set with Titanium Retainer and Chromoly Seat for the Porsche 991/992-GT3 and GT3 Cup
GSC5092
Regular price £1,097.00 Sale price £960.35 Save £136.65GSC Power-Division High Reving Lightweight 991 GT3 Conical valve spring kit.
GSC5092 Conical Valve Spring Kit with Ti Retainer for Porsche 991/2 GT3 and GT3 CUP |
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Setup | Coil Bind mm/(in) | Install Height mm/(in) | Seat Pressure (lbs) | Open Pressure, 13mm Lift | Maximum Valve Lift mm(in) |
Conical | 24.18mm/.952" | 40mm/1.574" |
113 | 265lbs @ 1.062" | 14.25mm/0.562" |
- Max RPM: 11,000 RPM

GSC Power-Division Standard Intake Valve Guide for Porsche 944 16V
GSC3084-8
Regular price £49.10 Sale price £42.99 Save £6.11GSC Power-Division Standard Intake Valve Guide for Porsche 944 16V GSC Power Division Valve Guide 944
- Standard sized sold as set of 8 or individually
- Oversized sold individually as +.001" and +.003"
GSC3084 | Standard (in/mm) |
Total Length | 1.300 / 33.02 |
Outer Diameter | 0.4354 / 11.06 |
Valve Stem Diameter | 7mm |

GSC Power-Division Standard Exhaust Valve Guide for Porsche 944 16V
GSC3083-8
Regular price £49.10 Sale price £42.99 Save £6.11GSC Power-Division Standard Exhaust Valve Guide for Porsche 944 16V
- Standard sized sold as set of 8 or individually
- Oversized sold individually as +.001" and +.003"
GSC3083 | Standard (in/mm) |
Total Length | 1.725 / 43.82 |
Outer Diameter | 0.4354 / 11.06 |
Valve Stem Diameter | 7mm |