GSC Intake Camshaft Set for Porsche 996/997/991 GT3 Cup S – GSC6977IN
The GSC6977IN Intake Camshaft Set is designed as a direct replacement for the factory GT3 Cup S intake cams used in Porsche 996, 997, and 991 platforms. Ideal for 3.8L and 4.0L engine builds requiring improved airflow, this set is a popular choice for PCA GTA class applications and high-performance rebuilds.
Porsche OEM Part Reference
- Intake Camshaft: 996.105.236.97
Compatibility Notes
Compatible with OEM Cup dual valve springs when properly set up and verified for coil bind and seat pressure. Offers factory-level fitment with enhanced flow characteristics for performance builds.
Ordering Options
- Full Set: Includes 2 intake cams and 2 exhaust cams
- Exhaust Set: Includes 2 exhaust cams only
- Intake Set: Includes 2 intake cams only (GSC6977IN)
Whether you're refreshing a GT3 Cup motor or building a high-flow track setup, the GSC6977IN intake camshafts deliver OEM reliability with performance-ready airflow.
Fitment:
- 2004 Porsche 996 GT3 Cup S
- 2005 Porsche 996 GT3 Cup S
- 2006 Porsche 997 GT3 Cup S
- 2007 Porsche 997 GT3 Cup S
- 2008 Porsche 997 GT3 Cup S
- 2009 Porsche 997 GT3 Cup S
- 2010 Porsche 997 GT3 Cup S
- 2011 Porsche 997 GT3 Cup S
- 2012 Porsche 997 GT3 Cup S
- 2013 Porsche 997 GT3 Cup S
- 2014 Porsche 991 GT3 Cup S
- 2015 Porsche 991 GT3 Cup S
- 2016 Porsche 991 GT3 Cup S
- 2017 Porsche 991 GT3 Cup S
- 2018 Porsche 991 GT3 Cup S
- 2019 Porsche 991 GT3 Cup S
- 2020 Porsche 991 GT3 Cup S
* Also suitable for standard GT3 Cup cars running 3.8L or 4.0L rebuilds where increased airflow is desired — especially in PCA GTA class setups.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
