GSC Power Division
GSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Exhaust Valve - 31.5mm Head (+1mm) - SET 8 - 2003-8
- SKU:
- GSC2003-8
- UPC:
- GSC2003-8
- MPN:
- 2003-8
- Availability:
- Regularly stocked product
Description
Do I need to machine my cylinder head for these valves?
GSC Exhaust Valve Sets +1mm often require professional installation and may necessitate cylinder head modifications for optimal fitment and performance.
What is the primary benefit of these valves?
Achieving superior durability and heat resistance, these valves deliver enhanced exhaust flow for a more potent engine response and significant power gains.
GSC Exhaust Valve Sets +1mm for Evo 1-9 / 90-98 DSM are engineered for performance enthusiasts seeking increased engine power with an engine performance score of 9. These chrome polished 31.5mm head valves provide a direct upgrade for immediate performance gains, offering superior durability and heat resistance for demanding conditions.
Key Features
- GSC P-D 4G63T Evo 1-9 / 90-98 DSM Chrome Polished Exhaust Valve
- 31.5mm Head
- +1mm
- SET 8
- 2003-8
Why Choose the GSC Exhaust Valve Sets +1mm
Delivers enhanced exhaust flow for a more potent engine response.
Achieves superior durability and heat resistance for demanding conditions.
Provides a direct upgrade for immediate performance gains.
Maximizes engine breathing for a noticeable power increase.
Who Is This For?
Track / Autocross — 8/10
Larger valve head increases airflow for power gains.
Drag Racing — 8/10
Larger valve head increases airflow for power gains.
Street Performance — 8/10
Larger valve head increases airflow for power gains.
Racing Competition — 8/10
Larger valve head increases airflow for power gains.
Engine Performance — 9/10
Larger valve head increases airflow for power gains.
Frequently Asked Questions
Are GSC Power Division +1mm exhaust valves a good upgrade for my Evo 1-9 or 90-98 DSM?
GSC Power Division +1mm exhaust valves provide a direct upgrade for immediate performance gains by maximizing engine breathing. This is ideal for 'Engine Performance' with a usage score of 9, delivering a noticeable power increase for demanding conditions. Confirm fitment with your vehicle for confident installation.
Are bigger exhaust valves better for performance?
Larger exhaust valves significantly enhance exhaust flow, leading to more potent engine response and noticeable power increases. For 'Track / Autocross' use with a score of 8, the +1mm larger valve head directly contributes to these substantial power gains. This upgrade maximizes engine breathing effectively.
What are the performance benefits of GSC Power Division +1mm exhaust valves?
GSC Power Division +1mm exhaust valves deliver enhanced exhaust flow for a more potent engine response, achieving superior durability and heat resistance. This provides a direct upgrade for immediate performance gains, especially beneficial for 'Drag Racing' with a usage score of 8. Experience a noticeable power increase with maximized engine breathing.
What is the recommended installation for GSC Power Division +1mm exhaust valves?
Professional installation is recommended for GSC Power Division +1mm exhaust valves, requiring confirmation with a qualified technician. This ensures proper integration for optimized performance. The advanced maintenance level is suited for enthusiasts seeking increased engine power through improved airflow with these larger exhaust valves.
Additional Resources
Important Notices
⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
Browse More: Shop All Valves — Engine Components
Additional Information
Clearance Item: |
N |
MPN: |
2003-8 |
Proposition 65: |
Y |
Case Lot Quantity: |
1 |
Category: |
Engine Components>Valves |
Product Level: |
Mid Range |
Track / Autocross: |
8/10 |
Drag Racing: |
8/10 |
Street Performance: |
8/10 |
Racing Competition: |
8/10 |
Engine Performance: |
9/10 |