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SKU: 2002-01 | UPC: GSC2002-01
GSC P-D Mitsubishi 4G63T Evo 1-9 Chrome Polished Intake Valve - 34mm Head (STD) - Single
This GSC Power-Division intake valve fits Mitsubishi 4G63T engines in Lancer Evolution models from 1992 to 2006. The 34mm standard head diameter with chrome polished stem ensures reliable airflow for turbocharged performance builds. Sold as a single valve for targeted replacements in Evo 1 through 9 with exact OEM dimensions of 105.88mm overall length and 6.98mm stem.
Key Features
- Chrome Polished Stem: Reduces guide wear and friction for consistent valve action over thousands of miles
- Beveledge Technology: Sharpens the valve seat edge to cut stress by 30% and increase flow around the seat
- Exact Dimensions: 34mm head 105.88mm overall length 6.98mm stem fits stock heads without modifications
- GSC Special Blend Material: Forged one-piece construction handles extreme heat and boost pressures in 4G63T
- STD Sizing: Direct OEM replacement with performance upgrades for Evo valvetrain reliability
Product Notes
- Single valve design allows precise replacement of worn or damaged intakes
- Inspect valve springs and retainers during service for full valvetrain health
- Packed in protective sleeve to prevent shipping damage
Installation Notes
- Professional installation recommended.
- Stem diameter 6.98mm / 6.96mm requires standard valve guides
- Compatible with OEM retainers keepers and seals
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1992-1993 | Mitsubishi | Lancer Evolution | I (Evo 1) |
| 1994-1995 | Mitsubishi | Lancer Evolution | II (Evo 2) |
| 1995-1996 | Mitsubishi | Lancer Evolution | III (Evo 3) |
| 1996-1998 | Mitsubishi | Lancer Evolution | IV (Evo 4) |
| 1998-1999 | Mitsubishi | Lancer Evolution | V (Evo 5) |
| 1999-2001 | Mitsubishi | Lancer Evolution | VI (Evo 6) |
| 2001-2003 | Mitsubishi | Lancer Evolution | VII (Evo 7) |
| 2003-2005 | Mitsubishi | Lancer Evolution | VIII (Evo 8) RS MR |
| 2005-2006 | Mitsubishi | Lancer Evolution | IX (Evo 9) MR RS SE |
Why Choose GSC Power-Division?
- Proven in drag racing and time attack Evo builds worldwide
- Manufactured with tight tolerances for drop-in performance gains
- Engineered for 4G63T turbo applications with heat-treated durability
Frequently Asked Questions
-
Q: Will this valve fit US-spec Evo 8 and 9 models?
A: Yes it matches 4G63T heads in 2003-2006 Lancer Evolution VIII and IX RS MR SE submodels perfectly -
Q: What material is used in this intake valve?
A: One-piece forged from GSC Special Blend alloy designed for high-rpm boost and heat resistance -
Q: What warranty applies to GSC valves?
A: Backed by GSC one-year unlimited mileage warranty when installed by certified technician
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective sleeve in 6 x 4 x 1 inch box
- Weight: 0.2 lbs
GSC Power Division
GSC Power Division is a manufacturer of precision-engineered camshafts, valve springs, and valvetrain components designed for high-performance and competition engines across domestic, import, and diesel platforms. Founded by engineers with deep roots in motorsport, GSC Power Division components are machined to exacting tolerances and heat-treated to survive the demands of forced induction and high-rpm applications that destroy stock valvetrain parts. The brand is particularly well-known in the Mitsubishi Evo, Subaru STI, Nissan RB, and Toyota 2JZ communities where aggressive camshaft profiles are essential for extracting maximum power from turbocharged four-cylinder and six-cylinder engines. Whether building for drag racing, road course competition, or a high-powered street car, GSC Power Division camshafts and valve springs are a proven upgrade path. Popular Upgrades GSC Power Division S1, S2, and S3 camshafts are the most popular selections, with each profile offering progressivel...
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