SKU: C4691 / UPC: 191070118433
Cometic Valve Cover Gasket Kit for Mitsubishi 4G63 / 4G63T
The Cometic C4691 Valve Cover Gasket Kit is a premium sealing solution designed specifically for Mitsubishi 4G63 and 4G63T engines.
Unlike traditional cork or paper gaskets that are prone to leaking, drying out, and failing under heat and pressure, this gasket features a soft durometer rubber wrapped around a steel torque-limiting frame. This advanced construction provides superior sealing performance, excellent reusability, and resistance to blowout, over-tightening, and high vacuum.
Whether you’re performing a routine valve cover service or building a high-performance 4G63 engine, this gasket delivers reliable, long-lasting sealing that outperforms standard replacements.
Key Features
- Steel Torque Limiting Frame – Prevents over-tightening and maintains consistent compression
- Soft Durometer Rubber – Excellent conformability and sealing ability
- Superior to Cork/Paper Gaskets – Resists blowout, drying, and vacuum leaks
- Extended Reusability – Can be removed and reinstalled multiple times
- High Heat & Pressure Resistance – Built for both stock and high-performance applications
- Precision Fitment – Engineered specifically for Mitsubishi 4G63 / 4G63T engines
Specifications
| Detail | Value |
|---|---|
| Part Number | C4691 |
| Brand | Cometic Gasket |
| Type | Valve Cover Gasket Kit |
| Compatibility | Mitsubishi 4G63 / 4G63T Engines |
| Material | Rubber with Steel Torque Limiting Frame |
| Country of Origin | United States |
| Warranty | Cometic Limited Warranty |
Whats Included
- Valve Cover Gasket
- Cam Tower Gaskets (where applicable)
- Installation instructions
Product Notes
- Designed for Mitsubishi 4G63 and 4G63T engines (Eclipse, Galant VR-4, Lancer Evolution, etc.)
- Ideal for both street and high-performance applications
- Professional installation recommended for best sealing results
Installation Notes
- Direct replacement for factory valve cover gasket
- Estimated time: 1–2 hours
- Professional installation strongly recommended
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 1990-1999 | Mitsubishi | Eclipse (GSX, GST, TSi) | 4G63 / 4G63T | Valve Cover Gasket Kit |
| 1990-1999 | Mitsubishi | Galant VR-4 | 4G63T | Valve Cover Gasket Kit |
| 1992-1998 | Mitsubishi | Lancer Evolution (I–V) | 4G63T | Valve Cover Gasket Kit |
| 1990-1998 | Eagle | Talon TSi | 4G63T | Valve Cover Gasket Kit |
| 1990-1994 | Plymouth | Laser RS Turbo | 4G63T | Valve Cover Gasket Kit |
Why Choose Cometic Gaskets?
- Industry leader in high-performance sealing solutions
- Advanced rubber-over-steel design for superior sealing and reusability
- Engineered to withstand extreme temperatures and pressures
- Trusted by professional engine builders worldwide
Frequently Asked Questions
- Q: Will this gasket fit my 1995 Mitsubishi Eclipse GST?
A: Yes, the C4691 is designed for all 4G63 and 4G63T engines, including the 1995 Eclipse GST. - Q: Is this better than a regular cork gasket?
A: Yes, Cometic’s rubber-over-steel design offers far better sealing, reusability, and resistance to blowout and vacuum leaks. - Q: Is professional installation required?
A: Professional installation is strongly recommended to ensure proper torque and sealing.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure Cometic retail packaging
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