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Mitsubishi 4G15 Billet Aluminum Valve Cover – Old Design CNC Performance Upgrade
Enhance your engine bay with the Velocity Race Billet Aluminum Valve Cover designed for Mitsubishi 4G15 engines. This listing features the previous-generation (old) design, offering a proven billet upgrade with reliable fitment, durability, and a clean performance appearance.
Precision CNC-machined from T6061 billet aluminum, it provides strong sealing, structural rigidity, and good heat resistance for both daily-driven and performance builds. Suitable for naturally aspirated and turbocharged applications.
Velocity Race specializes in CNC-machined automotive performance components for enthusiasts and workshops worldwide, with worldwide shipping available.
Compatibility
Fits:
- Mitsubishi vehicles equipped with 4G15 engine
- Proton models running 4G15 engine
- 4G15 engine swap applications
Features and Benefits
- Original Velocity Race old design version
- CNC-machined billet T6061 aluminum construction
- Direct-fit replacement design
- Stronger and more durable than OEM covers
- Good heat resistance
- Clean engine bay appearance
- Suitable for turbo and NA builds
Material and Finish
- Material: Billet T6061 aluminum
- Standard Finish: Brushed aluminum
Product comes in brushed aluminum finish as standard. Allows polishing or custom coating if desired.
Anodizing Options
Optional anodized finishes available:
- Black
- Purple
- Blue
- Gold
- Red
- Silver
Additional 4–5 days processing time applies.
Package Includes
- 1 Billet aluminum valve cover
- 1 Oil cap
Important Note
- This product features the previous (old) design.
- Customers looking for the newest version should refer to the New Design listing.
- This is an aftermarket performance component by Velocity Race.
- It is not an OEM or genuine Mitsubishi or Proton product.
- Brand and vehicle names are used strictly for compatibility reference.
Installation
- Professional installation recommended.












