Key Features
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CNC billet aluminum construction
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Red hexagon-style design
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Universal screw-in type
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Lightweight performance look
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Direct replacement for compatible oil filler caps
Translation: small upgrade, big visual impact.
Why Upgrade the Oil Cap?
A billet oil cap provides:
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Better heat resistance than plastic
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Clean engine bay aesthetics
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Corrosion resistance
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Easy removal with hex-style grip
It’s not adding horsepower—but it looks like it could.
- 100% brand new items, never used or installed.
- Replacement aluminum engine oil filler cap.
- Made by OEM approved manufacturers with materials that meets or exceeds strict OEM requirements.
- Manufactured from high quality CNC-machined T-6061 billet aluminum with an anodized finish for superior strength and corrosion protection.
- Direct bolt-on item; no modifications required.
- Features pre-drilled holes to over tighten and loosen with a screwdriver.
- Cap comes with heat resistant rubber to prevent oil spills and protect from high temperatures or brittling.
- Specifications (Estimated):
- Diameter: 2.25″ / 57.15mm
- No installation guides are included, we highly recommend seeking professional installation.
Compatible/Replacement for:
- M-itsubishi Engines (Twist & Lock Style Oil Caps Only)
Does not work for spring oil fill ports.
Ideal Applications
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Show builds
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Fresh valve cover refinishes
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JDM-themed engine bays
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Evo / DSM dress-up upgrades
Perfect finishing touch when everything else is dialed in.
Installation Notes
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Confirm thread compatibility
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Ensure proper O-ring seal
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Hand-tighten only
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Do not overtighten
Because stripped valve covers are not stylish.
Final Verdict
The AJP Distributors Red Hexagon Billet Oil Filler Cap is a simple but effective cosmetic upgrade for Mitsubishi 4G63-powered platforms. Durable, lightweight, and unmistakably JDM.
Because stock plastic caps don’t belong on boosted builds.
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