A Complete Guide to Protecting Raw-Machined Finishes
Aluminum wheels with a fully machined finish deliver one of the cleanest, brightest looks on the road. The crisp surface, tight grain structure, and metallic reflectivity create the kind of detail that turns heads whether the wheel is off-road, luxury, or performance oriented.
But there’s a catch.
If the wheel doesn’t have a clear coat, the machined surface is exposed raw aluminum—and that means it requires a different approach to cleaning and maintenance.
In this guide, we break down exactly how to care for a raw-machined wheel so you can preserve the finish, prevent oxidation, and keep your wheels looking new for years.
Why Raw Machined Aluminum Needs Special Care
Clear-coated wheels create a barrier between the metal and the elements. Without that barrier, aluminum reacts quickly to:
- Moisture
- Brake dust
- Road salt
- Acidic cleaners
- Heat cycles
This reaction shows up as oxidation—often seen as a chalky, dull, or cloudy haze on the machined face. The good news is that oxidation is preventable with proper maintenance.
Step 1: Use a pH-Neutral Cleaner
Start with the right cleaner. Avoid anything acidic or heavily alkaline, as these can stain or “burn” raw aluminum.
Look for:
- P&S Brake Buster (diluted)
- Griot’s Garage Wheel Cleaner
- Any pH-neutral, non-acidic formula
Spray lightly, agitate with a soft wheel brush or microfiber, and rinse thoroughly.
Step 2: Dry the Wheel Immediately
This is one of the biggest secrets to maintaining a machined finish.
Raw aluminum absolutely hates sitting water.
Leaving moisture on the surface can create water spots or accelerate oxidation, especially under sunlight. After washing:
- Use a dedicated drying towel
- Or blow dry the wheel with compressed air or a blower
Fast drying = long-lasting shine.
Step 3: Protect the Surface (Sealant or Ceramic Coating)
Since there’s no clear coat, you must add a layer of protection. You can choose between two effective routes depending on how much maintenance you want.
Option A: Wheel Sealant (Easy & Affordable)
A wheel sealant acts like a temporary protective coat.
Recommended options:
- Chemical Guys Wheel Guard
- Poorboy’s Wheel Sealant
- Griot’s Wheel Wax
Benefits:
- Quick application
- Enhances shine
- Repels brake dust and light moisture
Reapply every 2–4 weeks for the best results.
Option B: Ceramic Coating (Maximum Protection)
For long-term corrosion and oxidation protection, a ceramic coating is the superior choice.
Top choices include:
- Gtechniq C5 Wheel Armour
- CarPro DLUX
- Cerakote True Aluminum Ceramic Kit
Benefits:
- 6–12 months of durability
- Superior resistance to oxidation
- Easier cleaning
- Reduced brake dust adhesion
If you want a “set it and forget it” approach, ceramic coating is the way to go.
Step 4: Address Oxidation Early
Even with good maintenance, aluminum can sometimes start to dull.
Look for:
- Chalky white haze
- Slight yellowing
- Dull or cloudy patches
If oxidation appears, use a light metal polish to restore clarity:
- Mothers Mag & Aluminum Polish
- Flitz Aluminum Polish
- Autosol Aluminum Polish
Once restored, always reapply your sealant or ceramic protection.
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PRECISION SERIES602 Beadlock Full Machined – Cast
5Lug | 6Lug Fitments Available
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PRECISION SERIES601 Maze Beadlock Full Machined – Forged
Exclusive Run – Limited Stock