Best High Temp Engine Paint

Best High Temp Engine Paint – Top Picks for Maximum Performance & Style

When it comes to customizing your car’s engine or ensuring its longevity, one essential yet often overlooked product is high-temperature engine paint. Whether you’re restoring a classic car, detailing a modern build, or simply looking to prevent rust and corrosion, the best high temp engine paint can offer protection while adding a professional-grade finish.

We’ll walk you through the top-rated high-temperature engine paints, what makes them the best, how to choose one, and how to apply it for long-lasting results.

Why High Temp Engine Paint Is Essential

Your engine bay operates at extremely high temperatures. Standard spray paints will peel, crack, or discolor under the heat. High-temperature engine paints are specially formulated to:

Withstand extreme heat (often up to 1,200°F or more)
Prevent rust and corrosion
Resist oil, gas, and chemicals
Provide a durable, long-lasting finish
Enhance visual appeal with vibrant or OEM-matching colors

Quick Comparison of the Best High Temp Engine Paints

Product	Temp Rating	Finish	Size	Best For
VHT SP402 Engine Enamel	550°F	Gloss	11 oz	All-around use
Dupli-Color DE1613 Engine Enamel	500°F	Gloss	12 oz	Factory-color matching
POR-15 High Temp Paint	1,200°F	Satin	8 oz or quart	Extreme temps & durability
Rust-Oleum Automotive High Heat Spray	2,000°F (intermittent)	Flat	12 oz	Exhaust and manifolds
Eastwood Ceramic Engine Paint	650°F	Gloss	Quart	Showroom finish
Seymour EN-66 Hi-Tech Engine Paint	300–350°F	Gloss	12 oz	Quick projects
Krylon High Heat Max	1,200°F	Semi-Gloss	12 oz	Budget-friendly

Let’s break these down in detail.

1. VHT SP402 Engine Enamel

VHT (Very High Temperature) engine enamels are among the most trusted in the automotive industry. The SP402 version, available in Chevy Orange, is a fan-favorite for restoring classic GM engines.

Key Features:

Withstands up to 550°F (intermittent)
Resists oil, gas, and chemicals
Dries to the touch in 30 minutes
Available in various OEM and custom colors

2. Dupli-Color DE1613 Engine Enamel

Dupli-Color is known for OEM color matching and long-lasting performance. Their DE series offers exact factory shades and easy DIY application.

Key Features:

Withstands 500°F
EZ Touch nozzle for smoother spray
Ceramic resins enhance heat resistance
Comes in over 30 engine colors

Pros:

Easy to use and widely available
OEM color accuracy
Good chemical resistance

Cons:

Requires primer and clear coat for best results
Less durable under extreme heat

Best For: Daily drivers, budget-conscious users, and color match enthusiasts.

3. POR-15 High Temperature Paint

POR-15 is the go-to brand for rust prevention and heavy-duty applications. Their high temp paint is built for extreme conditions and engine parts that go beyond 1,000°F.

Key Features:

Rated up to 1,200°F
Long-term corrosion protection
Brush-on or spray options
No need for primer

Pros:

Incredible heat tolerance
Industrial-level durability
Doesn’t peel, chip, or crack easily

Cons:

Satin finish only
More expensive than standard engine paints

Best For: Headers, turbo housings, exhaust manifolds, and racing engines.

4. Rust-Oleum High Heat Spray Paint

Rust-Oleum’s high heat spray is engineered for parts exposed to temperatures up to 2,000°F intermittently—ideal for exhausts and manifolds.

Key Features:

Resists heat up to 2,000°F
Protective enamel base
Flat black finish

Pros:

Great value for extreme heat parts
Available in multiple sheens
Widely available

Cons:

Limited color range
Requires multiple coats for full coverage

Best For: Exhaust systems, grills, mufflers, and non-cosmetic engine components.

5. Eastwood Ceramic Engine Paint

Eastwood’s ceramic-infused engine paint offers enhanced hardness and chemical resistance. Available in brush-on and spray versions, it delivers a high-gloss, show-car finish.

Key Features:

Withstands up to 650°F
Ceramic formula for extra durability
Available in quart sizes for brush-on use

6. Seymour EN-66 Hi-Tech Engine Paint

Seymour’s engine paints offer a fast-drying, high-gloss solution for those looking to repaint or restore engines on a budget.

Key Features:

Temperature rating up to 350°F
Fast-drying formula
Available in various colors

Pros:

Budget-friendly
Excellent coverage and color selection

Cons:

Not suitable for extremely hot engine parts
Lower temperature resistance

Best For: Quick touch-ups and non-critical engine areas.

7. Krylon High Heat Max

Krylon’s high heat formula is perfect for those seeking an inexpensive way to protect and refresh under-the-hood components.

Key Features:

Heat resistance up to 1,200°F
Semi-gloss finish
Easy-spray nozzle

Pros:

Low-cost
Good for beginners

Cons:

Limited availability
Not as durable as higher-end brands

Best For: Heat shields, valve covers, and DIY projects.

How to Choose the Best High Temp Engine Paint

Here are a few factors to help you choose the right paint for your engine:

1. Temperature Rating

Choose paint based on the hottest part you’ll be coating:

300–500°F: Engine blocks, valve covers
600–1,000°F: Intake manifolds, heads
1,200–2,000°F: Exhaust parts, turbo housings

2. Finish and Color Options

Gloss finishes look sleek but may require a clear coat
Satin or flat finishes are more utilitarian but hide imperfections

3. Application Method

Aerosols: Quick and easy
Brush-on: Ideal for better coverage and control

4. Durability and Resistance

Ensure the paint resists:

Oil, gas, and engine fluids
Chipping or cracking
UV fading

5. Cure Time

Some paints require:

Air curing
Oven curing
Heat cycling with engine operation

Always check the product’s curing instructions for long-term performance.

How to Apply High Temp Engine Paint Properly

Step-by-Step Guide:

Prep the Surface:
- Clean all grease, oil, and dirt
- Sand or blast the surface to remove rust
- Apply degreaser or solvent cleaner
Use Primer (if recommended):
- Especially for bare metal or aluminum surfaces
Apply Thin Coats:
- Shake the can well
- Spray 2–3 thin, even coats
- Allow time between coats (as per instructions)
Cure the Paint:
- Air dry for 24–48 hours
- Some paints require heat cycling—run the engine to full temp, cool down, repeat
Inspect and Touch Up:
- Ensure full coverage
- Touch up any thin spots

10 Frequently Asked Questions

1. What is the best high temp engine paint overall?

VHT SP402 and Dupli-Color DE1613 are top picks for their balance of durability, color variety, and heat resistance.

2. Can I use high temp paint on exhaust headers?

Yes, but only paints rated above 1,200°F, like POR-15 or Rust-Oleum High Heat.

3. Do I need a primer for engine paint?

Some brands recommend it, especially on bare metal. Check your product’s instructions.

4. How long does engine paint last?

When applied properly, high temp engine paint can last 5+ years, even under intense heat.

5. Can I paint directly over rust?

No. Remove all rust and prep the surface before painting to ensure proper adhesion.

6. Is clear coat necessary for engine paint?

Optional. A clear coat can enhance gloss and add an extra layer of protection.

7. Does engine paint help with heat dissipation?

Not significantly. It’s mainly for protection and appearance, not performance.

8. Can I use engine paint on plastic covers?

Only if labeled safe for plastics. Most high temp paints are for metal only.

9. Will high temp paint peel?

It can if not properly cured or applied on a poorly prepped surface.

10. Where can I buy high temp engine paint?

Auto parts stores like AutoZone, O’Reilly, or online retailers like Amazon, Summit Racing, and Eastwood.

Final Thoughts – Which Paint Should You Choose?

If you’re looking for the best high temp engine paint for general use, VHT SP402 or Dupli-Color DE1613 are excellent choices with good heat resistance and color variety.

For extreme heat areas like exhaust manifolds or turbo systems, go with POR-15 High Temp or Rust-Oleum High Heat. And if you’re restoring a show car, Eastwood Ceramic Engine Paint delivers the glossy, professional finish you’ll want to show off.

No matter what you pick, make sure to prep your surface properly, follow instructions carefully, and cure your paint for long-lasting protection and performance.

Best High Temp Engine Paint