Automotive High Heat Primer -

Automotive High Heat Primer



Rust-Oleum® High Heat Primer bonds to bare metal and helps create a smooth top coat finish. It is specially formulated to prevent rust and is recommended for use on automotive engines and other metal surfaces which reach intermittent temperatures up to 2000°F (1093°C).

  • Resists heat up to 2000°F
  • Stops Rust formula
  • Any-Angle Spray with Comfort Tip


For maximum protection, top coat with Rust-Oleum® High Heat paint.

How to use

Shake can vigorously for one minute after the mixing ball begins to rattle.

Hold can upright 8-12" from surface and spray in a steady back-and-forth motion, slightly overlapping each stroke. Keep the can in motion while spraying.

 Apply 2 or more light coats a few minutes apart.

Dries to touch in 30 minutes and dries to handle in 1-2 hours.

Items may emit smoke and harmless odor at first.

The average coverage is about 1 square meter

FOR BEST RESULTS Use with Rust-Oleum High Heat Primer Spray.


Bake at 250°F (121°C) for 30 minutes and allow 30 minutes to cool. Bake at 400°F (204°C) for 30 minutes and allow 30 minutes to cool. Bake at 600°F (315°C) for 30 minutes and then allow 30 minutes to cool. Caution: Be sure not to exceed the heat tolerance of the least heat tolerant part.


Run the vehicle at idle for 10 minutes and then allow 20 minutes to cool. Run vehicle at idle for 20 minutes, then let cool for 20 minutes. Run vehicle at normal operating conditions for 30 minutes, then allow vehicle to cool.