Workshop

Best Lubricant for Spark Plugs & Exhaust Bolts

Looking for the right lubricant for your spark plugs & exhaust bolts? We compared 1 option for this use case — including common searches like exhaust bolt, manifold bolt, header bolt, exhaust stud. Here's what works and what to avoid.

Permatex Anti-Seize Lubricant

Specialty Base: Aluminum/Copper Viscosity: Paste Form: Brush-Top Jar

Prevents galling and seizing from heat, corrosion, or dissimilar metal contact.

Best for Exhaust bolts, spark plugs, brake caliper bolts, outdoor hardware threads, dissimilar metals
Avoid Not a motion lubricant — assembly compound only. Can be messy.
For this use Thin coat on threads before installation. Prevents seizing from heat cycles.
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$ USA Manufacturer ↗

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