XCP Rust Blocker: Rated 5 STARS by MCN. XCP RUST BLOCKER is a powerful rust prevention spray. It creates a soft, long lasting protective barrier to protect any steel, metal or alloy surface against the effects of rust and corrosion. Beats ACF-50 / Market Leader*!

Use it on exposed metal surfaces, including engine components, suspension units, undercarriage, box sections, chrome, chains, electrical connections, motors, shafts, spindles, as well as tools and equipment for shipping and storage, and many more! Provides excellent aluminium protection against galvanic corrosion.