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Sierra Carbon-Free Aerosol Additive, 12 oz.

Item # 81611
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Additional Information:
  • This item must ship ground only.
  • Additional discounts do not apply.


  • Carbon-free cleaner

  • Removes gum, varnish, and carbon deposits

  • For intake ports, valves, pistons, and more

  • Helps maintain 2 and 4-cycle engines

Product Summary 

Specially designed to improve engine performance and efficiency, this carbon-free aerosol thoroughly removes gum, varnish, and carbon deposits. Cleaner works great on intake ports, valves, pistons, and combustion chambers to free sticky rings. Designed for regular maintenance of 2 and 4-cycle engines.