CHAMPION "20% ALL CASTOR" Contains 20% total Castor Oil. Runs good in ball bearing glow engines with ABC, AAC, ABCR, and RINGED pistons. Also a good break-in fuel for any new 4-cycle glow engine. The extra castor oil helps dissipate heat, allowing the engine to run cooler during this critical time when the internal parts are seating together.

CHAMPION "25% ALL CASTOR" Contains 25% total Castor Oil. Excellent for engines with a bushed main bearing and a lapped piston (like the classic Fox 35 Stunt C/L engine). The additional castor oil delivers the best performance in this type of engine. Also a good break-in fuel for any new 2-cycle glow engine. The extra castor oil helps dissipate heat, allowing the engine to run cooler during this critical time when the internal parts are seating together.

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