End results?You'll be happy. POLYTRON is 100% safe and compatible with all motor oil, and will not void manufacturers' warranty, but if you are not completely satisfied with POLYTRON product, please send us the original bottle and we will refund 100% your money, guaranteed.**
** Only applicable to 12-oz & 16-oz bottles, 14-oz tube, and 7-oz spray can (one per customer per product). Customers pay return shipping. Original bottle must be returned. Restocking fee of 50% of purchase price applies to all opened products other than listed above (i.e. 4Gal pail and 55Gal drum). Only applicable to personal/end-user purchase and does not apply to bulk sales, wholesale, distributor supply. Please send us an email for further instructions.