$6.99 per bottle, qty discount in effect. http://www.eastwood.com/eastwood-s-...&utm_campaign=1EM0576+4-6-2011+ZDDP+3+Special
Advance had a line of zddp on sale. Priced at $8 a quart marked down from $11. Made by Rislone o No: http://shop.advanceautoparts.com/we...-Treatment-Rislone_7660002-P_N2049_T|GRP60033____
I saw that at my local Advance Auto. They wanted $13.00 for a bottle. Instead I found a local dealer of Brad Penn oil and bought that at $5.50 a QT.