GREAT DEAL ON CASTRO 5W40 RS 4T OIL on Amazon Nov 27, 2019 18:34:10 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by frankbrown on Nov 27, 2019 18:34:10 GMT -5 6 qts Castrol 5w40 RS 4T oil shipped to your door for $43.40. Check the coupon box below the $50 price and check free shipping.Here's a link: www.amazon.com/Castrol-Power1-Synthetic-Motorcycle-Bottle/dp/B008MISDII/ref=sr_1_6?crid=35TOT3QJ84NCK&keywords=castrol+5w40&qid=1574897097&sprefix=castrol+5%2Caps%2C165&sr=8-6