Greetings! Thank you for visiting our John's Synthetic Lubes website. Leah and I are AMSOIL Direct Jobbers. We are located in northeast Iowa and the Cedar Valley area. We are full-service dealers stocking a large inventory of AMSOIL products for immediate delivery. We have a store front in Hudson, Iowa, that we open by appointment. We also delivery in the Cedar Valley and surrounding area on qualifying orders. We also provide oil analysis services at our store or onsite. Leah and I have been AMSOIL dealers since 2006 (20 years). We have a lot of knowledge of the AMSOIL products and can help you with finding the correct products for your application(s). We also have several retail accounts set up in the Cedar Valley and can direct you to one of them for sales and service. We look forward to being your supporting AMSOIL dealers. Call or text today for application questions, or to schedule an appointment for product pick up.