Top Tier Detergent Gasoline
Costco is certified as a top-tiered gasoline retailer. As our valued member, you expect the finest quality products at the best possible prices. And gasoline is no exception. Kirkland Signature Gasoline at Costco provides five times the EPA detergent requirement in both regular and premium unleaded grades. Cleaning your engine improves performance, restores fuel economy, and reduces emissions caused by dirty engines, while protecting fuel injectors and intake valves. Kirkland Signature Gasoline is available now. Learn more at costco.com and search gasoline.