Castrol North America announced June 4 an agreement in which Castrol GTX High Mileage will become the exclusive motor oil sponsor of Kelley Blue Book's, an online source of automotive information for vehicle owners, buyers and sellers. according to the company, Castrol GTX High Mileage is a premium motor oil specifically engineered to help vehicles with more than 75,000 miles reduce oil burn-off, engine wear and deposit formation. As part of the agreement, Castrol says it will provide content for's Tools, Tips and Advice department, co-sponsor an online sweepstakes and include in Castrol's racing and product e-mail promotions. Additionally, banner ads for Castrol GTX High Mileage will be featured on "Our partnership with Kelley Blue Book takes Castrol's online marketing efforts for Castrol GTX High Mileage to a new level of sophistication and effectiveness on a site that delivers the core customer for our new motor oil," said Bruce Firkins, vice president of consumer marketing for Castrol North America. "With this comprehensive sponsorship, we are supporting banner advertising with integrated content to demonstrate Castrol's expertise in high-mileage engine maintenance." "Vehicle owners, buyers and sellers rely on because it offers independent information of real value to those in the marketplace for cars," said Stephen Henson, vice president of Marketing and Business Development, Kelley Blue Book. "We believe the additional services provided through partnerships with leading brands, such as Castrol GTX High Mileage, add to the value of our site's information." The one-year partnership launches with banner advertising and sponsorship of the Tools, Tips & Advice sponsorship in June. About Kelley Blue Book

Based in Irvine, Calif., Kelley Blue Book is a resource for car-buying research and information. The company is currently celebrating its 75th anniversary. Its website,, is the number one automotive information site in the nation, according to Nielson//NetRatings. About Castrol North America

Castrol markets automotive product brands such as Castrol GTX, Castrol Syntec and Castrol Super Clean. Castrol North America markets its lubricants and services to lube operators, automotive service providers and select retailers in North America. Castrol offers retailer and installer support under one united global brand. Call 1-888-CASTROL or visit for more information. Castrol North America encourages consumers to properly dispose of used motor oil. For oil recycling information, please visit