KLONDIKE SAE 10W-40 API SP Engine Oil is an API SP certified premium quality multi-grade motor oil designed for maximum engine protection and exceptional fuel economy even under extreme driving conditions. Technologically advanced additive system reduces friction and wear at start-up, and protects your engine against performance robbing sludge and varnish deposits.KLONDIKE SAE 10W-40 API SP Engine Oil uses a specialized formula for older, high mileage engines, which delivers outstanding antiwear performance and helps reduce oil consumption and leakage.KLONDIKE SAE 10W-40 SN PLUS Engine Oil is recommended for use in passenger cars, light trucks, sport utility vehicles, and other stationary or mobile engines. It meets or exceeds warranty requirements for all engines specifying SAE 10W-40 grade and API SP Service Category.