Air Filter: Oil-Free, Pro DRY S 3-Layer Progressive Porosity Synthetic Media for maximum convenience, 100% Polyurethane Frame On All Sides For Extra Long Filter Life, Washable and Reusable for Multiple Cleaning Cycles, Progressive Bump Seal Design for a Perfect Fit, Filter is Wrapped in Reinforced Metal Providing Maximum Strength to Prevent Filter Collapse. Fuel Filter: High flow rates and outstanding filtration, Direct stock replacement for easy installation. Oil Filter: High flow rates and outstanding filtration, Easy off 3/8" ratchet drive boss. Diesel Fuel Booster: 10 Ounce Bottle, Extreme Concentrate (Treats 100 Gallons), Cetane Maximizer, Lubricates High Pressure Pump & Injectors, Long Term Fuel Stability, Inhibits Corrosion, Improves Flow in Extreme Temperature, Alcohol Free. Pro DRY S Filter Cleaner: 12 Ounce Spray Bottle for Pro DRY S Air Filter