10 Best Oil Additive of December 2025

• Prevents camshaft wear
• Reduces piston scuffing
• Increases engine life
• Makes newer oils work in older engines

Hy-per Lube by Rislone

• Restores cylinder compression
• Restores horsepower
• Restores engine performance
• Reduces oil consumption

Restore

• Cleans injectors, carb jets and passageways
• Cleans and lubricates intake valves, pistons and cylinders
• Dissolves and cleans fuel residue in fuel systems
• Dissolves oil deposits in crankcase
• Clean timing chain tensioners and VVT actuators, quiet noisy lifters
• 100 percent pure petroleum
• EPA registered product
• Liquefies gum and varnish deposits or internal engine contaminants
• Special Shipping Information: This item cannot be returned and has additional shipping restrictions
• Special Shipping Information: This item cannot be returned and has additional shipping restrictions

Sea Foam

• Works with all brands of synthetic and petroleum-based oils. Including full synthetic, semi- synthetic, conventional, and mineral. Gas or Diesel engines.
• Recommended to be used in all automobile, truck, lawn, marine, agriculture and heavy-duty equipment.
• Increases horsepower, lowers operating temperatures and reduces engine noise and vibration in all engines.
• USAGE: Use 2 ounces per quart of oil in crankcases, 3 ounces for heavy duty and towing applications. Transmissions (Automatic or Manual) Use 1 ounce per quart of transmission fluid. Differentials use 1 ounce per quart of differential fluid. Power steering systems use 1 ounce per quart of fluid. Hydraulic fluid 1 ounce per 2.5 gallons of hydraulic fluid. Motorcycles 1 ounce per quart of fluid max. Lasts multiple fluid changes but maybe used more frequently for best results.
• Will not wash away with water.

Motorkote

• Fit Type: Universal
• Use With Synthetic And Non-Synthetic Oils
• Through Creativity, Productivity And Innovation - This Brand Continues To Develop The Finest Automotive Accessories
• Country of origin : China

LUCAS

• Motor oil additive - Liqui Moly MoS2 anti-friction (300 ml. Can)
• Forms High load-bearing film of lubricant on all friction surfaces
• You will be surprised at how much better your engine sounds and how controlled it will be even at very high RPM

Liqui Moly

• 16oz AR9100 Friction Modifier - treats one Power Stroke
• Fixes 6.0L and 7.3L Power Stroke cold start injector problems
• Reduces wear and extends component life
• Reduces engine noise, vibration and heat
• For all diesel and gasoline engines, gearboxes, hydraulics, differentials and power steering systems

Archoil

• The product is 32oz hd oil stabilizer
• Easy to use, increases power and miles per gallon
• Made in USA, increase oil life at least 50 percent longer

LUCAS

• Two 4 fl. oz. bottles of REV X High Performance Oil Additive in our stiction fix retail box. Will treat up to 12 quarts of oil.
• Quiets engine noise while cleaning harmful deposits, varnish and sludge in all engines. Reduces friction by creating a microscopic friction reduction layer on all treated components to reach areas standard oils can not.
• Removes stiction, common in HEUI Injectors, without using harmful and dangerous chemical strippers.
• Extends the service life of all synthetic, semi-synthetic, and mineral based oils providing a reduction of wear of all treated engine components.
• Greatly improves or eliminates cold start issues in all diesel engines.

REV X

• Mixable with all commercially available motor oils
• Stable even under high thermal and dynamic permanent loads
• No deposits and absolutely compatible with all commonly used filter systems
• Resists extremely high and low temperatures

Liqui Moly