Welcome to Goldenmotorguard.com

At 1,800 parts per million, Motor-Guard has more than two times as much ZDDP as most available oils!
(Not for use with catalytic-equipped vehicles.)

Spectro Motor-Guard Petroleum Lubricant is available in SAE 30, 10w40 and 20w50 viscosity, and contains superior anti-wear zinc and phosphorus additive packages for exceptional levels of protection, especially important in the high stress conditions of racing.

Spectro Golden Motor-Guard Semi-Synthetic High Performance Engine Lubricant combines our finest grade mineral oils with Group IV PAOs to provide higher shear stability and exceptional durability. This product also provides phosphorus, and is offered in viscosity of 10w40, and 20w50.

About Spectro

Spectro products span the full range of full-synthetic, semi-synthetic and petroleum lubricants. Spectro first entered the “Powersports” industry in 1966. Since then, they have become the favored brand of serious powersports enthusiasts everywhere. Spectro now brings their decades of knowledge and experience to the automotive market. Their Motor-Guard and Golden Motor-Guard products have been specially formulated for unique needs such as vintage engines and many racing applications. The Spectro line also includes a wide range of suspension fluids, fork oils, brake fluids, coolant, chain lubes/waxes, filter cleaners and oils, and protection/appearance products. Spectro Motor-Guard products are sold exclusively through certified Spectro retailers in the United States, as well as through the Internet.