Golden 4 is a premium synthetic / petroleum blend motor oil that incorporates the very latest additive technology and is then further fortified with additional anti-wear, anti-shear, anti-rust and anti-foam additives. All this results in smooth shifting and reduced wear in motorcycle engines with transmissions that share the engine lubricant.

Spectro Golden 4 is a blend of the highest quality petroleum based oils and complex Group IV PAO synthetics made with Spectra-Syn technology that achieves the best characteristics of both compounds.