SILKOLENE PRO 4 PLUS uses 100% synthetic ester technology to provide increased power, optimum engine protection, ultimate performance and reliability to four stroke motorcycle engines even under racing conditions. Specially researched synthetic esters provide exceptional film strength and outstanding surface protection from start-up to maximum output in all ambient conditions.

Test bed and extensive racing experience in Superbike, Supersport and Superstock racing show significant increase in power output along with, outstanding reliability. Advanced synthetic esters provide exceptional film strength and outstanding surface protection, reducing wear of pistons, bores, cam lobes, followers and bearings across the entire rev range and power band.