V-Series "ST" Motor Oils are formulated using highly refined petroleum base stocks and Torco's race proven MPZ® additive providing better cooling, cleaning, ring seal, deposit control and anti-wear protection. Maintains viscosity and provides thermal stability under high temperature environments. V-Series is specifically formulated for Harley® and custom v-twin engines.
Premium grade petroleum formula
MPZ® frictional loss technology
Prevents oil breakdown at high temperatures
Provides superior ring seal
Excellent wear protection
Extends piston and valvetrain life
Approvals: API SG, JASO-MA Applications: Recommended for use in late model air cooled or liquid cooled engines commonly found in Harley® (Big Twin - Evolution® & Twin Cam 88® engines) and many other custom v-twin applications.
