Meets or exceeds manufacturers' specifications - will not void engine warranty NMMA approved. Meets or exceeds their stringent TC-W3 requirements. Exceeds performance specifications for FICHT, Optimax and HPDI engines. Contains PIB viscosity modifier to greatly improve lubricity and to reduce smoking. High-detergent formula removes deposits from fuel delivery system. Ashless formula minimises piston ring sticking and protects against preignition problems. Environmentally friendly, reduces emissions. Engineered for operation under extreme conditions. For use in oil injection, 2 cycle and pre-mix engines. Super premium additive package makes this oil one of the cleanest burning, smoothest running, best lubricating TC-W3 oils you can buy!