SynShield Classic Performance 10W-30 | 12-QC

Not every engine needs a full synthetic — but every engine deserves more than conventional oil.

Schaeffer's 4030 SynShield® Classic Performance is a synthetic plus 10W-30 that bridges that gap: more protection and longer drain capability than conventional oil, without the full synthetic price premium, and specifically suited for older vehicles and high-mileage engines not calling for a full synthetic.

Its advanced formulation combines select synthetic plus base fluids, a highly shear-stable viscosity index improver, and two proprietary friction modifiers — Micron Moly® and Penetro® — for sustained protection from cold start through high-temperature operation. 

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