Excellent start-up protection with the high temperature stability of a synthetic. Provides fuel economy gains compared to heavier conventional oils. Features storage protection additives that guard agains rusht and corrosion during winter storage. Great choice for street rods with crate engines. Compliant with OBDII and can be used in all emissions equipped vehicles. No ZDDP or additives required. Viscosity typical of 10W-30. Formerly referred to as HR4.
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