HR4 10W-30 Synthetic Hot Rod Motor Oil (1 qt. bottle) is the ultimate in street/strip protection and has ZDDP anti-wear additives, storage & start-up protection, high temp high shear stability, & longer oil change intervals.
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 against rust 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.
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 against rust 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.