AMSOIL Motor Oil Synthetic Oil

AMSOIL 10W-40 Z-ROD Motor Oil

Elevated ZDDP synthetic for flat-tappet classics with added rust inhibitors for off-season storage.

AMSOIL 10W-40 XL Series Oil

Extended-drain full synthetic 10W-40 for older vehicles and engines prone to oil consumption.

AMSOIL 10W-30 Z-ROD Motor Oil

High-zinc 10W-30 synthetic protecting flat-tappet cams in classic engines during driving and storage.

AMSOIL 10W-30 OE Motor Oil

OEM-spec full synthetic 10W-30 for domestic and import vehicles needing heavier-grade protection.

AMSOIL 10W-30 DOMINATOR Racing Oil

Designed to maximize horsepower, resist viscosity breakdown, and provide wear protection for high-performance engines.

AMSOIL 10W-30 XL Motor Oil

Full synthetic 10W-30 with 10,000-mile drain intervals for older engines and light-duty trucks.

AMSOIL 10W-30 Signature Series Oil

Full Signature Series protection in 10W-30 for older vehicles needing maximum film strength.

AMSOIL 5W-50 Signature Series Oil

Flagship full synthetic 5W-50 with superior shear stability and 25,000-mile drain interval protection.

AMSOIL 5W-40 FS European Series Oil

Full SAPS 5W-40 meeting ACEA A3/B4 and VW 502.00/505.01 for older European performance engines.

AMSOIL 5W-30 LS European Oil

Low-SAPS 5W-30 meeting ACEA C2/C3 for Peugeot, Citroen, and Fiat DPF-equipped gasoline engines.