AMSOIL Synthetic Oil in Clayton, WA | High Country Synthetics

HAUL MORE. WORRY LESS.

Maximum protection for trucks that never quit

SHOP TRUCK OILS

FIND YOUR PRODUCTS

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Auto/LT

Motorcycle

ATV

UTV

PWC

THREE TIERS OF PREMIUM PERFORMANCE

Select your vehicle type to view only the AMSOIL products that work for it.

SIGNATURE SERIES
100% SYNTHETIC MOTOR OIL

Maximum Engine Protection

Up to 25,000 miles or 1-year*

EXTENDED-LIFE
100% SYNTHETIC MOTOR OIL

Boosted Engine Protection

Up to 20,000 miles or 1-year*

OE 100%
SYNTHETIC MOTOR OIL

Advanced Engine Protection

OEM-recommended drain interval

* Whichever comes first. In normal service.

WE HAVE THE RIGHT PRODUCT FOR ALL OF YOUR PROJECTS.

Browse the full line of premium AMSOIL products inthe latest AMSOIL factory direct catalog.

Full Service Dealer

High Country Synthetics

4489 Gardenspot Road
Clayton, WA 99110

(208) 691-4121

As an Independent AMSOIL Dealer, we are proud to provide our community with the world’s finest synthetic lubricants and filtration systems. From heavy-duty commercial fleets and daily commuters to high-performance powersports and marine equipment, we help you find the exact protection your engines need to run cleaner, cooler, and longer. We specialize in matching you with premium AMSOIL products that maximize efficiency and reduce maintenance costs. Whether you are looking to place a retail order, register as a Preferred Customer for deep discounts, or open a commercial account for your business, we are here to provide expert local guidance and factory-direct shipping straight to your door.