Shop Now - AMSOIL

Shop Now - AMSOIL

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Race Ready Oil

Briggs & Stratton Synthetic 4T Racing Oil delivers unmatched engine protection at high RPMs.

4T Racing Oil - 25% Discount - Buy Now

Gallery

See our racing oil in action on the track

Close-up of a go-kart engine gleaming after using synthetic 4T racing oil

Close-up of a go-kart engine gleaming after using synthetic 4T racing oil

Go-kart racer speeding on a sunny track, showcasing high-performance engine

Go-kart racer speeding on a sunny track, showcasing high-performance engine

Bottles of Briggs & Stratton synthetic 4T racing oil lined up on a workbench

Bottles of Briggs & Stratton synthetic 4T racing oil lined up on a workbench

Mechanic pouring synthetic racing oil into a small engine with precision

Mechanic pouring synthetic racing oil into a small engine with precision

Close-up of engine parts protected and shining after using premium racing oil

Close-up of engine parts protected and shining after using premium racing oil

Key Benefits

Protect your engine with racing-grade synthetic oil designed for extreme conditions.

Superior Protection

Close-up of a small engine piston coated with synthetic oil under high RPM.

Close-up of a small engine piston coated with synthetic oil under high RPM.

Reduces wear and tear even during intense racing sessions.

Go-kart racer speeding on a track with engine visible and oil branding.

Go-kart racer speeding on a track with engine visible and oil branding.

Bottle of Briggs & Stratton Synthetic 4T Racing Oil with racing flags in background.

Bottle of Briggs & Stratton Synthetic 4T Racing Oil with racing flags in background.

High-Temp Stability

Maintains viscosity and performance under extreme heat and RPM.

Extends engine life by preventing breakdowns and deposits.

Engine Longevity

Reviews

Hear from racers who trust our oil.

This oil kept my kart running smooth even after hours on the track. No overheating, just pure performance.

Jake M.

Austin TX

I’ve tried many oils, but this synthetic formula really extends engine life and handles high RPMs without breaking down.

Lena K.

Denver CO

★★★★★

★★★★★

FAQs

What is this?

Briggs & Stratton Synthetic 4T Racing Oil by Amsoil is premium engine oil.

Who should use it?

Ideal for go-kart racers, small engine enthusiasts, and anyone needing high RPM protection.

How does it protect engines?

It offers superior wear protection and maintains performance under extreme heat and stress.

Is it compatible with my engine?

Compatible with most small 4-stroke engines used in racing and performance applications.

How fast is shipping?

We offer fast shipping to get your oil to you quickly and ready for your next race.

What if I’m not satisfied?

We provide a satisfaction guarantee with secure checkout and easy returns if needed.