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August 2026

Proven Powersports Performance

  We are constantly testing a variety of ATVs, UTVs, motorcycles and snowmobiles on the track and in our

Ken Bruner Raises the Bar Again with a 3,000‑HP Deck‑Plated Cummins

  In the world of elite diesel performance, a group of elite builders consistently redefine what’s possible. Ken

AMSOIL Protects Overheating Formula Drift Engine

  “Rad Dan” Burkett feels the most alive when he’s sliding sideways. The Team AMSOIL Formula Drift Pro

Dissecting the Transfer Case

  Whether navigating snow-covered roads or tackling rugged trails, four-wheel-drive (4WD) and all-wheel-drive (AWD) vehicles rely on a

A Decade of AMSOIL Ultimate Callout Challenge

  Celebrating its 10th anniversary in 2026, the AMSOIL Ultimate Callout Challenge (UCC) is a cornerstone of the

The Art and Science of Engine Break-In

  The fundamental goal is to seat new piston rings against a fresh cylinder wall to create a