This BMC 540 Burris Four Cycle Slider Mount is an American - made product. It requires a Burris Adaptor Plate for a specific engine. The mount features an American rail frame width and comes with clamps. It fits tubing sizes from 1 1/8 inches to 1 1/4 inches (28mm to 32mm). It's an angled slider mount only. The difference between International and American rails lies in the center - to - center distance between the two engine rails. International rails measure 3 5/8 inches, while American rails measure 3 inches. Note that almost all race karts are International, regardless of their manufacturing location, even if it's in the US. This mount is a reliable choice for your engine setup.

Using this BMC 540 Burris Four Cycle Slider Mount is easy. First, make sure you have the Burris Adaptor Plate for your specific engine. Attach the mount to your engine using the included clamps. The mount fits tubing sizes from 1 1/8 inches to 1 1/4 inches, so choose the right size for your setup. When it comes to maintenance, regularly check the clamps for tightness to ensure a secure fit. Also, keep the mount clean to prevent any dirt or debris from affecting its performance. Remember, there's a difference between International and American rails. If you're unsure which one your kart has, measure the center - to - center distance between the engine rails. International rails are 3 5/8 inches apart, and American rails are 3 inches apart.