Made from resistant high quality material, our Koso chain tensioner could save your engine from expensive damage. We came up with this long lasting solution to replace the OEM chain tensioner which has a tendency to wear prematurely.

* The arm is made by Aluminum 6061, and the wheel is made by JIS SCM415 (=SAE 4115) Alloy Structure Steel (Chromium Molybdenum Steel).

* Works on stock engine and highly recommended to use with our Big Bore & 4V Head kit.

* Fits 2014 to 2017 engines.

WARNING

THIS IS AN AFTERMARKET PART BUILT FOR RACING PURPOSES ONLY. KOSO IS NOT RESPONSIBLE FOR ANY DAMAGES CAUSED TO THE PARTS, VEHICLE, OR TO YOURSELF AND OTHERS.  ENGINE PARTS ARE NOT UNDER WARRANTY NOR IS COLLATERAL DAMAGE OR COST OF LABOR, IN CASES OF MALFUNCTION.