Koso Cam Chain Tensioner


Koso Cam Chain Tensioner
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.
*Fits 2014 to 2020 Honda Grom
Want to unleash all the power your Honda GROM® can handle? Our 170cc Big Bore Cylinder kit for Honda GROM® is the perfect addition for you ! The kit includes a ceramic coated cylinder, 61 mm forged piston, rings, pin, gasket kit and banjo bolts. Its compression ratio of 11.5 to 1 will allow you to still use premium pump gas and keep the reliability of a stock motor. Made from the best components available on the market, our 170cc GROM® big bore cylinder kit will amaze you!
Cylinder displacement 169.2 cc
Cylinder material Aluminum / Ceramic coated
Piston size 61 mm
Piston type Forged
Compression ratio 11.5:1
This product is legal for closed-course competition use only; for racing vehicles (a competition vehicle not used on public highways). Intended for off-road use or race purposes; may not meet regulations of pollution controlled roads or highways. Not legal for vehicles registered and use in California.
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.