or big bore motors and typically requires no fuel changes

just certain models

Go all out with max performance on race day

⚠️ Important Fitment Notice

If you should need more adjustment

Reed Cages Category_Default Category/SLED/Polaris/IQ 600/Clutching or big bore motors andVF V3122R 873M 2 SkiDoo 800 & 850na VF 3132R 873F 2 Polaris 600 800 850na The VForce reed valve system by Moto Tassinari has been the reed valve system of choice by anyone serious about two stroke engine performance for the last 10+ years. The simple premise of the VForce3 reed valve system is to increase engine power and throttle response by increasing the efficiency over a conventional reed valve design. The unique design of the VForce reed valve