V FORCE 4R REED BLOCK GASGAS MC85 21-ON HUSQVARNA TC85 14-ON KTM 85SX 03-ON 105SX 04-11 allowing for tighter tolerances and

allowing for tighter tolerances and better performance

This easy do it yourself tool gives you new traction for every ride

Wider reed cage for maximum airflow

Thread diameter 30mm

Rtech filters are designed to increase airflow while ensuring the highest level of protection from dirt / dust

V FORCE 4R REED BLOCK GASGAS MC85 21-ON HUSQVARNA TC85 14-ON KTM 85SX 03-ON 105SX 04-11 allowing for tighter tolerances andThe VForce4 is built upon the solid foundation that made the VForce3 reed valve system such a success for over fifteen years. While the VForce3 has been continually refined over the years (including the latest VForce3R models), this is a complete redesign of the entire system. We jokingly say, "The only thing we didn't change is the bolt pattern." However this is actually quite true. All the components that go into making a VForce reed valve system