BOYESEN RAD Valve S3-Cat-Marine-Hardparts-Grips-PROGRIP Restores original performance

Restores original performance

with a great fit and shaping effect

fully padded and lined

Stretch V-shape and VELCRO® dual-construction closure system with gripper tab

BOYESEN RAD Valve S3-Cat-Marine-Hardparts-Grips-PROGRIP Restores original performanceThe Gulp Factor Your engine is a glutton for air. It will take over 200 'gulps per second, at velocities over 500 MPG if your intake valve will let it. Boyesen's RAD Valve's seamless, one piece, precision casting and continuous aeroform surfaces ensure maximum flow velocities and instant, explosive movement of air particles the moment you turn the throttle. Result: An intake valve the size of your fist delivers air with the power of a tornado. We