KOSO NORTH AMERICA Valve Head Kit - Big Bore - Grom SEE TECH MB623003 Corsair-X Kiyonari Helmet Tensile strength: 9300 lbs

Tensile strength: 9300 lbs

The stock upper shock mount will not allow you to do

Temperature range: 149°F to 248°F (EU: 65 to 120 °C)

Prechargers are designed to custom fit the filters listed (find filter number in application charts) or choose universal sizes as listed

Mount kit included

KOSO NORTH AMERICA Valve Head Kit - Big Bore - Grom SEE TECH MB623003 Corsair-X Kiyonari Helmet Tensile strength: 9300 lbsIdeal engine part to complete Koso's big bore kit Unique four valve design increases air flow and performance Provides more power and torque Features a forged piston, stainless steel 24 mm intake valves and 20 mm exhaust valves