RALLIART INC. (President: Masao Taguchi) releases "Reinforced Cylinder Head Bolt Set" for 4G63 turbo charged engine, which will be on sale date 12-July 2004.

This bolt is developed especially for high-power and high-torque engine used in competitions. It was used by Ralliart in its motor sport activities inside and outside Japan and improved through the actual competition fields. Tight connection between cylinder head, head gasket and cylinder block achieved by these reinforced bolts can make the sealing more dependable. As a result, durability and reliability of engine itself is enhanced even when it is used in severe conditions.

The bolt is made of special molybdenum steel which is used by Mitsubishi WRC works team in real racing and proved to be efficient. It's Rockwell Hardness(C scale) is as high as 35 to 40 and the tensile strength is increased by approx. 30% in comparison with that of the standard head bolts.