Tomei Valve Spring - 4B11/G4Kf one_imagesimple3 Viscosity Grade: 10W-40 (SAE)

Viscosity Grade: 10W-40 (SAE)

improving reliability and performance

The reflective heat sheet offers considerable weight savings over similar types of materials yet still reflects 80 percent of radiant heat

deep cone type for Sierra

Despite being a fairly robust motor

Tomei Valve Spring - 4B11/G4Kf one_imagesimple3 Viscosity Grade: 10W-40 (SAE)High quality designed springs is required to transfer the exact movement of the camshaft to the valves at high engine speeds on high performance engines. The TOMEI products are always engineered with precision, Intake, mind to suit the users needs. So with this, Intake, mind careful choices, Intake, material selection is made with surface coating and other technologies. Then the pre production products are put through an extensive testing program for