Tomei Valve Spring - Nissan A12/A13/A14/A15 Type-B Bonnets & Boots Allows more room to grow

Allows more room to grow with the ability to leverage the potential of larger turbos

HKS has increased the size of the core over stock to increase the air flow over the core

the VOLK RACING TE37 SONIC SL was born

protects and makes the surface hydrophobic

resulting in less heat coming into the car

Tomei Valve Spring - Nissan A12/A13/A14/A15 Type-B Bonnets & Boots Allows more room to growHigh 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