Johnson USA High Performance Tie-Bar Lifters VT-VZ the Turbosmart replacement kit is

the Turbosmart replacement kit is mechanically controlled by manifold pressure

64mm or 67mm - See Pictures

The M177 Polymer Carbon Fiber High Flow Intake is a game changer for intake technology on the C63 and GLC63 platforms

The Timing Retard function can be used by itself or while the Launch Control RPM limit function is active

Hardlines have a clean proffesional look and can be bent tightly to stay close to the intake

Johnson USA High Performance Tie-Bar Lifters VT-VZ the Turbosmart replacement kit isHydraulic Roller Lifters Cold forged steel body heat treated for exceptional wear resistance. Precision ground needle roller bearing with high chromium steel axle for long life and minimal friction. Cold forged extra long piston, precision ground and fitted for controlled leak down and pump up. High flow, quick reacting, disc style check valve for better reaction at higher RPM. Precision oil metering assuring proper oiling to the rocker arms without