Tomei Camshaft - PROCAM - Nissan RB25DE(T)/RB20DE(T) Solid, Exhaust, 270 / 9.25mm Oil Filters The characteristics of 57XR are

The characteristics of 57XR are sharp spokes and the appearance that looks larger thanks to the spokes fully stretching to the rim ends

It is a direct replacement for the OE hose

then finally

4kgf/mm for the rear springs (with normal rate of F/2

the Bilstein B8 delivers increased performance when demands are high

Tomei Camshaft - PROCAM - Nissan RB25DE(T)/RB20DE(T) Solid, Exhaust, 270 / 9.25mm Oil Filters The characteristics of 57XR areWhen opening the intake valve during high acceleration the G from the camshaft requires to send as much mixture to the cylinder, Intake, the shortest time possible. However if the speed is too high it can damaged the Valves, Valve Seats and Valve Springs if the Acceleration G is too high. The Asymmetrical profile design given to the camshafts will allow the Intake and Exhaust Valves to fulfill the target requirement with the wider duration and high