Tomei Camshaft - PROCAM - Nissan RB25DE(T)/RB20DE(T), Exhaust, 256 / 8.5mm 53540-S04-0135 Replace worn plastic with Delrin

Replace worn plastic with Delrin & machined aluminum

Mount rubber stiffness increased by 25% compared to stock

A direct-fit unit which completely replaces the restrictive and inefficient factory setup

We have pursued the performance and strength to perform accurate clutch work under any conditions by using bearing material that is resistant to high rotation

Tomei Camshaft - PROCAM - Nissan RB25DE(T)/RB20DE(T), Exhaust, 256 / 8.5mm 53540-S04-0135 Replace worn plastic with DelrinWhen 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