Tomei Camshaft - PROCAM - Nissan Silvia (R)PS13 SR20DE(T), Intake, 270 / 12.5mm Shifter Assemblies it features a 4-2-1 design

it features a 4-2-1 design

Works with HR Idler Bracket & Pulley Kit

boost and fuel

Replace proactively around 100

Tomei Camshaft - PROCAM - Nissan Silvia (R)PS13 SR20DE(T), Intake, 270 / 12.5mm Shifter Assemblies it features a 4-2-1 designWhen 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