Tomei Camshaft - PROCAM - Nissan Silvia (R)PS13 S14 S15 SR20DE(T) Solid, 280 / 12.5mm Powerflex Standard valves crack with age

Standard valves crack with age and heat cycling and rely on rubber diaphragms that perish

we focused on "suppressing twisting at the body end" that occurs during cornering and "achieving both comfort and quality required for street use"

it supports QC3

These kits also come with an anodised finish

Tomei Camshaft - PROCAM - Nissan Silvia (R)PS13 S14 S15 SR20DE(T) Solid, 280 / 12.5mm Powerflex Standard valves crack with ageWhen 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