Tomei Camshaft - PROCAM - Nissan R35 GTR VR38DETT, Intake, 256 / 10.25mm Quick Detailer You can also measure at

You can also measure at the valve tip as below

Direct OE replacement radiator core

you can effectively increase your rear brake size from 239mm up to 260mm

stripped out a bolt

X204 & X195

Tomei Camshaft - PROCAM - Nissan R35 GTR VR38DETT, Intake, 256 / 10.25mm Quick Detailer You can also measure atWhen 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