Tomei Camshaft - PROCAM - Toyota 4AG 4Valve, Exhaust, 288 / 10.0mm Brake Fluid The N1 back box was

The N1 back box was developed by Spoon for use on the track

Eliminates EGR Hi-Grade

low-profile washers and flush-mounted

��significantly reducing the chances of ring gear separation and friction surface warp

Tomei Camshaft - PROCAM - Toyota 4AG 4Valve, Exhaust, 288 / 10.0mm Brake Fluid The N1 back box wasWhen 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