Tomei Camshaft - PROCAM - Mitsubishi 4G63 Evo 7-8, Exhaust, 290 / 11.5mm Decals & Stickers - 02-05 Honda Civic Si

- 02-05 Honda Civic Si K20A3

Cefiro A31 Turbo

Unlike competitors’ spacers

and the backpressure is the same as the stock intercooler

Tomei Camshaft - PROCAM - Mitsubishi 4G63 Evo 7-8, Exhaust, 290 / 11.5mm Decals & Stickers - 02-05 Honda Civic SiWhen 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