billet

Hi everybody. im running 5EFHE cams in my 5EFTE. now im thinking of going for the speedvision billet cams. The specs are as follows: Duration: 265 degree intake / 265 degree exhaust. Lift: 8.7mm intake / 8.7mm exhaust. Whereas in the 5EFHE the intake is 240 compared to 224 in the...