Does anyone Know if I can put a Crower Stage 2 Cam on my stock valvetrain for my 420A engine. The specs for the Cams are as follows:

Or would stage 1 be better to not ruin the stock valvetrain

Description Advertised Duration Gross
Duration @ .050" Lift w/1.75

Stock Factory O.E.M. Cam specs (Eclipse non-Turbo 420A) 219 / 221 166 / 172 .273 / .323


Stage 1 - works with stock valve springs. Daily driver. Idle to 6700 rpm 230 / 231 176 / 182 .293 / .340


Stage 2 - Agressive street use or nitrous. Idle 1000 to 7000+ 240 /240 192 / 192 .310 / .355