Max effort cam for low comp 318

Yes there is something weird with the listing for that Mopar cam, some other sites have it as 228/235 advertised duration:

*P4452782 0.429"/0.444" Lift, 228/235 Adv. Duration

*P4452757 0.410"/0.425" Lift, 248/256 Adv. Duration

*P4452759 0.430"/0.450" Lift, 260/268 Adv. Duration

*P4452761 0.450"/0.455" Lift, 268/272 Adv. Duration

*P4452992 0.474"/0.474" Lift, 280/280 Adv. Duration

*P4120231 0.484"/0.484" Lift, 284/284 Adv. Duration

*P4120233 0.508"/0.508" Lift, 292/292 Adv. Duration