Are They Magnum Heads????

RPMLegends18 OT question but how do you tell so easy if its a flat tappet cam in that picture, by the way the lifters are?

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You can see the where the lifters touch the cam-no roller ,Also roller cam lifters would have a link conecting each cylinders lifters so they don't turn keeping the roller going the right direction on the face of each cam lobe . :read2: