This is what I’m expecting you’ll find stamped on top. Stock replacement forging.
L2405F .030 OVER TRW FORGED PISTON SINGLE 360 CHRYSLER | eBay
As far as camshaft goes, measure the lift with a dial indicator from the top of the lifter without the pushrod in place and report back. Keep in mind that the lobe arrangement front to rear is Exh. Exh. Int. Int. Int. Int. Exh. Exh. Exh. Exh. Int. Int. Int. Int. Exh. Exh. when positioning the indicator.