You can use different brands lifters/cam. Anyone remember Rhodes lifters? They were supposed to "bleed down" at low rpm to mellow out a larger hydraulic cam. I used them on a 292/509 purple shaft cam with not issue at all.
70 Roadrunner convt. street car
440+6, NOS, 4-spd, SS springs
'96 Mustang GT convt. street car
'04 4.6 SOHC, NOS, auto, lowered
"Officer, that button is for short on-ramps"