But with rollers you can go with a much faster ramp ratio.
Go with the HUGE wheel rollers and even faster ramp ratio. A 0.904" slider lifter cam can only be so fast ratio before the lifter edge digs into the cams lobe.
This is where 'Mushroom' lifters were made for.
Fast ramp Roller cam spec's with the required NHRA Class Flat Tappet Slider lifter.
