SBM Roller Lifter Choice

so that's Extreme Energy 1,800-5,800
XR274HR-10 camshaft, Hydraulic Roller Tappet, Advertised Duration 274/282,
Duration at 050 inch Lift:224 int./230 exh. Lift .538/.534, 110 LCA
you say 987-16 FIXED
comp recommends
987-16 valve spring kit and 622-16 retainers with 1.6 rockers or 1.5 rockers
Valve Springs, Dual, 1.430 in. Outside Diameter, 344 lbs./in. Rate,
1.150 in. Coil Bind Height,
what height are you set up at? what retainer?
what are you running?
what's the difference???
are you running roller tip rockers? what rockers? ratio?
if so do you have a B3racingindustries kit - have you read all 4 tech articles on his website?
do you know the grind number of the cam (from the lobe list catalog?)
what oil are you running?

you have the Johnson tappet retrofit kit