HP rating.......Nitrous/Fuel (Fuel Pressure @ 43 PSI)
40 ................34/18
50 ................37/22
60 ................39/24
70 ................41/26
80 ................43/28
100 ...............46/30
125 ...............53/33
150 ...............61/38

Carburated Single plate system jet combos for NOS Top Shot, Powershot/Sniper, Cheater Systems:

HP rating.............................N/F (fuel pressure flowing @ 5.5-6 PSI)
50......................................37/42
75......................................42/47
100....................................47/53
125....................................55/61
150....................................63/71
175....................................73/82

These jet combinations are directly from Holley

I called holley and had them fax me jet combinations... If you want any other type of jet combination, let me know. I will post them.

Big Shot Single Stage
HP rating............................N/F
175..................................73/82
225..................................82/91
275..................................93/102
325..................................102/110
350+................................120/116

Big Shot 5.0 plate system (86-93) Kit part numbers 02115, 02116, 02117
150..................38/24
200..................45/30
250..................55/32