Are these cams between the crower 404 and 405a?
B18A/B18B/B20B/B20Z - Regrind or Steel CNC Billet
L21 → 262 duration 10.4mm lift. Strong NA, Wild FI (Available for order in regrind)
62403 Stage 2 - Street/Strip package. MOST POPULAR profile. Requires 84162 kit. 1000 to 8000+ rpm (15-18 hp). 243 / 246 211 / 210 .423 / .409
62404 Stage 3 - 3/4 Race, recommended for mostly strip. Requires 84162 kit and ECU mod. 1100 to 8200+ rpm, lope at idle. Springs required. (18-21 hp). 249 / 251 216 / 218 .446 / .432
62405A Stage 3 - Full race, all-out, all-motor drag profile. Not for the inexperienced tuner. Requires 84162 kit. 1200 to 8500+ rpm. 280 / 274 230 / 222 .476 / .467
62405 Stage 3 - Full race. Cylinder head, rocker and valve train modifications and machine work required. Titanium valves recommended. 1300-9000+ rpm. (22+ hp) 287 / 287 252 / 252 .502 / .502