Stage 1: single-cam motor. Excellent midrange and top-end power increase. Uses stock valve springs and rockers.

Intake Intake lift (mm): 6.22 Intake lobe center (degrees): 110 Intake duration (degrees at 1mm): 220.5 Intake valve lash (mm): .08 Exhaust Exhaust lift (mm): 6.05 Exhaust lobe center (degrees): 98 Exhaust duration (degrees at 1mm): 212 Exhaust valve lash (mm): .11 Note: Divide mm values by 25.4 for inches.