the cam specs is :Retro-Fit Hydraulic Roller
duration @0.05'' 241/249
lift 625/625
lobe 110/106
RPM Range: 2600-6600
Hydraulic Roller; Serious Street/Race cam. Needs 10.5:1 compression and 3200 RPM stall converter. Works with moderate nitrous and small
superchargers. Very "Healthy" idle quality.

The Pistons are lunati D shape pistons but its comp. ratio is 7:1 with 119 cc