Ford Big Block 370-460 1968-1999
Adv. Duration: 282/292
Duration @ .050": 204/214
Lift: .486/.512

Lobe Separation: 112 LC

Includes Lifters: PVT652395, Hyd. Flat Tappet
1500-4000. Fair idle, good low end torque and response.

Ford Big Block 370-460 1968-1999
Adv. Duration: 278/290
Duration @ .050": 218/218
Lift: .470/.470

Lobe Separation: 114 LC

Included Lifters: PVT652395 Hyd. Flat Tappet
2000-4800. Mild idle, Good all around power and torque.