Pontiac V8Adv. Duration: 268/280Duration @ .050": 224/230Lift: .477/.480
Lobe Separation: 110 LCIncludes Lifters: No1600-5800. Great for street machine, 2000+ stall.
Pontiac V8Adv. Duration: 274/286Duration @ .050": 230/236Lift: .488/.491
Lobe Separation: 110 LCIncludes Lifters: No1800-6000. Very strong mid-range, 2200+ stall.