Lift: .501 / .480, Duration @ .050: 235 / 243, Centerline: 103, Big Mama Rattler, Lopey idle, Street or street/strip, Needs 9.0:1+ compression & 2500+ stall converter.

Camshaft Series: Big Mama Rattler
Year: 1967 - 1990
Make: Oldsmobile
Engine: 260-455
Camshaft Type: Hydraulic Flat Tappet
Basic RPM Range: 2000 to 5400
Valve Lift Intake: .501
Valve Lift Exhaust: .480
Duration Intake: 289
Duration Exhaust: 297
Duration at 050 Intake: 235
Duration at 050 Exhaust: 243
Lobe Separation: 109
Intake Centerline: 103
Firing Order: 1-8-4-3-6-5-7-2