Seller notes

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 RattlerYear: 1967 - 1990Make: OldsmobileEngine: 260-455Camshaft Type: Hydraulic Flat TappetBasic RPM Range: 2000 to 5400Valve Lift Intake: .501Valve Lift Exhaust: .480Duration Intake: 289Duration Exhaust: 297Duration at 050 Intake: 235Duration at 050 Exhaust: 243Lobe Separation: 109Intake Centerline: 103F...

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