Chevrolet Small Block 262-400 1955-2002 Adv. Duration: 287/295 Duration @ .050": 256/264 Lift: .537/.557 Lobe Separation: 105 LC Included Lifters: 651080DL Face Oiling Mech. Flat Tappet Small Base Circle. Mid to upper RPM, auto w/race conv., oval track 3/8-1/2 mile.
Chevrolet Small Block 262-400 1955-2002 Adv. Duration: 315/315 Duration @ .050": 274/274 Lift: .557/.557 Lobe Separation: 110 LC Included Lifters: 651080DL Face Oiling Mech. Flat Tappet Top end power, needs high compression & race conv.