Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 284/288Duration @ .050": 231/235Valve Lift w/1.70 Rockers: .578/.618Lobe Separation Angle: 112Intake Centerline: 1082400-6000 Fair idle, Performance usage. Great mid-range torque & power.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 284/288Duration @ .050": 231/235Valve Lift w/1.70 Rockers: .578/.618Lobe Separation Angle: 108Intake Centerline: 1042400-6000 Fair idle, Performance usage. Great mid-range torque & power.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 278/284Duration @ .050": 225/231Valve Lift w/1.70 Rockers: .567/.578Lobe Separation Angle: 112Intake Centerline: 1081800-5400 Fair idle, Street & mild Performance usage. Crisp throttle.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 278/284Duration @ .050": 225/231Valve Lift w/1.70 Rockers: .567/.578Lobe Separation Angle: 110Intake Centerline: 1061800-5400 Noticeable idle, Street Performance. Should have 2000+ stall, 9.5:1 CR.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 266/274Duration @ .050": 213/221Valve Lift w/1.70 Rockers: .510/.538Lobe Separation Angle: 112Intake Centerline: 1081400-4600 Good idle, Off-Road & Street Performance. 9.0:1 CR advised.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 262/266Duration @ .050": 209/213Valve Lift w/1.70 Rockers: .510/.527Lobe Separation Angle: 112Intake Centerline: 1081200-4400 Great daily usage, smooth idle, great fuel economy.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 286/298Duration @ .050": 233/245Valve Lift w/1.70 Rockers: .635/.635Lobe Separation Angle: 114Intake Centerline: 1102500-6300 Fair idle, Aggressive Street. Big mid-range torque. Good with 150+ NOS or blower.
Chevrolet BB Gen 6 454-502 1996-1999Advertised Duration: 286/298Duration @ .050": 233/245Valve Lift w/1.70 Rockers: .635/.635Lobe Separation Angle: 112 Intake Centerline: 1082500-6300 Fair idle, Aggressive Street. Big mid-range torque. 9.5:1+ CR, 2500+ stall.