Chevrolet SB 262-400 1955-1998 Big Bottle Cams - 4/7 Swap Adv. Duration: 309/323 Duration @ .050": 277/291 Lift: .675/.675 Lobe Separation: 114 Included Lifters: No 4600-9000. Competition, 400+ cubic inch with big heads. Multi-stage system.
Chevrolet Small Block 262-400 Cam Series: 4/7 Swap Advertised Duration: 313/327 Duration @ .050": 281/295 Valve Lift w/1.50 Rockers: .730/.715 Lobe Separation Angle: 114 Intake Centerline: 110 Valve Lash: .022/.022 5600-9000. Small Base Circle, All out competition only, needs good valvetrain, works good w/NOS.
Chevrolet SB 262-400 1955-1998 Big Bottle Cams Adv. Duration: 307/317 Duration @ .050": 275/285 Lift: .630/.630 Lobe Separation: 114 Included Lifters: No 4400-8800. Small Base Circle, Competition profile, good top end power. Plate or plumbed.