| Part Number | 12-993-9 | | Engine | 1955-1998 Chevrolet
262ci-400ci
8cyl. | | Grind Number | CS 300A-R6 .900 BC | | Description | |
| | Intake | Exhaust | | Valve Adjustment | 0.02 | 0.022 | | Gross Valve Lift | 0.63 | 0.63 | | Duration At 0.02 Tappet Lift | 300 | 304 |
| | Valve Timing At 0.02 | | | | Open | Close | | Intake | 44 | 76 | | Exhaust | 78 | 46 |
| | These Specs Are For The Cam Installed At 106 Intake CL | | Intake | Exhaust | | Duration At 0.05 | 264 | 266 | | Lobe Lift | 0.42 | 0.42 | | Lobe Separation | 106 |
| | Recommended Valve Springs | 954-16 |
|
Chevy 262-400 Oval Track .900 Base Circle 300AR-6 Cam MECHANICAL ROLLER-Best baseline cam for late model with 406+ engine. |
Bell housings
Air & Fuel