JEGS
Hydraulic Flat Tappet Camshaft & Lifters for 1967-1990 Chevy 396-454
555-200120
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1967-1990 Chevy 396-454
Camshaft & Lifters
| Intake | Exhaust | |
| Advertised Duration | 266° | 276° |
| Duration @ .050" | 208° | 218° |
| Valve Lift w/ 1.7 Rocker Arms | 0.475 | 0.500 |
| Valve Lift @ Cam | 0.280 | 0.294 |
| Max Lift Angle | 107° | 117° |
| Lobe Separation | 112° | |
| Cam Timing @ .050" - Opens | -3° ATDC | 46° BBDC |
| Cam Timing @ .050" - Closes | 31° ABDC | -8° BTDC |
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Specifications:
Does this can profile produce a rougher loping idle?
Do I need different valve springs for push rods for this in a stock motor (original heads)
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.