Camshaft, Mechanical Roller Tappet, Advertised Duration 309/323, Lift .810/.810, Chevy, Big Block, Each
- Advertised Duration
| 309 int./323 exh. | - Advertised Exhaust Duration
| 323 | - Advertised Intake Duration
| 309 | - Basic Operating RPM Range
| 4,600-7,800 | - Cam Style
| Mechanical roller tappet | - Camshaft Gear Attachment
| 3-bolt | - Camshaft Manufacturers Description
| 509-540 c.i.d. with good heads. Works well with plate-style nitrous oxide systems. | - Computer-Controlled Compatible
| No | - Duration at 050 inch Lift
| 277 int./291 exh. | - Exhaust Duration at 050 inch Lift
| 291 | - Exhaust Valve Lash
| 0.022 in. | - Exhaust Valve Lift with Factory Rocker Arm Ratio
| 0.810 in. | - Intake Duration at 050 inch Lift
| 277 | - Intake Valve Lash
| 0.022 in. | - Intake Valve Lift with Factory Rocker Arm Ratio
| 0.810 in. | - Lobe Separation (degrees)
| 112 | - Quantity
| Sold individually. | - Valve Lift with Factory Rocker Arm Ratio
| 0.810 int./0.810 exh. | - Valve Springs Required
| Yes |
|
Image is a representation of this item. Actual item may vary.
Summit Racing Part Number:
HRS-121043-12
Fitment
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Please
see the "Compatibility" link at the top of the listing.
Fitment information may not be available for all products and those without fitment will not have a Compatibility link.
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IMPORTANT - Please be sure to view the "Notes" option for more details if it is available.
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details about our Return Policy.
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