#282122684
COMP Cams 12-268-4 S/B Chevy Vacuum Rule Hydraulic Cam, 1800-5800 RPM
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COMP Cams2 Reviews
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1 Question
$203.95
each
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Product Summary
Chevy Small Block V8, 1800-5800 RPM Range, Steel
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Key Specs
MFG. Part # | 12-268-4 |
Brand | COMP Cams |
Camshaft Type | Hydraulic Flat Tappet |
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Need To Know
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Details
There are many things that effect vacuum. Camshaft lobe separation, lifter style, intake manifold, piston rings, compression ratio and overall valve and engine condition. Due to many and varied engine combinations, Speedway Motors offers no warranty on camshaft and or lifters for either performance, vacuum or longevity.
Must be used with break-in oil additive (sold separately).
Item Details
For use with Rhoads Hydraulic LiftersCharts
Vacuum Rule Cam Chart (GIF)
282-122684 Specs (PDF)
CARB Warning
For race/ off road use only
CARB Warning
For race/ off road use only
Specifications
Specifications
KEY SPECS | |
---|---|
MFG. Part # | 12-268-4 |
Brand | COMP Cams |
Camshaft Type | Hydraulic Flat Tappet |
GENERAL | |
RPM Range | 1800-5800 |
Intake Duration | 268 |
Exhaust Duration | 280 |
Intake Duration (.050" Lift) | 224 |
Exhaust Duration (.050" Lift) | 230 |
Intake Valve Lift w/ Rocker Arm Ratio | 0.479" |
Exhaust Valve Lift w/ Rocker Arm Ratio | 0.480" |
Lobe Separation | 114 ° |
Material Type | Steel |
Grind Number | CS XE268H-14 |
GTIN Code | 036584063292 |
Valve Springs Required | Yes |
Sold in Quantity | Each |